supination

[ soo-puh-ney-shuh n ]

/ ˌsu pəˈneɪ ʃən /

rotation of the hand or forearm so that the palmar surface is facing upward (opposed to pronation).

a comparable motion of the foot, consisting of adduction followed by inversion.

the position assumed as the result of this rotation.

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Which of the following words means “to travel or journey, especially to walk on foot”?

First recorded in 1660–70; supinate + -ion

The elbow is flexed at a right angle, and the forearm supported in a sling midway between pronation and supination.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.|Alexander Miles
The wrist has also forward and backward movements, either in pronation, in supination, or the normal state.
Delsarte System of Oratory|Various
Those defending the upper left-hand quarter are “quarte” (fourth; in supination) and “quinte” (fifth; in pronation).
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5|Various
When the displaced head of the bone interferes with supination, or with extension, it should be removed.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.|Alexander Miles

All movements are painful, but especially movements in the direction of supination.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.|Alexander Miles