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Marques Junior, Nelson Kautzner. "Peripheral vision training for the soccer: 10 years of the studies." MOJ Sports Medicine 2, no. 4 (September 14, 2018): 133–35. http://dx.doi.org/10.15406/mojsm.2018.02.00061.
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When the soccer player practices during the match the skills with emphasis on peripheral vision is important for he has a good vision of the players with the objective of the player practices a better action of the skill. The objective of the review was of present the peripheral vision training structure. The peripheral vision training the coach can prescribe during the technical training, the game situational training and the game training, but the ideal for each type of training the use of the motor learning practices. Therefore, the coach guides the athlete in all exercises when practicing the skill with the peripheral vision training through of the head up. After 15 sessions of indoor soccer, the offensive quality was detected in the peripheral vision training group (PG) and of the traditional training (TG). Two-way ANOVA detected a statistical difference (p≤0,05) between the PG versus the TG. The PG was better during the start of the attack and development of the attack than the TG. But the TG was better during the finalization of the attack (FA) of the 1st shift and the PG was better during the FA of the 2nd shift. The indoor soccer with less offensive actions causes more goals during the match. The PG practiced less action during the attack (2 to 4 actions of attack) and the TG practiced more actions during the attack (2 to 6 actions of attack). In conclusion, peripheral vision training is very important for the performance of the soccer player.
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Alves Junior, Carlos Alencar Souza, Mikael Seabra Moraes, Cassiano Schuaste de Souza, Giovani Costa, and Diego Augusto Santos Silva. "BODY COMPOSITION AMONG UNIVERSITY FEMALE ATHLETES OF TEAM SPORTS." Revista Brasileira de Medicina do Esporte 27, no. 2 (June 2021): 156–60. http://dx.doi.org/10.1590/1517-8692202127022020_0046.
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ABSTRACT Introduction: The assessment of body composition in female athletes of different sports is important for health monitoring. Objective: To compare body composition in university athletes of different team sports (indoor soccer, flag football and volleyball). Methods: A cross-sectional study carried out with 45 female athletes, aged 18 to 35 years (22.8 ± 3.55). The dependent variables were body fat mass (FM) and fat-free mass (FFM) measured by air displacement plethysmography. Bone mineral content, adjusted for height (BMC/height) and bone mineral density (BMD), were measured by dual energy X-ray absorptiometry. The independent variable was sport [flag football (n = 12); indoor soccer (n = 20); volleyball (n = 13)] and the covariates were age (complete years), training volume (minutes per week) and length of time playing the sport (complete years). Analysis of covariance was used. Results: Adjusting the model for covariates, volleyball athletes (19.27 kg ± 2.20) presented higher FM values compared to the flag football (16.00 kg ± 1.70) and indoor soccer players (12.20 kg ± 1.30). There was no significant difference in FFM, BMC/height and total BMD between sports, even after adjusting for covariates. Conclusion: Volleyball athletes presented higher FM compared to flag football and indoor soccer athletes. There were no differences in FFM, BMC/height and BMD among the players of the different team sports. This study can help coaches and other sports professionals to prevent injuries to athletes in sports such as higher FM (volleyball), or to prevent diseases such as menstrual irregularities, which are common in athletes who may have low levels of body fat (indoor soccer players), this being one of the risk factors for the female athlete triad (eating disorders, menstrual irregularities and low BMD). Level of evidence III; Retrospective comparative study .
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Tan, Bin. "Soccer-Assisted Training Robot Based on Image Recognition Omnidirectional Movement." Wireless Communications and Mobile Computing 2021 (August 16, 2021): 1–10. http://dx.doi.org/10.1155/2021/5532210.
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With the continuous emergence and innovation of computer technology, mobile robots are a relatively hot topic in the field of artificial intelligence. It is an important research area of more and more scholars. The core of mobile robots is to be able to realize real-time perception of the surrounding environment and self-positioning and to conduct self-navigation through this information. It is the key to the robot’s autonomous movement and has strategic research significance. Among them, the goal recognition ability of the soccer robot vision system is the basis of robot path planning, motion control, and collaborative task completion. The main recognition task in the vision system is the omnidirectional vision system. Therefore, how to improve the accuracy of target recognition and the light adaptive ability of the robot omnidirectional vision system is the key issue of this paper. Completed the system construction and program debugging of the omnidirectional mobile robot platform, and tested its omnidirectional mobile function, positioning and map construction capabilities in the corridor and indoor environment, global navigation function in the indoor environment, and local obstacle avoidance function. How to use the local visual information of the robot more perfectly to obtain more available information, so that the “eyes” of the robot can be greatly improved by relying on image recognition technology, so that the robot can obtain more accurate environmental information by itself has always been domestic and foreign one of the goals of the joint efforts of scholars. Research shows that the standard error of the experimental group’s shooting and dribbling test scores before and the experimental group’s shooting and dribbling test results after the standard error level is 0.004, which is less than 0.05, which proves the use of soccer-assisted robot-assisted training. On the one hand, we tested the positioning and navigation functions of the omnidirectional mobile robot, and on the other hand, we verified the feasibility of positioning and navigation algorithms and multisensor fusion algorithms.
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ÖZÜDOĞRU, Anıl, and İlyas UÇAR. "Effects of Indoor Soccer Training on Physical Fitness Levels in Visually Impaired Athletes." Turkiye Klinikleri Journal of Sports Sciences 12, no. 1 (2020): 77–83. http://dx.doi.org/10.5336/sportsci.2019-70779.
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Fortes, Leonardo De Sousa, Jeferson Macedo Vianna, Delton Manoel dos Santos Silva, Marcio André Gouvea, and Edilson Serpeloni Cyrino. "Efeitos do polimento na potência aeróbia máxima em atletas de indoor soccer." Brazilian Journal of Kinanthropometry and Human Performance 18, no. 3 (July 14, 2016): 341. http://dx.doi.org/10.5007/1980-0037.2016v18n3p341.
