レスリング技術種目のエネルギー代謝率と下肢運動の役割

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Roles of muscular activities of lower extremities in wrestling techniques were studied by electrogoniogram and electromyogram and by expired-gas analysis. From these results, characteristcs of leg motions in wrestling techniques and energy metabolism of each technique were clarified. Following results were observed; 1. On the wrestling techniques, muscular activities of one vastus 1ateralis were dominant in the pining leg of each technique and showed sustained and high amplitude discharge on het EMG. 2. On the throw and tackle techniques, especially those which move the opponents body, muscular activities of the dominant leg were primarily observed along with the regular muscular activities. These muscles were observed in the order of; right vastuslate ralis, left vastus 1ateralis, right gastrocnemius, and left gastrocnemius. But on the other techniques, these muscles showed synchronized discharge on each EMG. 3. Motions of ankle and knee joints showed that there were different motions in both legs. The motion of the knee joint of the dominant leg (extension and flexion) was fast and large, and became a trigger to produce throw and tackle techniques. At the end of each technique, there was difference in the times of motion of the knee joints. The right knee joint was always extended faster than the left knee joint. 4. In energy metabolism of each technique, pummel was highest (42.0), and double leg tackle (31.0), head and arm throw (28.2), back suplay (21.4), arm throw (20.2), which moves opponent body, followed. R. M. R. of other techniques were in the range of from 2.3 (bear hug and go behind) to 17.9 (snap).

レスリング技術種目のエネルギー代謝率と下肢運動の役割

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