段違い平行棒における後方車輪の回転速度と関節でなされる力学的仕事との関係

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  • The Relationship between Rotational Velocity of Giant Circle and Mechanical Work of Joints on Uneven Bars
  • ダン チガイ ヘイコウボウ ニ オケル コウホウ シャリン ノ カイテン ソク

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<p>    The purpose of this study was to investigate the relationship between rotational velocity of giant circle and mechanical work of joints on uneven bars. Giant circles performed by twenty-six female gymnasts at 1995 World Gymnastics Championships in Sabae were videotaped to calculate the kinematic and kinetic variables. Rotational velocity of giant circle was not significantly correlated with mechanical work of hip flexion and shoulder extension but was significantly correlated with mechanical work of hip extension (r= -0.593, p<0.01) and shoulder flexion (r= -0.611, p<0.01). These results indicate that to increase rotational velocity of giant circle on uneven bars, restraint of hip joint extension and shoulder joint flexion should be emphasized.</p>

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