Definition of pronation in US English:

pronation

noun

Anatomy
  • See pronate

    • ‘Full forced pronation and supination of the hand without pain virtually eliminates pathology of the distal radioulnar joint or triangular fibrocartilage complex from consideration.’
    • ‘Strength testing of the biceps and triceps muscles, pronation, supination, and wrist flexion and extension should be performed.’
    • ‘The proximal radioulnar joint facilitates rotation during supination and pronation.’
    • ‘Common abnormalities, which include lack of full supination and full pronation, may indicate an old injury of the forearm, wrist or elbow.’
    • ‘To assess distal radioulnar joint instability, actual CT scans in neutral and pronation and supination are recommended.’

Pronunciation

pronation

/prōˈnāSH(ə)n//proʊˈneɪʃ(ə)n/