Journal articles: 'Rugby union'

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Williams, JPR. "Rugby Union." Spinal Cord 40, no. 11 (November 1, 2002): 551. http://dx.doi.org/10.1038/sj.sc.3101371.

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Nolte, Rochelle. "Rugby Union." Medicine & Science in Sports & Exercise 38, Supplement (May 2006): 52. http://dx.doi.org/10.1249/00005768-200605001-00386.

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Marshall, Stephen. "Rugby Union." Clinical Journal of Sport Medicine 23, no. 4 (July 2013): 324–25. http://dx.doi.org/10.1097/01.jsm.0000432185.95333.70.

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Williams, JPR. "Erratum: Rugby Union." Spinal Cord 40, no. 12 (December 2002): 669. http://dx.doi.org/10.1038/sj.sc.3101431.

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Farah, Ghassan J., Brendon C. Mitchell, Matthew R. Schmitz, James D. Bomar, and Eric Edmonds. "Injury Patterns in Rugby Union—America’s Fastest Growing Sport." Journal of the Pediatric Orthopaedic Society of North America 4, no. 1 (January 29, 2022): 1–13. http://dx.doi.org/10.55275/jposna-2022-0019.

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Rugby union is the fastest growing sport in the USA, and its growth is only expected to continue to climb with the approaching 2023 Rugby World Cup. Rugby union carries risk for general and sport-specific injury. Tackles and high-impact collisions are a regular component of the game, and although often compared to American football, rugby union carries a unique pattern of injuries, with certain injuries occurring at a significantly higher rate. This review is aimed at familiarizing our orthopaedic workforce to the sport of rugby union and the evaluation, diagnosis, and treatment of the rugby union athlete. Injury prevention strategies guided by epidemiology, risk factors, and mechanisms of injury in rugby union athletes are critical.

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Brown, Scott R., Matt Brughelli, Peter C. Griffiths, and John B. Cronin. "Lower-Extremity Isokinetic Strength Profiling in Professional Rugby League and Rugby Union." International Journal of Sports Physiology and Performance 9, no. 2 (March 2014): 358–61. http://dx.doi.org/10.1123/ijspp.2013-0129.

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Purpose:While several studies have documented isokinetic knee strength in junior and senior rugby league players, investigations of isokinetic knee and hip strength in professional rugby union players are limited. The purpose of this study was to provide lower-extremity strength profiles and compare isokinetic knee and hip strength of professional rugby league and rugby union players.Participants:32 professional rugby league and 25 professional rugby union players.Methods:Cross-sectional analysis. Isokinetic dynamometry was used to evaluate peak torque and strength ratios of the dominant and nondominant legs during seated knee-extension/flexion and supine hip-extension/flexion actions at 60°/s.Results:Forwards from both codes were taller and heavier and had a higher body-mass index than the backs of each code. Rugby union forwards produced significantly (P < .05) greater peak torque during knee flexion in the dominant and nondominant legs (ES = 1.81 and 2.02) compared with rugby league forwards. Rugby league backs produced significantly greater hip-extension peak torque in the dominant and nondominant legs (ES = 0.83 and 0.77) compared with rugby union backs. There were no significant differences in hamstring-to-quadriceps ratios between code, position, or leg. Rugby union forwards and backs produced significantly greater knee-flexion-to-hip-extension ratios in the dominant and nondominant legs (ES = 1.49–2.26) than rugby union players.Conclusions:It seems that the joint torque profiles of players from rugby league and union codes differ, which may be attributed to the different demands of each code.

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Hendricks, Sharief, Kevin Till, Dan Weaving, Alun Powell, Simon Kemp, Keith Stokes, and Ben Jones. "Training, match and non-rugby activities in elite male youth rugby union players in England." International Journal of Sports Science & Coaching 14, no. 3 (February 13, 2019): 336–43. http://dx.doi.org/10.1177/1747954119829289.

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Rugby union is a late specialisation sport. As a consequence, youth players may still be engaged in other activities and sports throughout the year as they transition to rugby specialisation. Limited research exists quantifying rugby union training and matches as well as engagement in other activities and sports. Therefore, the aim of this study was to quantify and compare rugby union training, matches and other activities of elite youth U15 and U16 rugby union players at different stages of the season. Four-hundred and ninety-two youth (Under-15 and 16-year-old) rugby union players self-reported the frequency, intensity and duration of their participation in rugby union matches, rugby union training, gym, physical education and other sports during three different stages – September to December (Sept–Dec), January to April (Jan–Apr), May to August (May–Aug) – of the year. When all activities were combined, the frequency and volume of rugby matches and training was the greatest during the Sept–Dec stage. The frequency and volume of participating in other sports increased in the May–Aug stage of the season. Gym training frequency, intensity, and duration were stable across the year for both U15 and U16 players. Coaches and practitioners working with elite youth rugby union players should be aware that players are still participating in other activities outside of rugby training and competition. Coaches and practitioners should put structures in place to plan and monitor players' activities in order to optimise the positive outcomes of specialisation (e.g., expertise) while reducing the potential negative outcomes (e.g., injury, burnout).

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Baldwin, Christopher F., and Roger Vallance. "Women Referees’ Experiences Officiating Rugby Union." Women in Sport and Physical Activity Journal 24, no. 2 (October 2016): 152–61. http://dx.doi.org/10.1123/wspaj.2015-0036.

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Five women rugby union referees who officiated in the New South Wales (NSW) suburban rugby union premiership were interviewed about their experiences refereeing men. After a comprehensive analysis of the interview transcripts, four themes emerged around barriers and challenges to women’s participation in officiating, these themes are: 1) Barriers experienced by women rugby union referees; 2) Success in refereeing male rugby union players; 3) Challenges of women participating in refereeing rugby union; 4) Ways to bring about change. The findings imply that there is discrimination and marginalization present in women’s sports officiating at male games which is in line with the literature in women’s sports coaching. The findings also suggest that women have to be superior and elite athletes with a history of success to be appointed to the best male rugby union matches. Support both on and off the field is crucial to the development and success of female referees.

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Cross, Matt R., Matt Brughelli, Scott R. Brown, Pierre Samozino, Nicholas D. Gill, John B. Cronin, and Jean-Benoît Morin. "Mechanical Properties of Sprinting in Elite Rugby Union and Rugby League." International Journal of Sports Physiology and Performance 10, no. 6 (September 2015): 695–702. http://dx.doi.org/10.1123/ijspp.2014-0151.

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Purpose: To compare mechanical properties of overground sprint running in elite rugby union and rugby league athletes. Methods: Thirty elite rugby code (15 rugby union and 15 rugby league) athletes participated in this cross-sectional analysis. Radar was used to measure maximal overground sprint performance over 20 or 30 m (forwards and backs, respectively). In addition to time at 2, 5, 10, 20, and 30 m, velocity-time signals were analyzed to derive external horizontal force–velocity relationships with a recently validated method. From this relationship, the maximal theoretical velocity, external relative and absolute horizontal force, horizontal power, and optimal horizontal force for peak power production were determined. Results: While differences in maximal velocity were unclear between codes, rugby union backs produced moderately faster split times, with the most substantial differences occurring at 2 and 5 m (ES 0.95 and 0.86, respectively). In addition, rugby union backs produced moderately larger relative horizontal force, optimal force, and peak power capabilities than rugby league backs (ES 0.73−0.77). Rugby union forwards had a higher absolute force (ES 0.77) despite having ~12% more body weight than rugby league forwards. Conclusions: In this elite sample, rugby union athletes typically displayed greater short-distance sprint performance, which may be linked to an ability to generate high levels of horizontal force and power. The acceleration characteristics presented in this study could be a result of the individual movement and positional demands of each code.

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Posthumus, M. "The state of women’s rugby union in South Africa: Recommendations for long-term participant development." South African Journal of Sports Medicine 25, no. 1 (April 29, 2013): 28. http://dx.doi.org/10.17159/2413-3108/2013/v25i1a389.

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Several international rugby unions, including the South African Rugby Union, have adopted the long-term athlete development (LTAD) model, which is based on physiological principles that categorise players into specific stages of development. The original model proposes different age categories for boys and girls within each specific stage of development. This review: (i) discusses the current state of junior female rugby in South Africa; (ii) discusses the evidence for gender-specific differences in the LTAD model; and (iii) recommends a future strategy for LTAD within female rugby in South Africa, considering the current approaches of other international unions.

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Posthumus, M. "The state of women’s rugby union in South Africa: Recommendations for long-term participant development." South African Journal of Sports Medicine 25, no. 1 (March 15, 2013): 28. http://dx.doi.org/10.17159/2078-516x/2013/v25i1a389.

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Several international rugby unions, including the South African Rugby Union, have adopted the long-term athlete development (LTAD) model, which is based on physiological principles that categorise players into specific stages of development. The original model proposes different age categories for boys and girls within each specific stage of development. This review: (i) discusses the current state of junior female rugby in South Africa; (ii) discusses the evidence for gender-specific differences in the LTAD model; and (iii) recommends a future strategy for LTAD within female rugby in South Africa, considering the current approaches of other international unions.

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Mellalieu, Stephen, Grant Trewartha, and Keith Stokes. "Science and rugby union." Journal of Sports Sciences 26, no. 8 (June 2008): 791–94. http://dx.doi.org/10.1080/02640410701819099.

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Dabscheck, Braham. "Rugby League and the Union Game." Journal of Industrial Relations 35, no. 2 (June 1993): 242–73. http://dx.doi.org/10.1177/002218569303500203.

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The Association of Rugby League Professionals came to prominence when it achieved a legal victory which thwarted an attempt by the New South Wales Rugby League to introduce an internal draft, a labour market arrangement which reduced the employment and economic freedom of rugby league players. This article provides a history of the association from its origins in the late 1970s through to the draft case and more recent developments. The article presents information on player associations overseas and in Australia, and examines the origins, structure and organization, and various activities of the association. In so doing it provides information on the various labour market rules which have been used in rugby league, and examines the legal, economic and industrial relations dimensions of not only rugby league, but also other professional sporting competitions in Australia and overseas.1

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Coetzee, Derik, Christine Wall, Marizaan De Bruin, Mark Nicholls, Annemarie Vermeulen, Louis Lagrange, and Maralé Hoft. "Return to play and performance guidelines in rugby union." South African Journal for Research in Sport, Physical Education and Recreation 45, no. 1 (June 14, 2023): 39–61. http://dx.doi.org/10.36386/sajrsper.v45i1.212.

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Models and guidelines on factors associated with the safe return to play (RTP) of an injured athlete have been established, but very limited research has been conducted on components necessary for returning an athlete to their previous level of performance, known as return to performance (RTPerf). The study aimed to establish guidelines applicable to RTP and RTPerf in rugby union. A mixed-methods study design using an e-Delphi survey was conducted to obtain the opinions of medical team members of the Currie Cup rugby unions across South Africa on RTP (Part 1 of the study). In Part 2, medical team members and coaches of the Free State Rugby Union were consulted for RTPerf guidelines. Part 1 of the study comprised a three-step decision-based RTP model used to identify RTP components in rugby. The e-Delphi questionnaire was compiled based on literature analyses and vast experience of the authors. Part 1 involved three steps of integrated guidelines for RTP decision-making in rugby union established by agreement (>80%) (first or second round): Step 1: medical history; Step 2: evaluation of participation risk; and Step 3: decision modifiers. Part 2 focused on components to consider during the RTPerf decision-making process, including psychological readiness, limb symmetry index, acute:chronic training load, external load and internal load. Twelve key performance indicators (KPIs) to measure RTPerf in rugby reached consensus (>80%). The comparison of performance profiles and current KPIs of a rugby player could be used to evaluate the player's performance level and whether they truly achieved RTPerf.

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Brown, Natalie, Geneviève K. R. Williams, Anna Stodter, Melitta A. McNarry, Olga Roldan-Reoyo, Kelly A. Mackintosh, Isabel S. Moore, and Elisabeth M. P. Williams. "A Global Women’s Rugby Union Web-Based Survey." International Journal of Environmental Research and Public Health 20, no. 8 (April 12, 2023): 5475. http://dx.doi.org/10.3390/ijerph20085475.

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Rugby Union (rugby) is a full-contact team sport characterised by frequent collision events. Over one third (2.7 million) of global rugby participants are women and girls. Yet, most rugby research, laws, and regulations are derived from the men’s game with limited transferability to the women’s game. This includes research focused on injury and concussion management. Greater insights are urgently required to enable appropriate adaptations and support for all rugby participants. Therefore, this paper presents the protocol for a project that sought to gather insights into the understanding, experiences, and attitudes of players and coaches in women’s rugby regarding key issues of concussion, injury, and training for injury prevention, as well as the implications of the menstrual cycle for training and performance. From August 2020 to November 2020, online, open, cross-sectional surveys for players and coaches were distributed globally through rugby governing bodies and women’s rugby social media platforms using snowball sampling. Survey responses were recorded anonymously via a GDPR-compliant online survey platform, JISC (jisc.ac.uk, Bristol, England). Participant eligibility included being ≥18 years and either actively playing or coaching women’s rugby 15s and/or sevens, or having done so in the past decade, at any level, in any country. To enhance the number and accuracy of responses, the survey was professionally translated into eight additional languages. A total of 1596 participants from 62 countries (27 ± 6 years; 7.5 ± 5.1 years of playing experience) and 296 participants from 37 countries (mean age = 36.64, SD = 9.09, mean experience = 6.53 years, SD = 3.31) completed the players’ and coaches’ surveys, respectively. Understanding women’s participation in and experiences of rugby is important to enable lifelong engagement and enjoyment of the sport and health during and following participation.

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Antrobus, Mark R., Jon Brazier, Peter C. Callus, Adam J. Herbert, Georgina K. Stebbings, Praval Khanal, Stephen H. Day, et al. "Concussion-Associated Polygenic Profiles of Elite Male Rugby Athletes." Genes 13, no. 5 (May 4, 2022): 820. http://dx.doi.org/10.3390/genes13050820.

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Due to the high-velocity collision-based nature of elite rugby league and union, the risk of sustaining a concussion is high. Occurrence of and outcomes following a concussion are probably affected by the interaction of multiple genes in a polygenic manner. This study investigated whether suspected concussion-associated polygenic profiles of elite rugby athletes differed from non-athletes and between rugby union forwards and backs. We hypothesised that a total genotype score (TGS) using eight concussion-associated polymorphisms would be higher in elite rugby athletes than non-athletes, indicating selection for protection against incurring or suffering prolonged effects of, concussion in the relatively high-risk environment of competitive rugby. In addition, multifactor dimensionality reduction was used to identify genetic interactions. Contrary to our hypothesis, TGS did not differ between elite rugby athletes and non-athletes (p ≥ 0.065), nor between rugby union forwards and backs (p = 0.668). Accordingly, the TGS could not discriminate between elite rugby athletes and non-athletes (AUC ~0.5), suggesting that, for the eight polymorphisms investigated, elite rugby athletes do not have a more ‘preferable’ concussion-associated polygenic profile than non-athletes. However, the COMT (rs4680) and MAPT (rs10445337) GC allele combination was more common in rugby athletes (31.7%; p < 0.001) and rugby union athletes (31.8%; p < 0.001) than non-athletes (24.5%). Our results thus suggest a genetic interaction between COMT (rs4680) and MAPT (rs10445337) assists rugby athletes in achieving elite status. These findings need exploration vis-à-vis sport-related concussion injury data and could have implications for the management of inter-individual differences in concussion risk.

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Milenković, Slaviša. "The Beginning of Rugby Union in Serbia." Physical Education and Sport Through the Centuries 6, no. 2 (December 1, 2019): 75–94. http://dx.doi.org/10.2478/spes-2019-0014.

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Summary The first direct contact with rugby was made by young men from Serbia during the First World War, after retreating through Albania, watching matches of French and English soldiers. During 1916, some 3,500 Serbian boys were sent to France and the United Kingdom to study. During their education at lyceums, colleges and universities, they were given the opportunity to play various sports, including rugby union. In keeping with their interest and quality, the Serbian boys quickly became involved in the school teams. Most Serbian boys actively participated in playing rugby in three Scottish cities - Edinburgh, Glasgow and Dundee. Their interest in the sport was so much that in Edinburgh and Glasgow they formed special teams made up only of Serbs who played matches with other school teams. The highlight of dealing with Serb rugby in Scotland was the performance by the boys of the George Heriot School at the Rugby 7 tournament on March 9, 1918 in Edinburgh and a victory over the British Colonies selection. This performance can be considered the first appearance of a sports team under the name of Serbia on the international stage. After the end of World War I and the return to the homeland, some of the young men who became acquainted with rugby in France and the United Kingdom actively participated in academic and sports life in their homeland and the result was the establishment of two rugby clubs, in Sabac and Belgrade.

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Shill, Isla J., Stephen W. West, James Brown, Fiona Wilson, Debbie Palmer, Ian Pike, Sharief Hendricks, Keith A. Stokes, Brent E. Hagel, and Carolyn A. Emery. "How to harness and improve on video analysis for youth rugby player safety: a narrative review." BMJ Open Sport & Exercise Medicine 9, no. 3 (September 2023): e001645. http://dx.doi.org/10.1136/bmjsem-2023-001645.

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Video analysis is a useful tool for injury surveillance in rugby union. There are few video analysis studies in the professional female game, with most studies published in the male elite/professional settings. Moreover, there is a sparsity of literature in youth rugby settings. The following narrative review outlines the strengths and limitations of the current video analysis literature for injury surveillance in youth rugby union, highlights the importance of video analysis for youth rugby player safety and welfare, and discusses recommendations for using video analysis to inform player safety in youth rugby.

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Vaz, Luís, Tomaz Morais, Henrique Rocha, and Nic James. "Fitness Profiles of Elite Portuguese Rugby Union Players." Journal of Human Kinetics 41, no. 1 (July 8, 2014): 235–44. http://dx.doi.org/10.2478/hukin-2014-0051.

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AbstractThe aim of this study was to describe the fitness profiles of senior elite Portuguese rugby players. Forty-six senior Portuguese rugby players, classified as backs (n=22; age 26.2±2.8) and forwards (n=24; age 26.7±2.9) were assessed during physical testing sessions carried out for the Portuguese National rugby team. The body composition, maximum strength and anaerobic capacity of players are hypothesized to be important physical characteristics as successful performance in rugby is predicated on the ability to undertake skilled behaviours both quickly and whilst withstanding large forces when in contact situations. No absolute differences were found between the backs and forwards for the speed performance variables although positional differences were found across all speeds when assessed relative to body mass since the forwards were significantly heavier. Coaches and the management team can use this information for monitoring progressive improvements in the physiological capacities of rugby players. These physical characteristics of elite rugby players provide normative profiles for specific positions and should form the basis of developmental programmes for adolescents.

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Sellars, Paul A., Stephen D. Mellalieu, and Camilla J. Knight. "Continued Participation of Adolescent Males in Rugby Union: Stakeholders’ Perspectives." Sport Psychologist 32, no. 2 (June 1, 2018): 93–101. http://dx.doi.org/10.1123/tsp.2017-0014.

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This study explored stakeholders’ perceptions of Welsh adolescent participation in rugby union. A Straussian grounded-theory approach was adopted and data collection was conducted via semistructured interviews with 15 individuals involved in Welsh adolescent rugby union. Data were analyzed through open and axial coding procedures and theoretical integration. Stakeholders perceived that continued rugby participation resulted from a positive evaluation of one’s participation in the sport and one’s ability to cope with the demands experienced throughout transitions during adolescence. Overall, the findings provide a substantive grounded theory of stakeholders’ perceptions of continued adolescent participation in Welsh rugby union, and applied implications, in an aim to promote continued sport participation.

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Gordon, Greg, Heather Morris-Eyton, and Alliance Kubayi. "Match loads of university rugby union players between the 2016 and 2018 Varsity Cup competitions." South African Journal of Sports Medicine 32, no. 1 (July 27, 2020): 1–4. http://dx.doi.org/10.17159/2078-516x/2020/v32i1a7949.

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Background: Rugby union is a popular and continuously growing sport globally. With the advance of technology, practices have been implemented to quantify the match running demands of rugby union players. The aim of this study was to analyse the match loads of rugby union players between the 2016 and 2018 Varsity Cup competitions. Methods: The sample consisted of 562 match observations of male university rugby union players competing in the Varsity Cup tournaments. Results: The backline players ran significantly longer total distances (5105 m; p = 0.001; ES = 0.49); have greater high- speed running (496 m; p = 0.001; ES = 1.03), very high-speed running (260 m; p = 0.001; ES = 1.50) and sprint distances (117 m; p = 0.001; ES = 1.32) than forward players. Backline players also accumulated a high number of metres per minute (238 ± 94; p = 0.001; ES = 0.46), total Player Load (488 ± 203; p = 0.001; ES = 0.31), RHIE (9 ± 8; p = 0.001; ES = 0.75) and number of accelerations (4 ± 5; p = 0.001; ES = 0.49). Conclusion: These findings may assist coaches to develop player position specific training programmes to meet the physical demands of rugby. Keywords: rugby union, match loads, physical demands, position

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O’Beirne, Rónán. "Planet Rugby: An Interactive Information Service for Rugby Union Football200213Planet‐Rugby.com. Planet Rugby: An Interactive Information Service for Rugby Union Football. Gratis." Online Information Review 26, no. 4 (August 2002): 285–86. http://dx.doi.org/10.1108/oir.2002.26.4.285.13.

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King, Doug, Patria A. Hume, Natalie Hardaker, Cloe Cummins, Conor Gissane, and Trevor Clark. "Sports-related injuries in New Zealand: National Insurance (Accident Compensation Corporation) claims for five sporting codes from 2012 to 2016." British Journal of Sports Medicine 53, no. 16 (March 12, 2018): 1026–33. http://dx.doi.org/10.1136/bjsports-2017-098533.

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ObjectivesTo provide epidemiological data and related costs for sport-related injuries of five sporting codes (cricket, netball, rugby league, rugby union and football) in New Zealand for moderate-to-serious and serious injury claims.MethodsA retrospective analytical review using detailed descriptive epidemiological data obtained from the Accident Compensation Corporation (ACC) for 2012–2016.ResultsOver the 5 years of study data, rugby union recorded the most moderate-to-serious injury entitlement claims (25 226) and costs (New Zealand dollars (NZD$)267 359 440 (£139 084 749)) resulting in the highest mean cost (NZD$10 484 (£5454)) per moderate-to-serious injury entitlement claim. Rugby union recorded more serious injury entitlement claims (n=454) than cricket (t(4)=−66.6; P<0.0001); netball (t(4)=−45.1; P<0.0001); rugby league (t(4)=−61.4; P<0.0001) and football (t(4)=66.6; P<0.0001) for 2012–2016. There was a twofold increase in the number of female moderate-to-serious injury entitlement claims for football (RR 2.6 (95%CI 2.2 to 2.9); P<0.0001) compared with cricket, and a threefold increase when compared with rugby union (risk ratio (RR) 3.1 (95%CI 2.9 to 3.3); P<0.0001). Moderate-to-serious concussion claims increased between 2012 and 2016 for netball (RR 3.7 (95%CI 1.9 to 7.1); P<0.0001), rugby union (RR 2.0 (95% CI 1.6 to 2.4); P<0.0001) and football (RR 2.3 (95%CI 1.6 to 3.2); P<0.0001). Nearly a quarter of moderate-to-serious entitlement claims (23%) and costs (24%) were to participants aged 35 years or older.ConclusionsRugby union and rugby league have the highest total number and costs associated with injury. Accurate sport exposure data are needed to enable injury risk calculations.

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Milburn, Peter D. "Biomechanics of Rugby Union Scrummaging." Sports Medicine 16, no. 3 (September 1993): 168–79. http://dx.doi.org/10.2165/00007256-199316030-00002.

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Wilson, Barry D. "Protective Headgear in Rugby Union." Sports Medicine 25, no. 5 (1998): 333–37. http://dx.doi.org/10.2165/00007256-199825050-00005.

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Fuller, Colin W. "Catastrophic Injury in Rugby Union." Sports Medicine 38, no. 12 (2008): 975–86. http://dx.doi.org/10.2165/00007256-200838120-00002.

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Passos, Pedro, Rita Cordovil, Orlando Fernandes, and João Barreiros. "Perceiving affordances in rugby union." Journal of Sports Sciences 30, no. 11 (July 2012): 1175–82. http://dx.doi.org/10.1080/02640414.2012.695082.

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Targett, Stephen G. R. "Injuries in Professional Rugby Union." Clinical Journal of Sport Medicine 8, no. 4 (October 1998): 280–85. http://dx.doi.org/10.1097/00042752-199810000-00005.

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Hughes, Mike, Michael David Hughes, Jason Williams, Nic James, Goran Vuckovic, and Duncan Locke. "Performance indicators in rugby union." Journal of Human Sport and Exercise 7, no. 2 (2012): 383–401. http://dx.doi.org/10.4100/jhse.2012.72.05.

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Lokteff, Florent, Remy Canet, Saad Drissi, and Pierre Moretto. "Impacts characterisation in Rugby Union." Computer Methods in Biomechanics and Biomedical Engineering 23, sup1 (October 19, 2020): S175—S177. http://dx.doi.org/10.1080/10255842.2020.1813425.

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Hendricks, Sharief, Brad Roode, Bevan Matthews, and Michael Lambert. "Defensive Strategies in Rugby Union." Perceptual and Motor Skills 117, no. 1 (August 2013): 65–87. http://dx.doi.org/10.2466/30.25.pms.117x17z6.

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Heffernan, S. M., L. P. Kilduff, R. M. Erskine, S. H. Day, J. S. McPhee, G. E. McMahon, G. K. Stebbings, et al. "Association of ACTN3 R577X but not ACE I/D gene variants with elite rugby union player status and playing position." Physiological Genomics 48, no. 3 (March 2016): 196–201. http://dx.doi.org/10.1152/physiolgenomics.00107.2015.

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We aimed to quantify the ACE I/D and ACTN3 R577X (rs1815739) genetic variants in elite rugby athletes (rugby union and league) and compare genotype frequencies to controls and between playing positions. The rugby athlete cohort consisted of 507 Caucasian men, including 431 rugby union athletes that for some analyses were divided into backs and forwards and into specific positional groups: front five, back row, half backs, centers, and back three. Controls were 710 Caucasian men and women. Real-time PCR of genomic DNA was used to determine genotypes using TaqMan probes and groups were compared using χ2 and odds ratio (OR) statistics. Correction of P values for multiple comparisons was according to Benjamini-Hochberg. There was no difference in ACE I/D genotype between groups. ACTN3 XX genotype tended to be underrepresented in rugby union backs (15.7%) compared with forwards (24.8%, P = 0.06). Interestingly, the 69 back three players (wings and full backs) in rugby union included only six XX genotype individuals (8.7%), with the R allele more common in the back three (68.8%) than controls (58.0%; χ2 = 6.672, P = 0.04; OR = 1.60) and forwards (47.5%; χ2 = 11.768, P = 0.01; OR = 2.00). Association of ACTN3 R577X with playing position in elite rugby union athletes suggests inherited fatigue resistance is more prevalent in forwards, while inherited sprint ability is more prevalent in backs, especially wings and full backs. These results also demonstrate the advantage of focusing genetic studies on a large cohort within a single sport, especially when intrasport positional differences exist, instead of combining several sports with varied demands and athlete characteristics.

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Sankey, R. Andrew, John H. M. Brooks, Simon P. T. Kemp, and Fares S. Haddad. "The Epidemiology of Ankle Injuries in Professional Rugby Union Players." American Journal of Sports Medicine 36, no. 12 (September 8, 2008): 2415–24. http://dx.doi.org/10.1177/0363546508322889.

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Background Ankle injuries represent a considerable proportion of injuries to professional rugby union players; however, there is a scarcity of detailed epidemiology about these injuries. Purpose To describe the epidemiology and assess the risk factors associated with ankle injuries sustained by a cohort of professional rugby union players. Study Design Descriptive epidemiology study. Method Medical personnel prospectively reported time-loss injuries in professional rugby union in England, and the ankle injuries were evaluated. Results Lateral ankle ligament injuries were the most common injury reported during matches and training, and together with Achilles tendon injuries, they accounted for more than half of the absence due to injury. The incidence rate of injuries was highest in second-row forwards. More than a quarter of injuries were recurrences. Conclusion Lateral ankle ligament injuries and Achilles tendon injuries should be a focus of injury prevention, treatment, and rehabilitation strategies in professional rugby union players.

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Reiche, Danyel. "National Representation without Citizenship: the Special Case of Rugby." Politics in Central Europe 17, no. 3 (September 1, 2021): 501–23. http://dx.doi.org/10.2478/pce-2021-0021.

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Abstract This article is a case study of one of the few sports, rugby, that does not link national representation exclusively to citizenship. It discusses who may represent a country in major events and under which conditions. It analyses the consequences of the rules on different stakeholders; and discusses why the residency rule in particular is subject to much controversy. The author has conducted case studies of the 2019 rugby union and 2017 rugby league men’s World Cups. Academic literature, international news-papers, and rugby-specific websites were reviewed. Other than secondary sources, the researcher also collected primary data through interviews. The interviewees included representatives of Rugby League International Federation and World Rugby. This research reveals that national representation without citizenship is widespread in both codes of rugby. It has also shown that the effects of the eligibility criteria go beyond simplistic rich/poor and center/periphery models. This article argues that the rational for the eligibility criteria is the limited global spread of rugby league and rugby union. Without those lenient rules it would be difficult to organize international competitions.

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Reha, Tahere, Colm McNabb, Kevin Netto, Paul Davey, and Andrew P. Lavender. "Head Accelerations during a 1-on-1 Rugby Tackling Drill Performed by Experienced Rugby Union Players." Brain Sciences 11, no. 11 (November 12, 2021): 1497. http://dx.doi.org/10.3390/brainsci11111497.

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Rugby Union is a popular sport played by males and females worldwide, from junior to elite levels. The highly physical skill of tackling occurs every few seconds throughout a match and various injuries associated with tackling are relatively common. Of particular interest are head injuries that result in a concussion. Recently, repeated non-injurious head impacts in sport have attracted the attention of researchers interested in brain health. Therefore, this study assessed head movement during repeated rugby tackle drills among experienced Rugby Union players. Experienced male and female participants performed 15 1-on-1 tackles in a motion analysis laboratory to measure the head movements of the ball carrier and tackler during each tackle, using three-dimensional motion capture. The average peak acceleration of the head for ball carriers was 28.9 ± 24.08 g and 36.67 ± 28.91 g for the tacklers. This study found that the type of head impacts common while performing a tackle in Rugby Union are similar to those experienced by soccer players during heading, which has been found to alter brain function that lasts hours after the event. This has important implications for player health and suggests that mitigation strategies should be considered for Rugby Union.

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Haggie, Maryanne. "The Judicial Disciplinary Procedures of the New Zealand Rugby Football Union." Victoria University of Wellington Law Review 29, no. 2 (April 1, 1999): 317. http://dx.doi.org/10.26686/vuwlr.v29i2.6036.

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This article examines the model established by the New Zealand Rugby Football Union Inc (NZRFU) to deal with acts of violence on the rugby field. The interface between sport and the law becomes relevant when society perceives sportsfield violence as going beyond acceptable boundaries. Identifying where these boundaries lie is problematic given the traditional reluctance of both sports administrators and the courts to invoke criminal sanctions for violence in sport. Part II examines violence in rugby, the limits to the consent defence, New Zealand case law on rugby violence and the likelihood of increased court action. It looks at the debate surrounding the appropriateness of internal disciplinary tribunals for sportsfield violence, and explores the criteria sports organisations must meet to avoid criminal prosecution of their players or judicial review of their internal disciplinary decisions. Part III outlines the establishment of NZRFU procedures to deal with violence in rugby and how they operate at local, national and international levels. In Part IV, the main features of the NZRFU's judicial disciplinary procedures are reviewed. It concludes that the NZRFU has created an effective and fair set of disciplinary rules to deal with violence in rugby, which has been extended to international competitions. However, there are some problems in its application. It will be suggested that changes could be made to the NZRFU's internal disciplinary procedures to improve consistency and independence and ultimately demonstrate to the rugby community, the courts and the public that violence in rugby is decreasing.

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Viviers, Pierre L., Jeandré T. Viljoen, and Wayne Derman. "A Review of a Decade of Rugby Union Injury Epidemiology: 2007-2017." Sports Health: A Multidisciplinary Approach 10, no. 3 (February 14, 2018): 223–27. http://dx.doi.org/10.1177/1941738118757178.

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Context: Rugby union is the most widely played team collision sport globally. As with other contact sports, there is substantial risk of injury. To date, the majority of studies on injury epidemiology have focused on elite male cohorts, which inherently prevents extrapolation of research findings to other groups within the player continuum. This review aims to describe emerging injury trends across the spectrum of various rugby union subpopulations and to highlight gaps that may influence future injury prevention tactics. Evidence Acquisition: Relevant articles published from 2007 to 2017 were obtained by searching MEDLINE, PubMed, and SPORT Discus. Studies on 15-a-side rugby union, implemented according to the 2007 consensus statement on injury definitions and data collection procedures for injuries in rugby union, were used. Study Design: Clinical review. Level of Evidence: Level 3. Results: Match injuries occur more frequently than training injuries. Injury rates increase consistently according to age and level of play. Severity of injury often is greater among lower levels of the game, and sex-specific differences relating to injury patterns and incidence rates exist. Conclusion: To date, a paucity of injury surveillance data exists for women and players of both sexes at all levels of community rugby union. Furthermore, the incidence of injuries and illnesses are poorly reported in epidemiological studies. Despite methodological differences, injury trends remain consistent throughout all levels of play.

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Viviers, Pierre L., Lovemore Kunorozva, and Elton Wayne Derman. "Rugby Union Concussions-recognize And Rugby Union Concussions-recognise Andremove:do We Over-call Suspected Concussions?" Medicine & Science in Sports & Exercise 52, no. 7S (July 2020): 309. http://dx.doi.org/10.1249/01.mss.0000676964.03269.13.

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Hendricks, Sharief, Kevin Till, Steve den Hollander, Trevor N. Savage, Simon P. Roberts, Gregory Tierney, Nicholas Burger, et al. "Consensus on a video analysis framework of descriptors and definitions by the Rugby Union Video Analysis Consensus group." British Journal of Sports Medicine 54, no. 10 (February 20, 2020): 566–72. http://dx.doi.org/10.1136/bjsports-2019-101293.

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Using an expert consensus-based approach, a rugby union Video Analysis Consensus (RUVAC) group was formed to develop a framework for video analysis research in rugby union. The aim of the framework is to improve the consistency of video analysis work in rugby union and help enhance the overall quality of future research in the sport. To reach consensus, a systematic review and Delphi method study design was used. After a systematic search of the literature, 17 articles were used to develop the final framework that described and defined key actions and events in rugby union (rugby). Thereafter, a group of researchers and practitioners with experience and expertise in rugby video analysis formed the RUVAC group. Each member of the group examined the framework of descriptors and definitions and rated their level of agreement on a 5-point agreement Likert scale (1: strongly disagree; 2: disagree; 3: neither agree or disagree; 4: agree; 5: strongly agree). The mean rating of agreement on the five-point scale (1: strongly disagree; 5: strongly agree) was 4.6 (4.3–4.9), 4.6 (4.4–4.9), 4.7 (4.5–4.9), 4.8 (4.6–5.0) and 4.8 (4.6–5.0) for the tackle, ruck, scrum, line-out and maul, respectively. The RUVAC group recommends using this consensus as the starting framework when conducting rugby video analysis research. Which variables to use (if not all) depends on the objectives of the study. Furthermore, the intention of this consensus is to help integrate video data with other data (eg, injury surveillance).

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Posthumus, Logan, Matthew Driller, Paul Winwood, and Nicholas Gill. "The Development of a Resting Metabolic Rate Prediction Equation for Professional Male Rugby Union Players." Nutrients 16, no. 2 (January 16, 2024): 271. http://dx.doi.org/10.3390/nu16020271.

