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RMJ. 2017; 42(3): 320-325


Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain

Tahir Masood, Hafiz Muhammad Manan Haider Khan.

Abstract
Objective: To compare the effects of isokinetic and isometric strength trainings on hamstring and quadriceps average-peak-torques, physical performance, and pain.
Methodology: Twenty athletes with knee pain were randomly assigned to two equal groups: Isokinetic training and isometric training. Both groups were trained on Biodex System 3 Pro for 10 sessions. Isokinetic-group received isokinetic training on 5 different velocities while isometric-group performed isometric contractions at 3 knee joint angles.
Results: Hamstring isokinetic average-peak-torque was significantly higher at all velocities without significant improvement in quadriceps average-peak-torque except for at the slowest velocity. Isometric training did not cause significant change in isometric average-peak-torque at any knee angle for either hamstring or quadriceps. Agility, elastic leg strength, and pain improved significantly in both groups with no significant between-group differences. No significant statistical correlation was observed between pain and any other parameter after either type of training.
Conclusions: Athletes participating in sports requiring dynamic hamstring strength should prefer isokinetic strength training for physical rehabilitation of knee pain. However, physical performance and pain can be improved with both isometric and isokinetic strength training.

Key words: Isokinetic, isometric, Biodex, torque, agility, knee-pain.


 
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How to Cite this Article
Pubmed Style

Masood T, Khan HMMH. Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. RMJ. 2017; 42(3): 320-325.



Web Style

Masood T, Khan HMMH. Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. www.scopemed.org/?mno=257067 [Access: October 20, 2017].



AMA (American Medical Association) Style

Masood T, Khan HMMH. Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. RMJ. 2017; 42(3): 320-325.



Vancouver/ICMJE Style

Masood T, Khan HMMH. Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. RMJ. (2017), [cited October 20, 2017]; 42(3): 320-325.



Harvard Style

Masood, T. & Khan, H. M. M. H. (2017) Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. RMJ, 42 (3), 320-325.



Turabian Style

Masood, Tahir, and Hafiz Muhammad Manan Haider Khan. 2017. Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. Rawal Medical Journal, 42 (3), 320-325.



Chicago Style

Masood, Tahir, and Hafiz Muhammad Manan Haider Khan. "Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain." Rawal Medical Journal 42 (2017), 320-325.



MLA (The Modern Language Association) Style

Masood, Tahir, and Hafiz Muhammad Manan Haider Khan. "Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain." Rawal Medical Journal 42.3 (2017), 320-325. Print.



APA (American Psychological Association) Style

Masood, T. & Khan, H. M. M. H. (2017) Comparison of isokinetic and isometric strength training effects on hamstring and quadriceps torques and physical function in knee pain. Rawal Medical Journal, 42 (3), 320-325.




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