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고관절 신전속도가 슬괵근에 대한 대둔근의 상대적 근수축 개시시간에 미치는 영향
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  • 고관절 신전속도가 슬괵근에 대한 대둔근의 상대적 근수축 개시시간에 미치는 영향
저자명
장영진,고은혜,노정석,신헌석,김택훈,Chang. Young-Jin,Ko. Eun-Hye,Roh. Jung-Suk,Cynn. Heon-Seock,Kim. Tack-Hoon
간행물명
한국전문물리치료학회지
권/호정보
2006년|13권 2호|pp.70-76 (7 pages)
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한국전문물리치료학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The purpose of this study was to investigate the effects of hip extension velocity (7.5 degree/second, 30 degree/second) on the relative onset time of the gluteus maximus in relation to the hamstring during hip extension in prone position. Thirteen healthy male subjects (mean age=22.6 years [SD=1.8], mean weight=73.4 kg [SD=10.3], mean height=176.1 cm [SD=6.3]) voluntarily participated in this study. Electromyographic data was collected on the gluteus maximus and hamstring to determine onset time. Statistical analyses were performed with the paired t-test. The results showed that the onset time of the hamstring was significantly faster than that of the gluteus maximus in both fast and slow hip extension velocity. The gluteus maximus began contraction .079 seconds later following the contraction of the hamstring. The onset time of the hamstring was significantly faster in fast hip extension velocity compared with slow hip extension velocity. In conclusion, it was determined that the onset time of the gluteus maximus was faster with fast hip extension velocity compared with slow hip extension velocity. There was a statistically significant difference between the onset times of the gluteus maximus and hamstring in relation to the two velocities (p<.05). Further study is needed to examine whether the velocity of hip extension can influence the onset time in a similar fashion in patients with low back pain.