앉은 자세에서 일어서기 시 발의 너비와 팔의 자세 변화에 따른 근활성도
Muscle Activity of the Trunk Muscle According to Change of the Leg Width and Arm Posture during Sit to Stand
제민욱, 이한숙,
소속 상세정보
제민욱 ( Jae Min-Wook )
을지대학교 물리치료학과
이한숙 ( Lee Han-Suk )
을지대학교 물리치료학과
Abstract
PURPOSE: This study was conducted to evaluate the activity of trunk muscles according to width of the foot and posture of the arm during sit to stand (STS).
METHODS: Thirty subjects were recruited and examined for variation in muscle activity of the erector spine, gluteus maximus, gluteus medius and external oblique during different STS conditions; namely, the cross arm basic sit to stand (CBSTS), overhead basic sit to stand (OBSTS), cross arm wide sit to stand (CWSTS), and overhead wide sit to stand (OWSTS). Repeated measures ANOVA (Analysis of Variance) was used for analysis.
RESULTS: Erector spinae muscle activity showed a significant increase in the OBSTS condition (p<.05) and external oblique muscle activity showed a significant increase in the OWSTS condition (p<.05). There was no significant difference in the activity of the gluteus maximus and gluteus medius under any conditions (p>.05).
CONCLUSION: During evaluation of the performance of the STS, the CWSTS condition will be useful to decrease the muscle activity of the erector spinae and the OWSTS condition will be useful to increase the muscle activity of the external oblique. The results of this study can be used as an index to find a suitable exercise method for subjects who have back pain or to strengthen the abdomen.
키워드
Sit to stand; Foot; Arm; Muscle activity
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