The moment formed by COP with the whole body center of mass would then be analyzed to investigate the kinematic characteristics of the body.

 
  • 此外,在二維運動(dòng)學(xué)資料中,上旋發(fā)球較平擊發(fā)球于加速期時(shí)生成較多的膝關(guān)節彎曲,同時(shí)在骨盆生成較多的后傾,如此可幫助增加發(fā)球時(shí)之動(dòng)量生成及傳遞。
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