Dictionary.com
Thesaurus.com

supination

American  
[soo-puh-ney-shuhn] / ˌsu pəˈneɪ ʃən /

noun

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

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

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


Etymology

Origin of supination

First recorded in 1660–70; supinate + -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I need to make sure my pronation and supination and range of motion is all on point so I’m not unnecessarily stressing something up the chain.’

From Los Angeles Times • Mar. 2, 2025

When she walked, Hsiung’s left foot kept rolling outward, a movement called supination.

From Washington Post • Feb. 16, 2018

The atlantoaxial pivot joint provides side-to-side rotation of the head, while the proximal radioulnar articulation allows for rotation of the radius during pronation and supination of the forearm.

From Textbooks • Jun. 19, 2013

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

From Textbooks • Jun. 19, 2013

Flexion and extension to their full extent, with a very considerable amount of pronation and supination, are to be expected, with proper care, in a patient of average intelligence.

From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Bell, Joseph