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DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n3p341 The aim of this study was to analyze the effect of tapering on maximum aerobic power (VO2max) in young male indoor soccer athletes. Participants were 78 athletes aged 12-17 years randomly divided into experimental (EG) and control group (CG). Both groups did the same training planning until the last three weeks (tapering phase). Only EG performed tapering. Tapering lasted three weeks adopting the linear tapering method. VO2max was estimated by Yo-Yo intermittent Recovery Level 1 early in the season and in the last week of each. Univariate analysis of covariance (ANCOVA) was conducted for repeated measures to compare VO2max among groups according to mesocycle. The results presented effect of time (F (4.74)= 42.02, p = 0.01) and group (F (2.76) = 35.87, p = 0.01). Overall, the findings of this study suggest that the implementation of the tapering strategy in the last weeks of training is more efficient to improve VO2max than the constant maintenance of loads.
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Pillitteri, Guglielmo, Ewan Thomas, Giuseppe Battaglia, Giovanni Angelo Navarra, Antonino Scardina, Viviana Gammino, Dario Ricchiari, and Marianna Bellafiore. "Validity and Reliability of an Inertial Sensor Device for Specific Running Patterns in Soccer." Sensors 21, no. 21 (October 31, 2021): 7255. http://dx.doi.org/10.3390/s21217255.
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Electronic performance tracking devices are largely employed in team sports to monitor performance and improve training. To date, global positioning system (GPS) based devices are those mainly used in soccer training. The aim of this study was to analyse the validity and reliability of the inertial sensor device (ISD) in monitoring distance and speed in a soccer-specific circuit and how their performance compare to a GPS system. 44 young male soccer players (age: 14.9 ± 1.1, range 9–16, years, height: 1.65 ± 0.10 m, body mass: 56.3 ± 8.9 kg) playing in a non-professional soccer team in Italy, participated in the study. We assessed the players trough a soccer running sport-specific circuit. An ISD and a GPS were used to assess distance and speed. Data was compared to a video reference system, and the difference were quantified by means of the root mean square error (RMSE). Significant differences were found for both GPS and ISD devices for distance and speed. However, lower error for distance (dRMSE 2.23 ± 1.01 m and 5.75 ± 1.50 m, respectively) and speed (sRMSE 0.588 ± 0.152 m·s–1 and 1.30 ± 0.422 m·s–1, respectively) were attained by the ISD compared to the GPS. Overall, our results revealed a statistically significant difference between systems in data monitoring for either distance and speed. However, results of this study showed that a smaller error was obtained with the ISD than the GPS device. Despite caution is warranted within the interpretation of these results, we observed a better practical applicability of the ISD due to its small size, lower cost and the possibility to use the device indoor.
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Vitali, Francesca, Elisa Bisagno, Marinella Coco, Alessia Cadamuro, Nelson Mauro Maldonato, and Donatella Di Corrado. "A Moderated Mediation Analysis of the Effects of the COVID-19 Pandemic on Well-Being and Sport Readiness of Italian Team Sports Players: The Role of Perceived Safety of the Training Environment." International Journal of Environmental Research and Public Health 19, no. 5 (February 27, 2022): 2764. http://dx.doi.org/10.3390/ijerph19052764.
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Background: The protective restrictions (e.g., lockdowns, quarantines, social and physical distancing) consequent to the global pandemic caused by COVID-19 posited new challenges to athletes practicing competitive team sports. This study aimed to gain an understanding of the impact of the ongoing COVID-19 pandemic on the well-being and sports readiness to train and to compete of competitive female and male athletes practicing outdoor (i.e., rugby, soccer) and indoor (i.e., volleyball, basketball) team sports who were active during the Italian first and second waves of COVID-19. Methods: An online survey assessing demographic characteristics, perceived safety of the training environment, COVID-19 risk, fear of COVID-19, well-being, and sport (training and competition) readiness was administered to 619 team sports players. We examined differences by gender, previous COVID-19 experience, and team sport setting (i.e., outdoor vs. indoor). A moderated mediation analysis was conducted to assess the impact of perceived COVID-19 risk and fear of COVID-19 on athletes’ well-being and sports readiness, using perceived safety of the training environment as a mediator and gender and sport setting as moderators. Results: Indoor team sports and female athletes showed higher perceived COVID-19 risk, while athletes with no-COVID-19 experience reported higher fear of COVID-19. Perceived COVID-19 risk (directly and via perceived safety of the training environment) and fear of COVID-19 were negatively associated with athletes’ well-being and sports readiness. Conclusions: This study highlighted an understanding of the psychological implications of the COVID-19 pandemic, emphasizing the role of the perceived safety of the training environment on athletes’ well-being and sports readiness. Future studies may advance safety-based interventions to promote well-being and a safer return to sport.
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Loturco, Irineu, Ian Jeffreys, Ronaldo Kobal, César C. Cal Abad, Rodrigo Ramirez-Campillo, Vinicius Zanetti, Lucas A. Pereira, and Fábio Y. Nakamura. "Acceleration and Speed Performance of Brazilian Elite Soccer Players of Different Age-Categories." Journal of Human Kinetics 64, no. 1 (October 15, 2018): 205–18. http://dx.doi.org/10.1515/hukin-2017-0195.
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Abstract This study aimed to compare vertical jump ability (squat-jump [SJ] and countermovement-jump [CMJ]), relative to body mass mean propulsive power in the jump-squat (MPP-REL JS), and the 0-5, 5-10, and 10-20 m acceleration and speed among soccer players from the same professional club, divided into age-categories (U15 [n = 20], U17 [n = 53], U20 [n = 22] and senior [n = 25] players). The tests were performed at the start of the preseason in indoor facilities. The magnitude-based inference approach and the standardized differences (based on effect sizes) were used to compare the age-groups. The SJ, CMJ, and MPP-REL JS increased across the age-groups up to U20, the latter being similar to senior players. Interestingly, the 0-5 m acceleration was likely and possibly higher in U15 players compared to U17 and senior players. Although soccer athletes improve their unloaded and loaded jump abilities across the age-categories (plateauing during adulthood), the same does not hold true for acceleration capacity, from the early phases of players’ development (i.e., U15). Strength and conditioning professionals should seek effective strategies to minimize impairment in maximal acceleration performance of elite soccer players throughout their prospective training programs.
