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- 저자 : 정미라(Mi La Jeong) (검색결과 2 건)
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서국웅(Kook Woong Seo),정미라(Mi La Jeong) 한국체육교육학회 2000 한국체육교육학회지 Vol.4 No.2
The study is to find out the amplitude changes of electromyographic signals of four muscles of support limb according to the aerobic dance kick types(knee-up, long-kick, high-kick) and the speed(BYM 120, 140, 160)changes. To do this, We select 6 female aerobic dancers over 3 years career. $quot;This study is also to utilize the fundamental data for preventing usual injuries by comparing these muscle load rate. The result of this study is as follows 1. Exercise intensity show in turn by high-kick, long-kick, knee-up according to kick types in 13YM 120, 190, 160 of muscular conductivity value. 2. Muscle load rate show the constant in turn by gastrocnemius muscle, tibialis anterior muscle, vastus lateralis muscle, vastus medialis muscle without any relation Co kick types in BYM 120, 140, 1 EiO. 3. Gastrocnenuus muscle is the highest of muscular conductivity value and load rate.
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여자 테니스 선수의 양손 백핸드 스트로크 동작시 상지의 근전도 분석
유국종,서국웅,윤양진,이훈식,정미라,서국은 한국운동역학회 2000 한국운동역학회지 Vol.9 No.2
This study analzed AEMG, muscle activity duration time, peak value and work load of six high school student players, three college student players, three business team players in order to analyze Arm's EMG when they play games with two-handed backhand stroke. The instruments of measuring EMG are muscle tester ME3000p. And measured parts of muscle are the triceps brachii, biceps brachii, brachioradialis and flexor carpi radialis of body left and right arm. The following is the result according to the analysis of raw data and statistics. 1. The AEMG of trained group was higher than the untrained. In both groups AEMG of right arm was higher than left one. And AEMG of forearm was higher than upperarm. The order of high AEMG among the trained is as followed ; right biceps brachii, left brachii, right brachioradialis. Among the untrained ; right brachioradialis, left brachioradialis, biceps brachii. 2. The muscle activity duration time of the trained group was totally shorter than the untrained. In both groups muscle activity duration time of the right arm was shorter than the left one. As to trained muscle activity duration time of upperarm is shorter than the forearm. Contrarily, as to untrained muscle activity duration time forearm is shorter than the upperarm. The order of short muscle activity duration time among the trained is as followed ; right biceps brachii, triceps brachii, left flexor carpi radialis. 3. The peak value of trained group was higher than the untrained. In body groups peak value of the right arm was higher than the left one. As to the trained the peak of the upperarm is higher than the forearm. Contrarily, as to the untrained, the peak value of the forearm was higher the upperarm. The order of high peak value among the trained is as followed ; right biceps brachii, left biceps brachii, right brachioradialis. Among the untrained, right brachioradialis, left biceps brachii, brachioradialis.
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