Academic literature on the topic 'Isokinetic knee strength'

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Journal articles on the topic "Isokinetic knee strength"

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Alt, Tobias, Igor Komnik, Jannik Severin, et al. "Swing Phase Mechanics of Maximal Velocity Sprints—Does Isokinetic Lower-Limb Muscle Strength Matter?" International Journal of Sports Physiology and Performance 16, no. 7 (2021): 974–84. http://dx.doi.org/10.1123/ijspp.2020-0423.

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Purpose: Concentric hip and eccentric knee joint mechanics affect sprint performance. Although the biarticular hamstrings combine these capacities, empirical links between swing phase mechanics and corresponding isokinetic outcome parameters are deficient. This explorative study aimed (1) to explain the variance of sprint velocity, (2) to compare maximal sprints with isokinetic tests, (3) to associate swing phase mechanics with isokinetic parameters, and (4) to quantify the relation between knee and hip joint swing phase mechanics. Methods: A total of 22 sprinters (age = 22 y, height = 1.81 m,
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Yılmaz, A. K., M. Kabadayı, Ö. Bostancı, M. Özdal, and M. H. Mayda. "Analysis of isokinetic knee strength in soccer players in terms of selected parameters." Physical education of students 23, no. 4 (2018): 209–16. http://dx.doi.org/10.15561/20755279.2019.0408.

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Purpose: The aim of study is to analyse isokinetic knee strength in soccer players in terms of selected parameters. Methods: A total of 30 subjects, 15 soccer players and 15 controls, were included in the study. Isokinetic knee strength measurements at angular speeds of 60°sec-1, 180°sec-1 and 240°sec-1 and pro-agility tests were conducted on the subjects. A body analyser was used for height, weight and body mass indexes (BMI) values. The training ages of the subjects and the positions of the soccer player group were recorded on personal information forms. Results: When the agility parameters
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Lee, Jong Baek, and Young Kyun Kim. "The Relationship between Isokinetic Trunk, Leg Strength and Isometric Mid-Thigh Pull Test, Counter Movement Jump in National Rowing Athletes." Asian Journal of Kinesiology 22, no. 3 (2020): 34–42. http://dx.doi.org/10.15758/ajk.2020.22.3.34.

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OBJECTIVES The purpose of this study was to analyze the relationship between isokinetic leg strength and maximum Isometric Med-Thigh Pull Test(IMTP) and maximum height of Counter Movement Jump (CMJ) in Korean national rowers.METHODS Each eight male and female athletes were participated in the study. Isometric IMTP, CMJ, and isokinetic trunk, hip, and knee strength were measured to analyze the relationship between the IMTP, CMJ and isokinetic strength. The correlation between variables was analyzed by the step-wise method of multiple regression analysis after analyzing the correlation between d
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Crotty, N. M. Nuala, Katherine A. J. Daniels, Ciaran McFadden, Niall Cafferkey, and Enda King. "Relationship Between Isokinetic Knee Strength and Single-Leg Drop Jump Performance 9 Months After ACL Reconstruction." Orthopaedic Journal of Sports Medicine 10, no. 1 (2022): 232596712110638. http://dx.doi.org/10.1177/23259671211063800.

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Background: Deficits in knee strength after anterior cruciate ligament reconstruction (ACLR) surgery are common. Deficits in the single-leg drop jump (SLDJ), a test of plyometric ability, are also found. Purpose: To examine the relationship between isokinetic knee strength, SLDJ performance, and self-reported knee function 9 months after ACLR. Study Design: Cross-sectional study; Level of evidence, 3. Methods: Knee isokinetic peak torque, SLDJ jump height, contact time, and reactive strength index (RSI), as well as International Knee Documentation Committee (IKDC) scores were assessed in 116 m
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Kobayashi, Yuji, Junjiro Kubo, Takeo Matsubayashi, Akifumi Matsuo, Kando Kobayashi, and Naokata Ishii. "Relationship Between Bilateral Differences in Single-Leg Jumps and Asymmetry in Isokinetic Knee Strength." Journal of Applied Biomechanics 29, no. 1 (2013): 61–67. http://dx.doi.org/10.1123/jab.29.1.61.

