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.

---

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

At the turn of the century, brands fixated on controlling how a person’s foot rolls inward with each step — known as pronation — even if the resulting landing was unnatural.

From Seattle Times • Sep. 7, 2021

Supination and pronation are the movements of the forearm that go between these two positions.

From Textbooks • Jun. 19, 2013

In addition to the ordinary signs of fracture, there is partial or complete loss of pronation and supination.

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