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Purwani, Deni, Sulistiawati Sulistiawati, and Bambang Purwanto. "Lower Level of Interleukin-6 and Hepcidin Found in Lower Density of Physical Exercise among Athlete During Pandemic of Covid-19." Folia Medica Indonesiana 57, no. 2 (June 1, 2021): 143. http://dx.doi.org/10.20473/fmi.v57i2.23590.
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The pandemic of Covid-19 affected entire daily human life worldwide, including sports activities among athletes. An athlete was pushed to suit their routine activities with a new health protocol for Covid-19 prevention. Some of them were programmed to train at home with a moderate density of exercise, but others were still in a high density of exercise. This study compared the serum level of hemoglobin (Hb), interleukin-6 (IL-6), and hepcidin among athletes with a high versus moderate exercise density training program during the pandemic. Thirty-four indoor soccer athletes of a soccer football school in Malang voluntarily registered as a subject. Half of them received moderate exercise density exercise programs, and others received high-density exercise programs during June-July 2020. Interleukin-6 and hepcidin level mean was found significantly lower in the moderate group compared to the high-density group. Hemoglobin level mean was found not different between those groups. The lower density of exercise influenced on IL-6 and hepcidin serum level of athlete, but not on hemoglobin level.
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Kapilevich, L. V., A. A. Ilyin, L. Jiao, F. Xiao, and S. G. Krivoshchekov. "Physiological Features of the Response of the Respiratory and Circulation Systems to Physical Load in Students Engaged in Winter Football." Физиология человека 50, no. 2 (July 24, 2024): 70–83. http://dx.doi.org/10.31857/s0131164624020062.
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Adaptive changes in the circulatory and respiratory systems under the influence of winter football training were studied. 50 men aged 21-25 years — 3rd-4th year students — were examined: control group — 25 people specializing in “soccer” (S), main group — 25 people studying in the specialization “winter football” (WF). The examination was performed twice — before and after physical activity. Running (average pace, 180 steps/min) for 15 minutes was used as dosed physical activity. The loads were performed either indoors at a temperature of plus 22–24°C, or in winter outside at a temperature of minus 18–20°C. Indoor and outdoor surveys were carried out on different days. Assessment of peripheral blood flow in the lower extremities was performed using rheography; to assess the main blood flow in the femoral artery, Doppler ultrasound was used. The study of external respiration functions was carried out using pneumotachography. The lactate concentration in capillary blood was determined photometrically. It has been shown that physical activity performed in the cold in adapted athletes (WF group) promotes increased integration between the respiratory and circulatory systems, ensuring the formation of a functional system characterized by stronger connections for optimal adaptation to the combined effects of physical activity and cold. In athletes training indoors (group S) under conditions of a combination of physical activity and cold exposure, on the contrary, desynchronization of the interaction of the respiratory and circulatory systems occurs, which leads to a decrease in adaptive reserves. Thus, sports training in winter football triggers phenotypic adaptive changes and creates a number of physiological mechanisms that promote increased integration between the respiratory and circulatory systems, providing optimal adaptation to the combined effects of physical activity and cold. The obtained facts will be useful for the development of special training programs aimed at increasing the functional reserve of the cardiorespiratory system of athletes training in cold conditions.
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Vaccaro-Benet, Pau, Carlos D. Gómez-Carmona, Joaquín Martín Marzano-Felisatti, and José Pino-Ortega. "Internal and External Load Profile during Beach Invasion Sports Match-Play by Electronic Performance and Tracking Systems: A Systematic Review." Sensors 24, no. 12 (June 8, 2024): 3738. http://dx.doi.org/10.3390/s24123738.
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Beach variants of popular sports like soccer and handball have grown in participation over the last decade. However, the characterization of the workload demands in beach sports remains limited compared to their indoor equivalents. This systematic review aimed to: (1) characterize internal and external loads during beach invasion sports match-play; (2) identify technologies and metrics used for monitoring; (3) compare the demands of indoor sports; and (4) explore differences by competition level, age, sex, and beach sport. Fifteen studies ultimately met the inclusion criteria. The locomotive volumes averaged 929 ± 269 m (average) and 16.5 ± 3.3 km/h (peak) alongside 368 ± 103 accelerations and 8 ± 4 jumps per session. The impacts approached 700 per session. The heart rates reached 166–192 beats per minute (maximal) eliciting 60–95% intensity. The player load was 12.5 ± 2.9 to 125 ± 30 units. Males showed 10–15% higher external but equivalent internal loads versus females. Earlier studies relied solely on a time–motion analysis, while recent works integrate electronic performance and tracking systems, enabling a more holistic quantification. However, substantial metric intensity zone variability persists. Beach sports entail intermittent high-intensity activity with a lower-intensity recovery. Unstable surface likely explains the heightened internal strain despite moderately lower running volumes than indoor sports. The continued integration of technology together with the standardization of workload intensity zones is needed to inform a beach-specific training prescription.
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Mulhadi, Tri, Supriatna Supriatna, Taufik Taufik, and Kurniati Rahayuni. "Survei Manajemen Latihan Olahraga Sepak Bola di SSB Satria Muda Kota Malang." Sport Science and Health 4, no. 6 (June 28, 2022): 539–50. http://dx.doi.org/10.17977/um062v4i62022p539-550.
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Abstract: Football is a team game which, each team consists of eleven players including the goalkeeper. The goal of the soccer game is to get the ball into the opponent's goal as much as possible and try to keep the goal from conceding. To create good training management, SSB Satria Muda Malang City needs to do a SWOT (strength, weakness, opportunity, and threats) analysis. The purpose of this study was to determine the state of the management of soccer sports at SSB Satria Muda Malang City. This type of research uses quantitative and qualitative research. The method used is a survey method with data collection techniques using a questionnaire. And generate data in the form of numbers, tables and diagrams. After knowing the results of the study, it was concluded that the management of soccer sports training at SSB Satria Muda Malang City, (1) strengths include: SSB Satria Muda Malang City is one of the SSB in the field of achievement development that has good coach quality because it is experienced and licensed, facilities good practice (2) weaknesses include: the need for differences in the preparation of training programs and adapted to age groups (3) opportunities include: having sponsors to get additional funds, having cooperation between coaches, SSB or clubs to become a leading soccer school (4 ) threats include: rainy weather conditions, the presence of players in the training process is not stable.