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The aims of the study were to investigate the differences in kinematics and kinetics between the dominant and nondominant leg during single-leg jumps without arm swing, and to determine the relationship between bilateral asymmetry in isokinetic knee strength and the single-leg jump. Isokinetic knee strength and single-leg jump kinematics and kinetics were measured in 11 male participants. The bilateral asymmetry index was calculated for each parameter. For isokinetic knee strength, there were no significant differences between the dominant and nondominant legs. Significant correlations were ob
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Kim, Hyun-mok, Chang-kook Kim, Jung-wook Lee, and Sung-hwan Lee. "The Effects of a Rehabilitation Exercise Program After Posterior Cruciate Ligament (PCL) Reconstruction Between Genders." Asian Journal of Kinesiology 24, no. 1 (2022): 39–45. http://dx.doi.org/10.15758/ajk.2022.24.1.39.

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OBJECTIVES The purpose of this study was to examine the effects of a rehabilitation exercise program after posterior cruciate ligament (PCL) reconstruction between genders.METHODS The research subjects were 22 patients who had posterior cruciate ligament reconstruction. They were divided into Male Group (n=11) and Female Group (n=11). The dependent variable was Lysholm knee score, IKDC (International Knee Document Committee) score, isokinetic muscle strength of knee joint, which it was measured Pre-Op (Previous Operation) and during the 24-week rehabilitation exercise program period, it was me
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Li, Zongzhen. "ISOKINETIC MUSCLE STRENGTH TESTING AND TECHNOLOGY OF TRAINING IN SPORTS MEDICINE." Revista Brasileira de Medicina do Esporte 28, no. 6 (2022): 757–59. http://dx.doi.org/10.1590/1517-8692202228062022_0050.

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ABSTRACT Introduction Current research in sports medicine on muscles adjacent to joints in patients with joint instability focuses on functional instability. However, few studies on muscle strength in the muscles adjacent to the joints in typical patients. Objective This study tests the changes in isokinetic muscle strength in flexion-extension muscle groups in common subjects’ knees and elbows. Methods Randomly selected ordinary citizens to perform isokinetic muscle strength testing with grip strength, explosive pedaling force, and elbow and knee joint movement speeds of 60°/s. Results The si
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Carlson, Kevin. "Assessment of Post-Rehabilitation ACL Reconstructed Knees." International Journal of Kinesiology and Sports Science 8, no. 2 (2020): 33. http://dx.doi.org/10.7575//aiac.ijkss.v.8n.2p.33.

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Background: Understanding objective measures of ACL-reconstructed knee function is important in determining the efficacy of rehabilitation protocols and a patient’s return to activities of daily living and sport activities. Objective: To assess the range of motion (ROM), isokinetic strength (torque) and functional performance measures (hop test) of ACL-reconstructed and ACL-intact knees. Methods: Twelve volunteers (5 females, 7 males) with unilateral ACL injury and reconstruction were given a battery of tests (hop test for distance, knee range of motion, knee extensor isokinetic testing to ass
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Johannsson, Gudmundur, Gunnar Grimby, Katharina Stibrant Sunnerhagen, and Bengt-Åke Bengtsson. "Two Years of Growth Hormone (GH) Treatment Increase Isometric and Isokinetic Muscle Strength in GH-Deficient Adults*." Journal of Clinical Endocrinology & Metabolism 82, no. 9 (1997): 2877–84. http://dx.doi.org/10.1210/jcem.82.9.4204.

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Abstract GH deficiency in adults is associated with reduced muscle mass and muscle strength. The objective of this trial was to follow the effect of 2 yr of GH treatment in GH-deficient adults on muscle performance in relation to a reference population. Knee extensor and flexor strengths for isometric and isokinetic concentric muscle strength were measured using a Kin-Com dynamometer. Hand-grip strength was measured in both hands. The fatigue index was calculated as the percent reduction in peak torque at 50 repeated isokinetic knee extensions. Superimposed, single twitch electrical stimulatio
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Patel, Rohita R., Debra E. Hurwitz, Charles A. Bush-Joseph, Bernard R. Bach, and Thomas P. Andriacchi. "Comparison of Clinical and Dynamic Knee Function in Patients with Anterior Cruciate Ligament Deficiency." American Journal of Sports Medicine 31, no. 1 (2003): 68–74. http://dx.doi.org/10.1177/03635465030310012301.

