뇌졸중 환자의 비마비측 슬관절 등척성 수축시 각도와 운동 방향이 마비측 대퇴사두근 활성도에 미치는 영향

• 영문명: Effects of Angle and Direction of Maximal Isometric Contraction of Non-Hemiparetic Knee on Electromyographic Activity of Hemiparetic Quadriceps Femoris in Patients With Stroke
• 발행기관: 한국전문물리치료학회
• 저자명: 기경일(Kyong-il Ki) 김선엽(Suhn-yeop Kim) 오덕원(Duck-won Oh) 최종덕(Jong-duk Choi) 김경환(Kyung-hwan Kim)
• 간행물 정보: 『한국전문물리치료학회지』한국전문물리치료학회지 제17권 제2호, 1~9쪽, 전체 9쪽
• 주제분류: 의약학 > 의학일반
• 파일형태: PDF
• 발행일자: 2010.05.30

영문 초록

To develop effective training methods for strengthening a weakened quadriceps femoris muscle in hemiplegic patients, we examined the effects of maximal isometric contraction of the nonparalyzed knee joint on the electromyographic activities of the paralytic muscle. An electromyogram (EMG) was used to record the electromyographic activities of the paralytic quadriceps femoris muscle in 27 hemiplegic patients. The maximal isometric contraction was measured for each subject to normalize the electromyographic activities. The maximal isometric extension and flexion exercises were randomly conducted when the knee joint angles of the nonparalyzed knees were 0°, 45°, and 90°. The patients were encouraged to maintain maximal isometric contractions in both knee joints during each measurement, and three measurements were taken. A one-minute rest interval was given between each measurement to minimize the effects of muscle fatigue. An average from the three values was taken as being the root mean square of the EMG and was recorded as being the maximal isometric contraction. The electromyographic activity obtained for each measurement was expressed as a percentage of the reference voluntary contraction, which was determined using the values obtained during the maximal isometric contraction. The results of this study are summarized as follows: First, when the knee joint angle of the nonparalyzed knee was 0°, the electromyographic activities of the paralytic medil aspect of rectus femoris were related to measurement by a maximal isometric flexion exercise than by an extension exercise (p<.05). Second, when the knee joint angle of the nonparalyzed knee was 90°, the electromyographic activities of the paralytic lateral aspect of rectus femoris were related to measurement by a maximal isometric flexion exercise than by an extension exercise (p<.05). The results show that myoelectrical activities of paralytic quardriceps were not related to measurement angles and exercise directions of the nonparalized knee joint. Studies on various indirect intervention to improve muscular strength of patients with nervous system disorders of the weakened muscle should be constantly conducted

목차

I. 서론

II. 연구방법

III. 결과

IV. 고찰

V. 결론

키워드

Cross education Electromyographic activities Hemiplegic patient Isometric exercise Quadriceps femoris muscle