Abstrak: Sepak bola merupakan permainan beregu, setiap regu terdiri dari sebelas pemain termasuk penjaga gawang. Tujuan permainan sepak bola adalah memasukkan bola ke gawang lawan sebanyak-banyaknya dan berusaha agar gawang tidak kebobolan. Untuk menciptakan manajemen pelatihan yang baik, SSB Satria Muda Kota Malang perlu melakukan analisis SWOT (kekuatan, kelemahan, peluang, dan ancaman). Tujuan dari penelitian ini adalah untuk mengetahui keadaan manajemen latihan olahraga sepak bola di SSB Satria Muda Kota Malang. Jenis penelitian ini menggunakan penelitian kualitatif. Metode yang digunakan adalah observasi, wawancara dan survei dengan teknik pengumpulan data menggunakan dokumentasi, hasil wawancara dan kuesioner. Setelah mengetahui hasil penelitian, disimpulkan bahwa manajemen latihan olahraga sepak bola di SSB Satria Muda Kota Malang, (1) kelebihan yang dimiliki antara lain: SSB Satria Muda Kota Malang merupakan salah satu SSB yang memiliki pelatih berkualitas karena berpengalaman dan berlisensi, mempunyai fasilitas latihan yang baik dan memiliki sponsor utama (2) kelemahan antara lain: perlu adanya perbedaan penyusunan program latihan dan disesuaikan dengan kelompok umur (3) peluang antara lain: pemain SSB satria muda berpeluang melanjutkan karir yang lebih tinggi, adanya kerjasama antar pelatih, SSB atau klub untuk menjadi sekolah sepak bola terkemuka (4) ancaman antara lain: kurangnya alternatif latihan indoor pada saat kondisi cuaca kurang baik, kehadiran pemain dalam proses latihan tidak stabil.
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Mehlenbeck, Robyn S., Kenneth D. Ward, Robert C. Klesges, and Christopher M. Vukadinovich. "A Pilot Intervention to Increase Calcium Intake in Female Collegiate Athletes." International Journal of Sport Nutrition and Exercise Metabolism 14, no. 1 (February 2004): 18–29. http://dx.doi.org/10.1123/ijsnem.14.1.18.
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Calcium intake in adolescent and young adult female athletes often is inadequate to optimize peak bone mass, an important determinant of osteoporosis risk. The purpose of this study was to determine if calcium supplementation in eumenorrheic female collegiate athletes increases intake to recommended levels and promotes increases in bone mineral density (BMD). Forty-eight eumenorrheic female athletes from several college teams (15 soccer, 7 crosscountry, 8 indoor track, and 18 basketball) were randomized at the beginning of a competitive season to receive either an oral calcium supplement (1000 mg calcium citrate/400 I.U. Vitamin D) or placebo daily throughout the training season (16 weeks). Self-reported daily pill intake was obtained every 2 weeks to assess adherence. Calcium intake was evaluated using the Rapid Assessment Method, and total body and leg BMD was measured at pre-, mid-, and postseason using dual energy x-ray absorptiometry (DEXA; Hologic QDR-2000). Pre-season calcium intake was lower than national recommendations for this age group (12), averaging 842 mg/d (SD = 719) and was lower in the placebo group compared to the supplemented group (649 ± 268 vs. 1071 ± 986 mg/d, respectively; p = .064). Adherence to supplementation was good, averaging 70% across the training season. Supplementation boosted total calcium intake to a mean of 1397 ± 411 mg/d, which is consistent with recommended levels for this group (37). Supplementation did not influence BMD change during this 16-week intervention. Across teams, a small increase of 0.8% was observed in leg BMD. Change in total body BMD was modified by team, with a significant increase of 1.5% observed in basketball players. These results indicate that providing calcium supplements of 1000 mg/d is adequate to boost total intake to recommended levels during athletic training. Longer intervention trials are required to determine whether calcium supplementation has a positive effect on BMD.
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Hew-Butler, Tamara, Carrie Aprik, Brigid Byrd, Kristin Landis-Piwowar, Valerie Smith-Hale, Matthew VanSumeren, Jordan Sabourin, Gregory Byrd, and Jeffrey Martin. "Paradoxical Relationships between Serum 25(OH)D and Ferritin with Body Composition and Burnout: Variation by Sex and Sports Team." Endocrines 2, no. 3 (September 3, 2021): 320–33. http://dx.doi.org/10.3390/endocrines2030030.
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Adequate serum vitamin D and iron levels are thought to influence physical training adaptations and mood positively. The primary purpose of this prospective, observational study was to investigate relationships between serum 25-OH vitamin D/25(OH)D and serum ferritin levels with body composition and athlete burnout symptoms. Seventy-three collegiate athletes (female: n = 49; male: n = 24) from indoor (swimming, basketball) and outdoor (soccer, cross-country) sports were tested pre-season and post-season for serum 25(OH)D and serum ferritin (nutrient biomarkers) via venipuncture; body composition (total lean mass, bone mineral density/BMD, and % body fat) via dual energy X-ray absorptiometry (DXA) scans; and athlete burnout symptoms (post-season) via the athlete burnout questionnaire (ABQ). When male and female cohorts were combined, significant correlations (Pearson’s r) were noted between pre-season serum 25(OH)D versus the change (∆: post-season minus pre-season) in both BMD (r = −0.34; p = 0.0003) and % body fat (r = −0.28; p = 0.015). Serum ferritin ∆ was significantly associated with lean mass ∆ (r = −0.34; p = 0.003). For burnout symptoms, serum 25(OH)D ∆ significantly explained 20.6% of the variance for devaluation of the sport in the male cohort only. Across time, serum 25(OH)D levels decreased while serum ferritin levels increased, non-significantly, in both males and females. Relationships between nutrient biomarkers and body composition were opposite of physiological expectations.
