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어깨 벌림 동안 등척성 운동이 몸통 근육의 활성도에 미치는 영향
오덕원 청주대학교 보건의료과학연구소 2021 보건의료과학연구 Vol.10 No.1
The purpose of this study was to investigate the effects of isometric exercises during shoulder abduction on trunk muscles in healthy young females. Twenty subjects voluntarily participated in this study. Subjects underwent isometric abduction and adduction exercises for 5 seconds with shoulder abducted at 90° in scapular plane, respectively. To maintain submaximal static contraction, the level of resistance for isometric exercise was determined at 50% of maximal force on each muscle. Electromyographic activities on the rectus abdominis (RA), internal obliques (IO), erector spinae (ES), and multifidus (MF) were measured during each exercise. Results appeared to be significantly different for IO, ES, and MF between the two isometric exercises (p<0.05). And IO/RA ratio also showed statistically significant differences between the exercises (p<0.05). These findings suggest that isometric exercise with abduction effort during shoulder abduction might be more beneficial to improve the relative use of local muscles to global muscles of trunk when compared to isometric exercise with adduction effort. Further studies need to warrant our results.
흉부 유연성 운동이 척추측만증 환자의 폐활량과 흉곽 확장에 미치는 영향
심재훈,오덕원,이규완 한국전문물리치료학회 2002 한국전문물리치료학회지 Vol.9 No.2
The objectives of this study were to investigate the effects of thoracic flexibility exercise on chest function and mobility and to provide the information of physical therapy for patients with idiopathic scoliosis. Forty female subjects who were diagnosed with scoliosis participated in this study and were divided into the experimental and control groups. The experimental group consisted of 20 patients who were treated with thoracic flexibility exercise program during the admission (10 days) and one month after discharge. The control group consisted of 20 patients who were not treated with thoracic flexibility exercise program. Vital capacity was measured using a respirometer. The chest expansion were calculated using differences of chest circumference between maximum inspiration and maximum expiration measured under armpits, at the junction between the sternum and xyphoid process, and at the waist. All subjects were measured two times: before the admission and at one month after discharge. Data were compared by groups using independent t-test. Vital capacity and chest expansion values (the armpit, chest and waist values) were significantly higher for the experimental group compared to those of the control group (p<.05). The findings of this study show that thoracic flexibility exercise program can lead to an increase in vital capacity and chest expansion and has a positive effects in relieving symptoms and restoring thoracic mobility.