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논문 기본 정보

자료유형
학술저널
저자정보
Saerin Lee (Inje University) Duk-hyun An (Inje University)
저널정보
한국전문물리치료학회 한국전문물리치료학회지 한국전문물리치료학회지 제30권 제1호
발행연도
2023.2
수록면
8 - 14 (7page)
DOI
10.12674/ptk.2023.30.1.8

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초록· 키워드

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Background: Excessive hamstring (HS) activation due to the weakness of the gluteus maxi-mus (GM) causes pain in the hip joint. A single-leg deadlift is a hip extensor exercise, espe-cially GM, that includes functional movements in daily life and complex multi-joint training. In single-leg deadlift, the muscle activity depends on the forward trunk lean angle, and it's necessary to study which muscles are used dominantly depending on the angle. Objects: The purpose of this study was to compare the effect on the muscle activity of the GM and HS during single-leg deadlift according to different forward trunk lean angles and the ratio of the GM vs HS (GM/HS). Methods: Twenty-one healthy female participants were recruited. The muscles activities of the GM, HS and the GM/HS ratio were measured through electromyography during single-leg deadlift according to three condition of forward trunk lean angles (30°, 60°, and 90°). Results: The GM and HS activities significantly differed among three conditions (p < 0.05). GM/HS ratio was significantly higher at 30°and 60° of forward trunk lean compared to 90°. Moreover, the GM activity was significantly higher at 60°of forward trunk lean than at 30° (p < 0.05). Conclusion: The single-leg deadlift at 60°of forward trunk lean is a proper GM muscle strengthening exercise.

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