pronation

American  

[proh-ney-shuhn] / proʊˈneɪ ʃən /

noun

1. rotation of the hand or forearm so that the surface of the palm is facing downward or toward the back (opposed to supination).

2. a comparable motion of the foot consisting of abduction followed by eversion.

3. the position assumed as the result of this rotation.

4. any similar motion of the limbs or feet of animals.

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Etymology

Origin of pronation

First recorded in 1660–70; pronate + -ion

Example Sentences

To throw the changeup, he needed his wrist to snap in the other direction, a process called pronation.

From Los Angeles Times • May 12, 2024

Team athletic trainers worried about the pronation during his follow-through, believing it could strain his arm during a delicate period.

From Washington Post • Feb. 26, 2023

But after several years of lab research, Caprara concluded that pronation is only one of several important aspects to a person’s stride — and shouldn’t always be controlled.

From Seattle Times • Sep. 7, 2021

This is a pivot joint that allows for rotation of the radius during supination and pronation of the forearm.

From Textbooks • Jun. 19, 2013

In eversion the lateral edge of the foot is drawn up, the sole looking away from the middle line—analogous to pronation of the hand.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander