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        야구투수들의 투구 구질에 따른 상지근육의 EMG 변화

        박일봉(Park Il-Bong),여남회(Yeo Nam-Hwoeh),심제명(Shim Je-Myoung) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.4

        The purpose of this study is in the comparison & analysis of EMS change of upper limbs according to pitching variation of baseball pitcher. And 5 pitchers from university baseball were selected as the subject of this study. pitching variation was measured pitching fast ball, curve, slider & change-up in 3 phases of measurement. Firstly, as for the EMG value, in arm cocking phase, no significant difference was shown in 4 kinds of change in pitching variation among muscle, and in arm acceleration phase, there was significant decrease at extensor carpi radialis & flexor carpi radialis in curve & change-up rather than fast ball. Lastly, in arm decceleration phase, the significant decrease was shown at deltoid, extensor carpi radialis & flexor carpi radialis in curve & change-up rather than fast ball. From this result, it was shown that there is a tendency toward significant decrease in forearm muscles that other muscles at pitching change ball, and toward no significant difference in fast ball and slider in the all muscles.

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