Effects of the slow speed-targeting squat exercise on the vastus medialis
oblique/vastus lateralis muscle ratio |
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| Authors: | Won-Gyu Yoo |
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| Institution: | 1) Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University, Republic of Korea |
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| Abstract: | Purpose] This study investigated the effects of the slow speed-targeting squat exercise
on the vastus medialis oblique/vastus lateralis ratio. Subjects] Ten asymptomatic men
were recruited. Methods] The EMG activities of the vastus medialis oblique and vastus
lateralis muscles were recorded using surface electrodes. The subject performed the squat
exercise under 3 different conditions. Results] The vastus medialis oblique/vastus
lateralis ratio in condition 2 (1.5 ± 0.7) was significantly higher than that in
conditions 1 and 3 (1.0 ± 0.5, 1.1 ± 0.8, respectively) Conclusion] Therefore, an
effectively slow movement speed is recommended for selective strengthening of vastus
medialis oblique using a slow speed-targeting device that provides biofeedback.Key words: Slow movement speed, Squat exercise, VMO |
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