supination

/ˌsupəˈneɪʃən/
noun
  1. The act or position of turning the hand or foot so that the palm or sole faces upward or forward.
    • The physical therapist explained that supination helps with certain throwing motions.
    • Supination of the hand is common when carrying a tray.
    • Excessive supination while walking can cause ankle strain.
Antonyms
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