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Determining resting metabolic rate (RMR) is an important aspect when calculating energy requirements for professional rugby union players. Prediction equations are often used for convenience to estimate RMR. However, the accuracy of current prediction equations for professional rugby union players remains unclear. The aims of this study were to examine the RMR of professional male rugby union players compared to nine commonly used prediction equations and develop and validate RMR prediction equations specific to professional male rugby union players. One hundred and eight players (body mass (BM) = 102.9 ± 13.3 kg; fat-free mass (FFM) = 84.8 ± 10.2 kg) undertook Dual-energy X-ray Absorptiometry scans to assess body composition and indirect calorimetry to determine RMR. Mean RMR values of 2585 ± 176 kcal∙day−1 were observed among the group with forwards (2706 ± 94 kcal·day−1), demonstrating significantly (p < 0.01; d = 1.93) higher RMR compared to backs (2465 ± 156 kcal·day−1), which appeared to be due to their higher BM and FFM measures. Compared to the measured RMR for the group, seven of the nine commonly used prediction equations significantly (p < 0.05) under-estimated RMR (−104–346 kcal·day−1), and one equation significantly (p < 0.01) over-estimated RMR (192 kcal·day−1). This led to the development of a new prediction equation using stepwise linear regression, which determined that the strongest predictor of RMR for this group was FFM alone (R2 = 0.70; SEE = 96.65), followed by BM alone (R2 = 0.65; SEE = 104.97). Measuring RMR within a group of professional male rugby union players is important, as current prediction equations may under- or over-estimate RMR. If direct measures of RMR cannot be obtained, we propose the newly developed prediction equations be used to estimate RMR within professional male rugby union players. Otherwise, developing team- and/or group-specific prediction equations is encouraged.

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Nolan, David, Orlaith Curran, Aidan J. Brady, and Brendan Egan. "Physical Match Demands of International Women’s Rugby Union: A Three-Year Longitudinal Analysis of a Team Competing in The Women’s Six Nations Championship." Journal of Functional Morphology and Kinesiology 8, no. 1 (March 2, 2023): 32. http://dx.doi.org/10.3390/jfmk8010032.

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There is a paucity of studies describing the physical match demands of elite international women’s rugby union, which limits coaches’ ability to effectively prepare players for the physical demands required to compete at the elite level. Global positioning system technologies were used to measure the physical match demands of 53 international female rugby union players during three consecutive Women’s Six Nations Championships (2020–2022), resulting in 260 individual match performances. Mixed-linear modelling was used to investigate differences in physical match demands between positions. Significant effects (p < 0.05) of the position were observed for all variables, with the exception of relative distances (m.min−1) at velocities of 1.01–3.00 m·s−1 (p = 0.094) and 3.01–5.00 m·s−1 (p = 0.216). This study provides valuable data on the physical match demands of elite international women’s rugby union match play that may aid practitioners in the physical preparation of players to compete at this level. Training methodologies for elite-level female rugby union players should consider the unique demands across positional groups with specific considerations of high-velocity running and collision frequency.

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Roberts, Charlie J., and Lewis A. Gough. "Contemporary Themes in Dietary Intake in Rugby Union Players: A Narrative Review." Nutrients 16, no. 17 (September 6, 2024): 3011. http://dx.doi.org/10.3390/nu16173011.

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Rugby union is an intermittent team sport with variability in body composition and match-play demands between positions which requires careful consideration for individual dietary requirements. While previous reviews have detailed the macronutrient intake in rugby players, none have discussed the further determinants of dietary intake in this population. Therefore, the purpose of the current review was to summarise the current evidence detailing dietary intake in rugby union players, report on contemporary nutritional research themes, and provide recommendations for athletes, nutritionists, and other stakeholders. In total, eighteen articles report on dietary intake in rugby players, with only one of these detailing dietary intake in female athletes. Recent studies have reported on both protein and carbohydrate periodisation practices in rugby union players; however, there is currently limited evidence as to the influence of these on performance, recovery, and well-being. Factors influencing eating patterns, the impact of sports nutritionists on dietary intake, and food consumption in catered and non-catered environments has been explored in isolated studies. Nutrition knowledge levels in rugby players have been reported in several studies; however, the influence this has on dietary intake in rugby players is unknown. Collectively, despite new contemporary themes emerging in the literature concerning dietary intake in rugby players, the studies are isolated; as such, there is limited scope to the translatability of information due to heterogeneity in sex, level of play, and location of participants. Given this, future research should aim to build upon the themes identified in this review in combination to support practitioners working within their specific environments. This will subsequently build towards the generation of rugby-specific recommendations.

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Watson, Estelle D., Rikki-Lee Hodge, and Michael Gekis. "The prevalence of self-reported neck pain in rugby union players in Gauteng Province." South African Journal of Sports Medicine 26, no. 1 (March 20, 2014): 26. http://dx.doi.org/10.17159/2413-3108/2014/v26i1a407.

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Background. Rugby is a highly demanding sport that carries a high risk of injury, specifically to the neck region. Repetitive loading of the neck during the scrum or tackle phase may increase neck symptoms and pain.Objectives. The objective of this cross-sectional, descriptive study was to determine the prevalence of self-reported neck pain in rugby union players in Gauteng Province, South Africa.Methods. One hundred rugby union players of a mean ± standard deviation age of 22.1±2.4 years, height 1.84±0.07 m and weight 95.3±15.2 kg, completed the four-part questionnaire.Results. We found a 12% prevalence of current neck pain, and 52% of the players reported experiencing previous neck pain. Neck pain was more frequently reported in forwards, with the tackle being the most commonly stated cause. Eighteen players reported mild to moderate disability as a result of neck pain. The players reported that neck strengthening, on-field treatment and coaching could be improved to prevent neck pain.Conclusion. Current and previous neck pain is prevalent in rugby union players. Neck pain may be a sign of underlying pathology; therefore, players presenting with chronic or acute neck pain should be assessed thoroughly by a sports physician. Neck conditioning and strengthening should be encouraged in all players to prevent the deleterious effects that rugby union may have on the cervical spine.

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Erskine, Natalie R., Sharief Hendricks, Ben Jones, and Faatiema Salie. "Innovation in sport medicine and science: a global social network analysis of stakeholder collaboration in rugby union." BMJ Open Sport & Exercise Medicine 10, no. 1 (March 2024): e001559. http://dx.doi.org/10.1136/bmjsem-2023-001559.