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Background Whether passive measures of isokinetic muscle strength deficits and knee laxity are related to the dynamic function of the anterior cruciate ligament-deficient knee remains unclear. Hypotheses Arthrometer measurements are not predictive of peak external knee flexion moment (net quadriceps muscle moment), isokinetic quadriceps muscle strength correlates with peak external knee flexion moment (net quadriceps muscle moment), and isokinetic hamstring muscle strength correlates with peak external knee extension moment (net flexor muscle moment). Study Design Cross-sectional study. Method
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Dissertations / Theses on the topic "Isokinetic knee strength"

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Bogner, Jo-Anne Lesley Lee. "Discrimination between sincere and deceptive isokinetic knee extension response using segmental curve analysis." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08182009-040334/.

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Blazquez, Ivan. "An Optimal Interset Rest Period For Strength Recovery During A Common Isokinetic Test." ScholarWorks@UNO, 2008. http://scholarworks.uno.edu/td/833.

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Introduction: Isokinetic testing is used in rehabilitation settings on a regular basis, yet there is a lack of consistency in rest period usage among protocols. Purpose: The purpose of this study was to establish an optimal rest period that would allow reproducibility of strength during a common isokinetic strength-test. Methods: Twentyseven healthy college-aged males underwent isokinetic strength testing to determine peak torque at 60, 180 and 300 deg/sec, respectively. Work:rest ratios of 1:3, 1:8 and 1:12 were counterbalanced between sets. A 3 X 3 repeated measures ANOVA was used to analyze
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Eustace, Steven. "A critical appraisal of isokinetic knee flexor-extensor strength profiling in elite soccer players." Thesis, Edge Hill University, 2019. http://repository.edgehill.ac.uk/11101/.

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Epidemiological research has identified thigh musculature and knee ligament injuries are of most concern in professional soccer. With strength identified as a modifiable risk factor, isokinetic dynamometry has become a popular means of injury screening. However, isokinetic assessments are criticised based on their lack of functional relevance to injury aetiology. Study one describes isokinetic screening of the thigh musculature in an elite cohort of male soccer players assessed at 60, 180 and 270º·s-1 across four knee joint angles (70-40°). This study identified strength characteristics were v
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Boerem, David L. "Peak isokinetic torque of knee flexors and extensor muscles of college football players." Scholarly Commons, 1987. https://scholarlycommons.pacific.edu/uop_etds/499.

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The problem of the study addressed knee injuries in college football. Imbalance of the musculature surrounding the knee would predispose the athlete to knee injury. Recognition of those who have muscular deficiencies would be a primary way of preventing knee injuries. The focus of the study was to determine if there was a significant difference in peak isokinetic torque of knee flexor and extensor muscles across speeds (60 degrees/second, 180 degrees/ second and 300 degrees/second) of a college football team subsequent to participation in a spring football season.
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Schultz, Adrian Brent. "The influence of an adapted knee angle, as determined by isokinetic assessment, on sprint starting performance." Thesis, University of Port Elizabeth, 2004. http://hdl.handle.net/10948/317.

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Muscle strength has been identified as an important contributor to athletic performance. Little attention however, has been paid to the specific relationship between peak isokinetic muscle strength and sprint starting performance. The aim of this study was to determine the influence of an adapted front knee angle, as determined by isokinetic assessment (the angle of peak torque production), on starting performance. Sixteen track sprinters, of elite-national or competitive-regional standard, were asked to perform eight sprints over 50m using four separate starting techniques. Technique 1 featur
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Salci, Yasar. "Effects Of Eccentric Hamstring Training On Lower Extremity Strength &amp." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609693/index.pdf.