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Chekanushkina, Elena, Elena Ryabinova, and Diera Pirova. "The Application of Mathematical Modeling in Building of Social and Environmental Competence of Future Technical Specialists in the Health Care Area." BIO Web of Conferences 26 (2020): 00036. http://dx.doi.org/10.1051/bioconf/20202600036.
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The paper considers building of social and environmental competence of future technical specialists. It shows that health care competence building is becoming more pressing issue each year. Behavioral patterns are formed in the process of training, upbringing and observing people around. They allow forming the ability or readiness to use the acquired interdisciplinary knowledge in professional activities related to health, safety of human life, as well as in the process of studying such disciplines as the “Elective Courses on Physical Education and Sports” and “Physical Education and Sports”. The patterns offer the possibility to develop a behavioral socio-ecological algorithm efficiently. In pedagogy and didactic processes, mathematical modeling is aimed at clarifying phenomena that are not amenable to experiment or unobservable as well as patterns of education for the development of efficient teaching technologies. The paper considers mathematical descriptions of the models for formation, interaction and efficiency of various target groups exemplified by Nordic walking, indoor soccer and interdisciplinary teams. It shows the dependence of student group population on an activity and quantitative composition of potential participants of sports group. This mathematical model is also applicable for building socioecological competence of future technical specialists in the framework of participation in interdisciplinary projects, research activities, Olympiads, social and environmental events that contribute to the assimilation of socio-ecological patterns of behavior, the condition for the development of which is the unity of cognitive and practical activities in the process of studying at the university. The paper includes the interim experiment results.
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Haugen, Thomas, Espen Tønnessen, and Stephen Seiler. "Correction Factors for Photocell Sprint Timing With Flying Start." International Journal of Sports Physiology and Performance 10, no. 8 (November 2015): 1055–57. http://dx.doi.org/10.1123/ijspp.2014-0415.
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Purpose:A review of published studies monitoring sprint performance reveals considerable variation in start distance behind the initial timing gate. The aim of the current study was to generate correction factors across varying flying-start distances used in sprint testing with photocells.Methods:Forty-four well-trained junior soccer players (age 18.2 ± 1.0 y, height 175 ± 8 cm, body mass 68.4 ± 8.9 kg) performed sprint testing on an indoor sprint track. They were allocated to 3 groups based on sprintperformance level. Times for 10- and 200-m sprint with foot placement ranging from 0.5 to 15 m back from the initial timing gate were recorded twice for each athlete.Results:Correction-factor equation coefficients were generated for each of the 3 analyzed groups derived from the phase-decay equation y = (y0 − PL) × exp(−k × x) + PL, where y = time difference (0.5-m flying start as reference), x = flying-start distance, y0 is the y value when time is zero, PL (plateau) is the y value at infinite times, and k is the rate constant, expressed in reciprocal of the x-axis time units; if x is in seconds, then k is expressed in inverse seconds. R2 was ≥.998 across all athlete groups and sprint distances, demonstrating excellent goodness of fit. Within-group time differences were significant (P < .05) across all flying-start distance checkpoints for all groups. Between-groups time-saving differences up to 0.04 s were observed between the fastest and the slowest groups (P < .05).Conclusions:Small changes in flying-start distances can cause time differences larger than the typical gains made from specific training, or even the difference between the fastest and slowest elite team-sport athletes. The presented correction factors should facilitate more meaningful comparisons of published sprint-performance results.
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Kurniawan, Faidillah. "E-Sport dalam Fenomena Olahraga Kekinian." Jorpres (Jurnal Olahraga Prestasi) 15, no. 2 (January 9, 2020): 61–66. http://dx.doi.org/10.21831/jorpres.v15i2.29509.
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Fenomena eSport akhir-akhir ini mungkin bisa dibilang sedang naik daun. Ada yang menarik dalam ajang Asian Games 2018. Electronic sport (eSport) masuk sebagai salah satu cabang olahraga (cabor) yang dipertandingkan. E-Sport merupakan olahraga digital yang terorganisir dengan pelatihan khusus seperti halnya atlet profesional sepak bola, bulutangkis, ataupun basket. Pertama kali budaya eSport berkembang adalah dari sebuah kompetisi game. Menariknya, kompetisi game ini bahkan sudah ada sejak lama, tepatnya pada tahun 1972, pada masa yang mungkin ketika itu komputer masih amat jarang, tak ada internet, dan belum ada banyak judul video game. Indo Game kemudian menjadi pintu pertama bagi masuknya kompetisi game berskala internasional di Indonesia dengan menjadi event organizer (EO) kejuaraan World Cyber Games (WCG) pada Tahun 2002. Penetapan eSport sebagai cabor telah disepakati Lembaga Olahraga Olimpiade Asia (Olympic Council of Asia/OCA) sejak 17 April 2017. Cabang eSport kemudian mulai diperkenalkan pada perhelatan 5th Asian Indoor and Martial Art Games (5th AIMAG) yang berlangsung di Ashgabat, Turkmenistan, pada September 2017. Dalam dunia olahraga eSport bisa masuk dalam kategori olahraga yang melibatkan motorik halus, layaknya permainan catur dan bridge. Sementara olahraga pada umumnya merupakan aktivitas olahraga yang banyak melibatkan motorik kasar. E-Sport masih dapat digolongkan sebagai kategori olahraga. IeSPA perlu komunikasikan tingkat lanjut ke KEMENPORA, KOI maupun KONI terkait keberadaan dalam organisasi olahraga yang dinaungi. Kompetisi eSports di Indonesia lebih sering diadakan. E-Sport in the Current Sports Phenomenon AbstractThe eSport phenomenon lately might be said to be on the rise. There is something interesting in the 2018 Asian Games. Electronic sport (eSport) entered as one of the sports that are contested. E-Sport is an organized digital sport with special training such as professional soccer, badminton, or basketball athletes. The first time the eSport culture developed was from a game competition. Interestingly, this game competition even existed a long time ago, precisely in 1972, at a possible time when computers were still very rare, there was no internet, and there were not many video game titles. Indo Game then became the first door for the entry of international-scale gaming competition in Indonesia by becoming an event organizer (EO) of the World Cyber Games (WCG) championship in 2002. The establishment of eSport as a sport was agreed upon by the Asian Olympic Sports Institute (Olympic Council of Asia / OCA) since 17 April 2017. The eSport branch was then introduced at the 5th Asian Indoor and Martial Art Games (5th AIMAG) event which took place in Ashgabat, Turkmenistan, in September 2017. In the world of sports eSport can be included in the category of sports that involve fine motor skills, like chess and bridge games. While sports in general are sports activities that involve a lot of gross motor skills. E-Sport can still be classified as a sports categories. IeSPA needs advanced communication to KEMENPORA, KOI and KONI regarding the presence in shaded sports organizations. ESports competitions in Indonesia are more often held.