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ObjectivesTo investigate the network of stakeholders involved in rugby union research across the globe.MethodsUsing author affiliations listed on scientific publications, we identified the organisations that contributed to rugby union research from 1977 to 2022 and examine collaboration through coauthorship indicators. We determined the locations and sectors of identified organisations and constructed a collaboration network. Network metrics, including degree centrality and betweenness centrality, are computed to identify influential organisations and measure intersector collaboration.ResultsThere is an increase in scientific knowledge creation and collaboration between organisations for rugby union research over time. Among the sectors, the university, professional sports team and sports governing body sectors exhibit the highest intersectoral and intrasectoral density. Predominantly, influential actors are located in England, Australia, France, New Zealand, Ireland and South Africa. Australian Catholic University, Leeds Beckett University, Stellenbosch University, Swansea University, University College London and the University of Cape Town emerge as influential actors between 2016 and 2022.ConclusionsOur study underscores the ongoing growth of scientific knowledge generation in rugby union, primarily led by organisations in tier 1 rugby-playing nations within the university sector. Intersectoral collaboration with sports governing bodies plays a crucial role, acting as a broker between sectors. However, the overall collaboration landscape between and within sectors is low. These results highlight an opportunity for improved collaboration opportunities, as the organisations driving knowledge creation have been identified.

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Burger, Nicholas, Mike Lambert, and Sharief Hendricks. "Lay of the land: narrative synthesis of tackle research in rugby union and rugby sevens." BMJ Open Sport & Exercise Medicine 6, no. 1 (April 2020): e000645. http://dx.doi.org/10.1136/bmjsem-2019-000645.

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ObjectivesThe purpose of this review was to synthesise both injury prevention and performance tackle-related research to provide rugby stakeholders with information on tackle injury epidemiology, including tackle injury risk factors and performance determinants, and to discuss potential preventative measures.DesignSystematic review and narrative synthesis.Data sourcesPubMed, Scopus and Web of Science.Eligibility criteriaLimited to peer-reviewed English-only publications between January 1995 and October 2018.ResultsA total of 317 studies were identified, with 177 in rugby union and 13 were in rugby sevens. The tackle accounted for more than 50% of all injuries in rugby union and rugby sevens, both at the professional level and at the lower levels, with the rate of tackle injuries higher at the professional level (mean 32/1000 player-hours) compared with the lower levels (mean 17/1000 player-hours). A player’s tackle actions and technical ability were identified as major risk factors for injury and a key determinant of performance.Summary/conclusionEvidence-based education, progressive tackle technique training with a high potential to transfer and law changes have been proposed as key modifiers of player tackle actions and technical ability. Conceivably, all three modifiers working in unison (as opposed to separately) will have a higher potential at reducing tackle injury risk while enhancing performance. With the guidance of tackle injury and performance studies, as well as stakeholder engagement, experiential and explorative tackle research has the potential to inspire innovative injury prevention and performance strategies.

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Scott, Georgia A., Ollie Edwards, Neil E. Bezodis, Mark Waldron, Eifion Roberts, David B. Pyne, Jocelyn Mara, et al. "Classifying Winning Performances in International Women’s Rugby Union." International Journal of Sports Physiology and Performance 18, no. 9 (September 1, 2023): 1072–78. http://dx.doi.org/10.1123/ijspp.2023-0086.

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Purpose: The efficacy of isolated and relative performance indicators (PIs) has been compared in rugby union; the latter more effective at discerning match outcomes. However, this methodology has not been applied in women’s rugby. The aim of this study was to identify PIs that maximize prediction accuracy of match outcome, from isolated and relative data sets, in women’s rugby union. Methods: Twenty-six PIs were selected from 110 women’s international rugby matches between 2017 and 2022 to form an isolated data set, with relative data sets determined by subtracting corresponding opposition PIs. Random forest classification was completed on both data sets, and feature selection and importance were used to simplify models and interpret key PIs. Models were used in prediction on the 2021 World Cup to evaluate performance on unseen data. Results: The isolated full model correctly classified 75% of outcomes (CI, 65%–82%), whereas the relative full model correctly classified 78% (CI, 69%–86%). Reduced respective models correctly classified 74% (CI, 65%–82%) and 76% (CI, 67%–84%). Reduced models correctly predicted 100% and 96% of outcomes for isolated and relative test data sets, respectively. No significant difference in accuracy was found between data sets. In the relative reduced model, meters made, clean breaks, missed tackles, lineouts lost, carries, and kicks from hand were significant. Conclusions: Increased relative meters made, clean breaks, carries, and kicks from hand and decreased relative missed tackles and lineouts lost were associated with success. This information can be utilized to inform physical and tactical preparation and direct physiological studies in women’s rugby.

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Escrivá, Dolores, Jordi Caplliure-Llopis, Inmaculada Benet, Gonzalo Mariscal, Juan Vicente Mampel, and Carlos Barrios. "Differences in Adiposity Profile and Body Fat Distribution between Forwards and Backs in Sub-Elite Spanish Female Rugby Union Players." Journal of Clinical Medicine 10, no. 23 (December 6, 2021): 5713. http://dx.doi.org/10.3390/jcm10235713.

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The purpose of this study was to analyze the adiposity profile and the body fat distribution in 56 sub-elite female rugby union players involved in the Spanish National Women’s Rugby Union Championships. The participants included in this study, which was the first to analyze sub-elite players, show thinner skinfolds, lower fat mass, and lesser fat percentage than previously reported for elite female rugby union players. Forwards were heavier and had higher body mass index (BMI) and fat mass, thicker skinfolds, and higher fat percentage than back players. Forwards also possessed significantly greater total fat-free mass than backs. All these differences were applicable only to players under 25 years of age. A negative correlation between age and both abdominal and lower extremity fat was found in forward players but not in the backs. Both Yuhasz and Faulkner equations tended to underestimate fat percentage in comparison to Reilly equation. Although Yuhasz equation provided higher systematic error, random error was lower in comparison to Faulkner equation. This study shows the relevance of analyzing and monitoring adiposity in female rugby union players to optimize adaptation to the sports requirements of different playing positions and age.

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Gerrard, David F. "External Knee Support in Rugby Union." Sports Medicine 25, no. 5 (1998): 313–17. http://dx.doi.org/10.2165/00007256-199825050-00002.

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Silver, J. R. "Professionalism and injuries in rugby union." British Journal of Sports Medicine 35, no. 2 (April 1, 2001): 138—a—138. http://dx.doi.org/10.1136/bjsm.35.2.138-a.

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Nicol, Alastair, Allyson Pollock, Graham Kirkwood, Nikesh Parekh, and James Robson. "Rugby union injuries in Scottish schools." Journal of Public Health 33, no. 2 (June 25, 2010): 256–61. http://dx.doi.org/10.1093/pubmed/fdq047.

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Journal articles on the topic 'Rugby union'

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