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The purpose of this study was to display increase in eccentric hamstring strength after 10-weeks training program. Secondly, if such an increase occurred, would this strength change result in altered landing kinetics and improved jumping performance? 27 recreational female athletes assigned into experimental (n = 14) and control (n = 13) groups. Baseline measures of landing kinetics were collected using a force plate, strength data and proprioceptive measurements were evaluated using an isokinetic dynamometer and vertical jump performance were determined by a jumping mat. Results indicated th
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Tansel, Rifat Baran. "Effects Of 5 Week Nordic Hamstring Strength Training On 10-12 Years Old Male Basketball Players." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607913/index.pdf.

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The purpose of this study was to investigate the effects of Nordic hamstring strength training (NHST) program on (1) leg power, (2) vertical jump, (3) and knee proprioception measurements of 10-12 years old male basketball players. Nordic Hamstring Strength Training (NHST) group (N=16), participated in basketball training plus in Nordic hamstring strength training, while the control group (N=11) participated in basketball training only. Subjects were tested before and after 5-week training program for, vertical jump, isokinetic leg strength and knee proprioception. Each subject who agreed to p
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Bastos, João Hermínio Vilar da Silva. "Efeitos do Kinesio Taping na força muscular do quadríceps." Master's thesis, [s.n.], 2014. http://hdl.handle.net/10284/4778.

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Trabalho de Projeto apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Mestre em Fisioterapia, ramo de Fisioterapia Desportiva<br>O uso do Kinesio Taping (KT) na vertente músculo-esquelética está bastante em voga na atualidade. Objetivo: Verificar se a técnica de facilitação muscular, através da aplicação do KT, promove uma alteração significativa na força do quadríceps, e avaliar a sua efetividade imediata, 48 e 72 horas após aplicação. Metodologia: Foram utilizados 30 jovens atletas saudáveis (média de idades de 13,40 ± 0,50 anos) na aplicação de KT
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Duarte, João Pedro Marques. "Isokinetic knee joint muscles strength." Doctoral thesis, 2019. http://hdl.handle.net/10316/87573.

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Tese de Doutoramento em Ciências do Desporto, no ramo de Treino Desportivo, apresentada à Faculdade de Ciências do Desporto e Educação Física da Universidade de Coimbra<br>A presente Tese está dividida em quatro secções e tem como objetivo principal a compreensão da relação entre (o desenvolvimento da) a força muscular do membro inferior, o tamanho e composição corporal, e a maturação biológica, usando uma abordagem multidisciplinar. A primeira parte proporciona uma descrição exaustiva dos participantes considerados nos diferentes estudos, bem como do material, dos métodos e das variáveis aval
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Jensen, Kristie Ann. "The effects of knee effusion on quadriceps strength and intra-articular pressure of the knee during isokinetic exercise." 1990. http://catalog.hathitrust.org/api/volumes/oclc/23677335.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1990.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 57-62).
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Books on the topic "Isokinetic knee strength"

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The effects of ballet training on isokinetic strength, power, and muscular endurance. 1987.

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The effects of ballet training on isokinetic strength, power, and muscular endurance. 1987.

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Effects of high frequency electromuscular stimulation on isokinetic strength of the quadriceps muscle group in active, young adults. 1985.

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Effects of high frequency electromuscular stimulation on isokinetic strength of the quadriceps muscle group in active, young adults. 1987.

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The effects of warm-up on isokinetic muscle testing. 1987.

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The effects of warm-up on isokinetic muscle testing. 1987.

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The effects of warm-up on isokinetic muscle testing. 1987.

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The effects of warm-up on isokinetic muscle testing. 1987.

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The effects of warm-up on isokinetic muscle testing. 1987.

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Internal consistency reliability of isokinetic response measures in knee injured subjects using segmental curve analysis. 1990.

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Book chapters on the topic "Isokinetic knee strength"

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Kipfer, W. C., B. Grünig, P. M. Ballmer, R. Zehnder, and R. P. Jakob. "Isokinetic Testing to Evaluate Quadriceps and Hamstring Strength after a Primary Anterior Cruciate Ligament Repair or Reconstruction." In The Knee and the Cruciate Ligaments. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84463-8_65.

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"Bilateral Isokinetic Knee Strength Profiles in Trained Junior Soccer Players and Untrained Individuals." In Science and Football V. Routledge, 2005. http://dx.doi.org/10.4324/9780203412992-168.