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Broad, Elizabeth M., Louise M. Burke, Greg R. Cox, Prue Heeley, and Malcolm Riley. "Body Weight Changes and Voluntary Fluid Intakes during Training and Competition Sessions in Team Sports." International Journal of Sport Nutrition 6, no. 3 (September 1996): 307–20. http://dx.doi.org/10.1123/ijsn.6.3.307.
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Fluid losses (measured by body weight changes) and voluntary fluid intakes were measured in elite basketball, netball, and soccer teams during typical summer and winter exercise sessions to determine fluid requirements and the degree of fluid replacement. Each subject was weighed in minimal clothing before and immediately after training, weights, and competition sessions; fluid intake, duration of exercise, temperature and humidity, and opportunity to drink were recorded. Sweat rates were greatest during competition sessions and significantly lower during weights sessions for all sports. Seasonal variation in dehydration (%DH) was not as great as may have been expected, particularly in sports played indoors. Factors influencing fluid replacement during exercise included provision of an individual water bottle, proximity to water bottles during sessions, encouragement to drink, rules of the game, duration and number of breaks or substitutions, and awareness of personal sweat rates. Guidelines for optimizing fluid intakes in these three sports are provided.
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GÖRAL, Kemal, Gökhan HADİ, and Turgut KAPLAN. "Investigation of Futsal Players’ Answers to Different Agility Tests According to Their Positions." Spor ve Performans Araştırmaları Dergisi 14, no. 1 (April 27, 2023): 115–26. http://dx.doi.org/10.17155/omuspd.1179192.
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There are many features that athletes must have in order to be successful in futsal. One of these features is agility based on rapid and sudden change of direction. This study was conducted to examine the agility of futsal players playing in different positions (goalkeeper, defense and attack) and to analyze their responses to different agility tests. The research data were obtained by subjecting indoor soccer players playing in the Universities Futsal League to agility tests and revealing their answers at the end. 30 futsal players playing in the Turkish Universities Futsal League, with an average age of 21.57±1.97 years, participated in the research voluntarily. Pro-Agility Test, 505 and Zig Zag agility tests were used to determine agility characteristics. Futsal players participating in the research, Pro-Agility agility test values 4.56±0.29 sec, 5 0 5 agility test values 2.33±0.18 sec, Zigzag agility test values with the ball 8.33±0.39 sec and without the ball Zigzag agility test values were found to be 6.44±0.31 sec. When futsal players’ answers to different agility tests are compared according to their positions; In all tests, it was determined that the players playing in the offensive zone had the best agility test values; Statistically significant differences were found in the values of Pro-Agility test, 505 agility test, zig-zag test with and without the ball (p<0.05). As a result; In futsal, where there are many rapid and sudden changes in direction, the agility of the players is considered very important for the players in all positions. It can be said that the agility feature of futsal players is in good condition regardless of position, regular measurement of agility features with and without the ball, including studies to improve the agility feature in the trainings, are some very important criteria for the athletes to reach the desired performance level.
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de Sousa, Matheus Martins, Matheus dos Santos Pimentel, Isabela de Andrade Sobreira, Rondineli de Jesus Barros, Audrey Borghi-Silva, and Flavia Mazzoli-Rocha. "Inspiratory Muscle Training Improves Aerobic Capacity in Amateur Indoor Football Players." International Journal of Sports Medicine, December 11, 2020. http://dx.doi.org/10.1055/a-1255-3256.
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AbstractInspiratory muscle training represents a recommended clinical practice to improve physical performance of healthy individuals, athletes, and those with chronic diseases. This study aimed to evaluate whether high- and low-intensity inspiratory muscle training interferes with the aerobic capacity of indoor soccer players. Volunteers were equally and randomly divided into CON (control group, no inspiratory muscle training); HIG (high-intensity group, inspiratory muscle training at 80% of maximal inspiratory pressure, 3 sets of 12 repetitions); and LIG (low-intensity group, inspiratory muscle training at 50% of maximal inspiratory pressure, 2 sets of 20 repetitions). Before and after inspiratory muscle training, maximal inspiratory and expiratory pressures, the incremental shuttle run test, and the 3-min step test were evaluated. Both inspiratory muscle training protocols improved maximal inspiratory and expiratory pressures, and indirect maximal oxygen consumption and distance traveled in the shuttle test compared to CON. However, only HIG achieved significant increases of indirect oxygen consumption and frequency of step rise in the 3-min step test (p<0.05). Inspiratory muscle training is an important tool to enhance maximal inspiratory pressure and exercise tolerance with potential benefits on submaximal aerobic capacity. However, high-intensity inspiratory muscle training improved aerobic capacity in amateur indoor soccer players in both submaximal tests.
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Jiménez-Rubio, Sergio, José Luis Estévez Rodríguez, and Archit Navandar. "Validity of a Rehab and Reconditioning Program Following an Adductor Longus Injury in Professional Soccer." Journal of Sport Rehabilitation, 2021, 1–6. http://dx.doi.org/10.1123/jsr.2020-0360.
