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KMID : 1211620210160010041
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Journal of the Korean Society of Physical Medicine
2021 Volume.16 No. 1 p.41 ~ p.48
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Effect of Squat Exercise Combined with Whole Body Vibration Exercise on Muscle Activity and Muscle Fatigue of Quadriceps in Patients with Patellofemoral Pain Syndrome
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Kang Jeong-Il
Moon Young-Jun
Jeong Dae-Keun
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Abstract
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PURPOSE: The purpose of this study was to provide fundamental clinical data to be used in therapeutic approach to patients with patellofemoral pain syndrome by administrating the squat exercise combined with whole body vibration exercise to them and investigating the effect of such exercise to leg muscle activity and muscle fatigue.
METHODS: The patients with patellofemoral pain syndrome were randomly assigned to experimental group I (n = 9) where only squat exercise was administered and experimental group II (n = 9) where the squat exercise combined with whole body vibration exercise was provided. The intervention program was administered for two weeks, four days a week, one session a day, three set a session, and 20 reps a set. The pre- and post-test were performed to measure muscle activity and muscle fatigue of vastus medialis and vastus lateralis.
RESULTS: The muscle activity significantly changed in both group (p < .05, p < .01, respectively) and the muscle fatigue showed significant change only in group I (p < .05).
In addition, there was significant difference between groups in change of muscle fatigue of both muscles (p < .05) but not in change of muscle activity.
CONCLUSION: The results showed that both exercise are effective in improving muscle activity, however, that the squat exercise combined with whole body vibration exercise is more effective in preventing muscle fatigue.
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KEYWORD
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Muscle activity, Muscle fatigue, Patellar femoral pain syndrome, Whole body vibration exercise
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