supination

Noun

 * 1) The act or state of lying face upward, on one's back.
 * 2)  The act of rotating the forearm so that the palm of the hand is turned up or forward, or the resulting state of the forearm
 * 3)  The act or state of combined adduction and inversion of the foot.
 * 4)  The position of the sword hand when the palm is facing up.