su·pi·na·tion /ˌsupəˈneʃən/
  旋後; 仰臥
  su·pi·na·tion /ˌsupəˈneʃən/ 名詞
  Su·pi·na·tion n.  Physiol. (a) The act of turning the hand palm upward; also, position of the hand with the palm upward. (b) The act or state of lying with the face upward. Opposed to pronation.
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  supination
       n : rotation of the hands and forearms so that the palms face
           upward [ant: pronation]