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KMID : 0357220220340050267
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Journal of Korean Society Physical Therapy
2022 Volume.34 No. 5 p.267 ~ p.271
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The Effect of One Leg Deadlift Exercise on the Muscle Activity of Lower Extremities according to the Weight Characteristics
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Park Tae-Geun
Lee Jae-Kwang
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Abstract
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Purpose: This study examined the effects of a kettlebell and aqua bag on the gluteus maximus, gluteus medius, and vastus medialis lower extremity muscle strength during a one-leg deadlift, a top-down exercise.
Methods: Twenty healthy adults were enrolled in the one-leg deadlift exercise under two conditions. The muscle activity of the gluteus maximus, gluteus medius, and vastus medialis was measured by surface electromyography (S-EMG). A paired t-test was used for statistical analysis, and the statistical significance criteria were set to p<0.05.
Results: A comparison of the muscle activity according to the degree of contraction of the gluteus maximus revealed low muscle activity in AD exercise compared to KD exercise (p<0.05), and there was no significant difference in the gluteus medius and vastus medialis (p<0.05).
Conclusion: These results suggest that when the one-leg deadlift exercise is performed according to the weight characteristics, the gluteus maximus is suitable for intervention using a kettlebell, and the gluteus medius and vastus medialis are more suitable for intervention by providing instability using an aqua bag.
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KEYWORD
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Kettlebell, Aqua bag, One leg deadlift, Top-down
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