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KMID : 1206220180250010020
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Journal of Korean Academy of Physical Therapy Science
2018 Volume.25 No. 1 p.20 ~ p.30
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The Effects of Lower Muscle Activity of Squat Exercise on Supporting Surface and Visual Feedback
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Lee Jin
Bang Hyun-Soo
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Abstract
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Background: This study evaluates the effects of lower muscle activity of squat exercise on supporting surface and visual feedback.
Methods: The subjects include 30 healthy subjects. To measure muscle activation of the lower limb during squat exercise(stable and unstable surface, visual and unvisual). For evaluation of muscle activation(rectus femoris, biceps femoris), was measured using the Electromyogram, EMG was used.
Results: The results shows that Rectus Femoris(RF) and Biceps Femoris(BF) muscle activations were significantly (p<0.05) difference in unvisual-unstable surface(USUV), unvisual-stable surface(SUV), visual-unstable surface(USA), and visual-stable surface(SV) during squat exercise.
Conclusion: Squat exercise can improve muscle activation of the lowe limb. particularly, unvisual-unstable surface during squat exercise can improve muscle activation of the lowe limb.
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KEYWORD
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Electromyography , Muscle activation , Squat Exercise
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