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Context: The high rates of adductor injuries and reinjuries in soccer have suggested that the current rehabilitation programs may be insufficient; therefore, there is a need to create prevention and reconditioning programs to prepare athletes for the specific demands of the sport. Objective: The aim of this study is to validate a rehab and reconditioning program (RRP) for adductor injuries through a panel of experts and determine the effectiveness of this program through its application in professional soccer. Design: A 20-item RRP was developed, which was validated by a panel of experts anonymously and then applied to 12 injured male professional soccer players. Setting: Soccer pitch and indoor gym. Participants: Eight rehabilitation fitness coaches (age = 33.25 [2.49] y) and 8 academic researchers (age = 38.50 [3.74] y) with PhDs in sports science and/or physiotherapy. The RRP was applied to 12 male professional players (age = 23.75 [4.97] y; height = 180.56 [8.41] cm; mass = 76.89 [3.43] kg) of the Spanish First and Second Division (La Liga). Interventions: The experts validated an indoor and on-field reconditioning program, which was based on strengthening the injured muscle and retraining conditional capacities with the aim of reducing the risk of reinjury. Main Outcome Measures: Aiken V for each item of the program and number of days taken by the players to return to full team training. Results: The experts evaluated all items of the program very highly as seen from Aiken V values between 0.77 and 0.94 (range: 0.61–0.98) for all drills, and the return to training was in 13.08 (±1.42) days. Conclusion: This RRP following an injury to the adductor longus was validated by injury experts, and initial results suggested that it could permit a faster return to team training.
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Brandão, Maria Regina Ferreira, Luis Felipe Polito, Vania Hernandes, Mariana Correa, Ana Paula Mastrocola, Daniel Oliveira, Alessandra Oliveira, Larissa Moura, Marcelo Villas Boas Junior, and Daniela Angelo. "Stressors in Indoor and Field Brazilian Soccer: Are They Perceived as a Distress or Eustress?" Frontiers in Psychology 12 (May 20, 2021). http://dx.doi.org/10.3389/fpsyg.2021.623719.
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Soccer players inescapably live under stress during the sportive career, and many real-life aspects of soccer situations operate in the ongoing performance. This study’s main objective was to elaborate the List of Stressors in Professional Indoor and Field Soccer, a self-report instrument designed to measure the impact of 77 soccer situations upon the sport performance. Participants were 138 indoor and field soccer players from the Brazilian Premier League. Each situation was evaluated on a 7-point scale, ranging from the most negative (−3) to the most positive (+3). Data were analyzed according to the players’ perception of the items: distress or eustress and its intensity, and after that, situations perceived as plus −1 and +1 were compared by time in which they were experienced and distributed among five categories established by the literature: Expectations about the Performance, Personal Factors, Competition Aspects, Training Demands, and Relationship with Significant People. Narratives of athletes’ experiences were also used to discuss the results. An Exploratory Structural Equation Modeling using Bi-factorial (BI-ESEM) was employed to assess the factor structure. For the total participants, 49 situations were perceived as distress and 28 as eustress. Using the criteria established a priori, the distribution was among the five categories in the remaining 32 situations. Differences in perception between less and more experienced players were found in 11 situations. The results revealed that Brazilian professional soccer players experience various stressful situations. These events are important representations of environmental demands and could predict the performance as they are perceived as eustress or distress. Some of these stressful situations are inherent in sport and others adjacent to the sports system or environment. Coach pressure to win and conflicts with teammates are examples of stressors in-sport, family problems and disputes with press or fans are examples of stressors external to the team, also called peripheral opponents, and showed the relative social influence of significant others in soccer performance. We can conclude that the knowledge of the direction of a given stress situation has important practical implications in preparing athletes and helping them face the performance stressors that are part of soccer daily life.
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Polito, Luis Felipe Tubagi, Marcelo Luis Marquezi, Douglas Popp Marin, Marcelo Villas Boas Junior, and Maria Regina Ferreira Brandão. "The Goal Scale: A New Instrument to Measure the Perceived Exertion in Soccer (Indoor, Field, and Beach) Players." Frontiers in Psychology 11 (January 7, 2021). http://dx.doi.org/10.3389/fpsyg.2020.623480.
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The rating of perceived exertion (RPE) can be used to monitor the exercise intensity during laboratory and specific tests, training sessions, and to estimate the internal training load of the athletes. The aim of the present study was to develop and validate a specific pictorial perceived exertion scale for soccer players (indoor, field, and beach soccer) called GOAL Scale. The pictorial GOAL Scale (six drawings; 1 “low exertion” to 6 “exhaustion”) was validated for twenty under-17 soccer players (16.4 ± 0.68 years; 175.4 ± 9 cm; 66.4 ± 7.7 kg; % fat mass 12.4 ± 3.3). In the validation phase, the athletes were evaluated in a progressive protocol involving stimuluses of 3 min with 1 min for the rest into the stages until the voluntary exhaustion in Maximal Cardiopulmonary Effort Test (MCET), and in the Yo Yo Intermittent Recovery Test – Level 1 (Yo-Yo). The RPE identified by the GOL Scale, by the Borg Scale 6 – 20 and by the Cavasini Scale, as well as the heart rate (HR), perceptual of the heart rate (%HRmax) and the blood lactate concentration ([La]) were immediately evaluated after each stage of both tests. Spearman’s correlation coefficient (p < 0.05) was used. Construct scale validity was examined by regressing GOAL Scale against Borg Scale 6 – 20 and Cavasini Scale and concurrent scale validity was investigated by regressing GOAL Scale against HR, beats/min and blood lactate concentration (mmol/L) during two progressive tests. There was a significant correlation values of the GOAL Scale with Borg Scale (r = 0.93; r = 0.88), Cavasini Scale (r = 0.91; r = 0.90), %HRmax (r = 0.91; r = 0,86), HR (r = 0.87; r = 0.83) and lactate (r = 0.68; r = 0.83) during tests (Maximal Incremental Cardiopulmonary Test and Yo-Yo test, respectively). The results evidenced concurrent and construct validity of the GOAL Scale across a wide range of exercise intensity. The absence of verbal anchors makes the use of this instrument to soccer, futsal and beach soccer athletes of different languages and different literacy levels possible.
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Abdelatif, Nasef Mohamed N., and Jorge Pablo Batista. "Endoscopic Flexor Hallucis Longus Transfer for the Management of Acute Achilles Tendon Ruptures in Professional Soccer Players." Foot & Ankle International, September 24, 2021, 107110072110364. http://dx.doi.org/10.1177/10711007211036439.