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Khan, Roshta, Farheen Nisha Afreen, Zeba Parveen, Anam Siddiqui, and Shaila Khan. "FUTURISTIC ROLE OF ISOKINETIC IN DIFFERENT ASPECTS OF REHABILITATION IN DIABETIC PATIENT: A HOLISTIC APPROACH." In Futuristic Trends in Medical Sciences Volume 3 Book 18. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bbms18p2ch5.

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There is sufficient evidence that people with diabetes have significantly reduced maximal muscle power in their lower limbs compared to healthy controls. The muscular strength of the knee flexor and extensor was reported to have decreased by 17% and 14%, respectively, by the authors. A decrease in walking activity has also been associated with neuropathy and weaker muscles, which can also result in balance impairment and inadequate gait control. People with DM are more likely to fall because of deteriorating sensory capacity and the significance of Sensory inputs from the periphery in modulati
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Conference papers on the topic "Isokinetic knee strength"

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Zaman, Rahid, and Yujiang Xiang. "Squat Lifting Motion Prediction With Heavy Load Considering Dynamic Strength of Knee Joint." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67933.

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This paper studies the knee joint dynamic strength modeling and simulation for squat lifting with heavy loads. The dynamic strength is modeled as a three-dimensional function of joint angle and velocity based on experimental isometric and isokinetic strength data. Then the dynamic strength function is formulated as joint torque limits in an inverse dynamics based optimization formulation. By using this formulation, squat lifting is predicted with heavy loads. An enumeration procedure is introduced to predict maximum lifting weight under various lifting conditions by considering dynamic strengt
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Khalaf, Kinda A., Mohamad Parnianpour, and Tasos Karakostas. "Surface Response of Isokinetic Lower-Extremity Joint Strength: Towards the Evaluation of Dynamic Human Performance." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0098.

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Abstract The dynamic strength surface response was modeled for the ankle, knee, and hip joints of twenty normal subjects Such representation may be used as a “performance capacity envelope” to comprehensively characterize an individual’s dynamic joint strength performance. Potential applications cover a wide spectrum ranging from rehabilitation to ergonomic and biomechanical applications.
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Sun, Yuliang. "Influence of knee osteoarthritis and aging on isokinetic muscle strength of the lower limbs in women." In 2016 2nd International Conference on Economics, Management Engineering and Education Technology (ICEMEET 2016). Atlantis Press, 2017. http://dx.doi.org/10.2991/icemeet-16.2017.127.

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Ren, Yanjing, Tian Yue, and Fengxue Qi. "Isokinetic strength training improves motor function in a Chinese classical dancer with knee injury: a case report." In 2021 International Conference on Health Big Data and Smart Sports (HBDSS). IEEE, 2021. http://dx.doi.org/10.1109/hbdss54392.2021.00020.

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Madsen, OR, and C. Egsmose. "THU0143 Associations of walking ability to isokinetic knee extensor and flexor strength in women with rheumatoid arthritis (ra)." In Annual European Congress of Rheumatology, Annals of the rheumatic diseases ARD July 2001. BMJ Publishing Group Ltd and European League Against Rheumatism, 2001. http://dx.doi.org/10.1136/annrheumdis-2001.1045.

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Deak, Gratielaflavia, Iuliana Borosbalint, and Barna Szabocsifo. "EFFECTS OF DIFFERENT WHOLE BODY VIBRATION FREQUENCIES ON THE MAXIMAL ISOMETRIC FORCE GENERATED BY QUADRICEPS MUSCLES." In eLSE 2016. Carol I National Defence University Publishing House, 2016. http://dx.doi.org/10.12753/2066-026x-16-227.

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Purpose. Whole Body Vibration (WBV) might be considered an alternative to the traditional resistance training methods. This study was aimed at investigating the effects of three different WBV frequencies on the maximum isometric knee extensor strength in untrained adults. Methods. Twenty volunteers participated in this study. They were all students enrolled at the Babes-Bolyai University of Cluj-Napoca. The participants were exposed to vertical vibrations, generated by the Fitvibe Excel Pro vibration platform, with frequencies of 30, 50 and 60 Hz, respectively. Mean forces were recorded for bo
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