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        윈드서퍼의 플레이닝 시 경기력에 따른 하지 근활성도 비교분석 연구

        천사빈(Chun, Sa-Bin),김태규(Kim, Tae-Gyu) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.1

        This study aimed to identify the lower limb muscle activity during windsurfing planing depending on the their skill level among windsurfers and to provide the useful information on the development of training programs for enhancing windsurfers’ performance. Seven elite and 6 amateur windsurfers who had no neurological or musculoskeletal impairment in the past two years in lower extremities participated in this study. All participants used footstraps located in metatarsophalangeal joint, and the muscle activation of their tibialis anterior, peroneus longus, medial gastrocnemius, and biceps femoris in the front and rear legs were measured during the starboard and port tacks of windsurfing planing. The mean value of each muscle in 15s was calculated and analyzed. The conclusions are as follows. Tibialis anterior in elite windsurfers showed higher activity than in amateurs, but both medial gastrocnemius and biceps femoris in amateurs showed higher activation than in elites, regardless of planing directions. These results can explain that amateur windsurfers used the larger muscles such as medial gastrocnemius and biceps femoris in the front leg for controlling their board and maintaining the balance on board, whereas elites used the tibialis anterior more strongly compared to amateurs for maintaining board control with an ankle strategy.

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