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Background: Acute Achilles tendon ruptures (AATRs) that occur in athletes can be a career-ending injury. The aim of this study was to describe return to play and clinical outcomes of isolated endoscopic flexor hallucis longus (FHL) transfer in active soccer players with AATR. Methods: Twenty-seven active male soccer players who underwent endoscopically assisted FHL tendon transfer for acute Achilles tendon ruptures were included in this study. Follow up was 46.2 (±10.9) months after surgery. Return to play criteria and clinical outcome measures were evaluated. Results: All players returned to playing professional competitive soccer games. Return to active team training was at a mean of 5.8 (±1.1) months postoperatively. However, return to active competitive match play occurred at a mean of 8.3 (±1.4) months. Twenty-two players (82%) were able to return to their preinjury levels and performances and resumed their professional careers at the same soccer club as their preinjury state. One player (3.7%) shifted his career to professional indoor soccer. At 26 months postoperatively, the mean Tegner activity scale score was 9.7 (±0.4), the mean Achilles tendon total rupture score was 99 (±2), and the mean American Orthopaedic Foot & Ankle Society ankle-hindfoot score was 99 (±3). No patients reported any great toe complaints or symptomatic deficits of flexion strength. Conclusion: The current study demonstrated satisfactory and comparable return to play criteria and clinical results with minimal complications when using an advanced endoscopically assisted technique involving FHL tendon transfer to treat acute Achilles tendon ruptures in this specific subset of patient cohort. Level of Evidence: Level II, prospective cohort case series study.
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Hew‐Butler, Tamara, Kristin Landis‐Piwowar, Carrie Aprik, and Brigid Byrd. "Paradoxical Relationships Between Vitamin D and Body Composition in Collegiate Athletes Training in the Midwest." FASEB Journal 31, S1 (April 2017). http://dx.doi.org/10.1096/fasebj.31.1_supplement.317.7.
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ObjectiveTo assess both changes and relationships between serum 25‐hydroxyvitamin D (vitamin D) and body composition in NCAA D1 athletes (training latitude 42.6°N) over the Fall season.MethodsStudent‐athlete volunteers from seven sport teams (men and women's cross country, swimming, and basketball plus women's soccer) were tested both pre‐season (August–September) and post‐season (January–February) for vitamin D (Crittenton Hospital laboratory), and body composition (dual energy x‐ray absorptiometry scan). Data reported as mean±SD with significance set at p<0.05.Results24 males and 49 females (N=73) completed both pre and post‐season testing. Significant decreases noted in vitamin D (pre‐season vs. post‐season) when all athletes were combined (40±14 vs. 33±13ng/mL;p=0.005;N=73) and more specifically in male basketball (22±8 vs. 15±6ng/mL;p=0.03;n=9) and cross country (47±5 vs. 38±6ng/mL;p=0.001;n=9) athletes. Combined data (N=73) revealed significant inverse relationships between pre‐season vitamin D vs. pre‐season total bone mineral content (BMC; r=−0.32;p=0.005), pre‐season total lean mass (r=−0.36;p=0.002), and post‐season minus pre‐season change (Δ) in total fat mass (r=−0.23;p=0.04). When separated by sex, male athletes demonstrated more robust inverse correlations between pre‐season vitamin D vs. pre‐season: BMC (r=−0.71;p=0.000), bone mineral density (BMD;r=−0.60;p=0.002), and total fat mass (r=−0.61;p=0.001). Male basketball players (n=9) demonstrated the strongest inverse correlations between post‐season vitamin D vs. post‐season BMD (r=−.85;p=0.004) and BMC (r=−.78;p=0.01) despite having the lowest pre‐season and post‐season vitamin D levels and highest (pre‐season and Δ) BMC (3697±404g and 55±86g) and BMD (1.37±0.09g/cm3 and 0.02±0.02g/cm3). Female athletes demonstrated significant negative relationships between pre‐season vitamin D vs. Δ BMC (r=−.35;p=0.02), Δ %body fat (r=−.34;p=0.02), and Δ total fat mass (r=−0.31;p=0.03).ConclusionsVitamin D levels (on average) decreased in all tested teams, regardless of indoor (swimming and basketball) or outdoor (cross country, soccer) training. No significant relationships were noted between the Δ in Vitamin D vs. the Δ in any total body composition variable. However, significant (inverse) linear relationships were noted at single testing time points (pre‐season or post‐season) between vitamin D versus bone (BMD or BMC), lean and fat mass which were driven largely by the male athletes (particularly the basketball players). Collectively, higher pre‐season vitamin D levels were paradoxically associated with reduced pre‐season bone and muscle (lean) mass with greater fat mass losses (over the season) observed in this cohort of male and female Fall sport athletes.Support or Funding InformationSupport provided by the Oakland University Athletics Department
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Howard, Jamir, and Jason Scott. "The Effects of Knowledge, Lack of Knowledge, and Deception on Rate of Perceived Exertion and Performance During Workouts." Journal of Emerging Investigators, 2019. http://dx.doi.org/10.59720/19-039.
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The purpose of this study is to examine how knowledge, lack of knowledge, and deception affect the rate of perceived exertion (RPE) and actual performance of moderately trained teenagers engaged in sprint training. This study has two hypotheses. The first hypothesis is that athletes who do not know their sprint duration will have a lower reported RPE and actual performance, compared to athletes who are aware of their sprint duration. Our second hypothesis is that athletes deceived with a lower sprint duration will report a higher RPE and performance compared to when they have knowledge of their duration. The order of the experimental conditions was knowledge, deception, and then lack of knowledge. Participants started from the midfield line of an indoor soccer field and ran to the end of the field and back to midfield ten times for all conditions. While on their way back, they reported their RPE to an assigned assistant who was timing them. We found that participants ran the slowest and reported the lowest RPE throughout the ten sprints in the lack of knowledge condition. We also found that the knowledge condition had a slower average sprint time than the sprints during deception, but the knowledge condition yielded the fastest and most consistent speeds. Coaches should strongly consider telling their athletes the truth about workout duration since our study along with many others suggests that it is the best way to maximize performance and RPE.