- 영문명
- Rectus Femoris Action Potentials under 4 Positions during Straight Leg Raising
- 발행기관
- 한국전문물리치료학회
- 저자명
- 김호성(Kim Ho-sung) 유창준(Yu Chang-joon) 홍승호(Hong Seung-ho) 구애련(Marion E. Current)
- 간행물 정보
- 『한국전문물리치료학회지』한국전문물리치료학회지 제2권 제1호, 44~50쪽, 전체 7쪽
- 주제분류
- 의약학 > 의학일반
- 파일형태
- 발행일자
- 1995.06.30

국문 초록
영문 초록
The purpose of this study was to investigate which of 4 positions produced the highest action potential in the rectus femoris muscle of normal adult subjects. Testing was performed in supine with the right leg performing a simple straight leg raise with the knee fully extended. The left leg, performing a simple straight leg raise with the knee fully extended. The left leg, however, was placed in 4 different positions:
1. Full support with 0°flexion.
2. Flexed on the plinth with 60°knee flexion and foot flat.
3. Same as N0.2 but with 90° knee flexion.
4. Left leg hanging over the end of the plinth with 90°knee flexion, 0°hip flexion and no foot support.
This study was designed to compare the level of electromyographic activity of the rectus femoris under 4 positions. Fourty-three healthy young adults performed there trials of each exercise condition in random order in the supine position. Electromyographic activity was recorded from surface electrodes. Rectus femoris action potentials in all 4 positions were significantly different. The highest action potential at the end of movement of the right leg occurred with the left leg hanging over the end of the plinth with 90°knee flexion. It is therefore recommended the straight leg raising be performed with the contralateral leg flexed at 90° over the end of the supporting surface to obtain a maximum rectus femoris isometric contraction.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 고찰
Ⅴ. 결론
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