Lesson

Forearm Joint Muscles

ActionSupinationPronation
Muscles-Supinator

-Biceps Brachii (assists when elbow is in flexion, esp. at 90º or less)

-Brachioradialis

-Pronator Quadratus

-Pronator Teres (assists when pronation rapid

or resisted)

-Brachioradialis

-Flexor Carpi Radialis

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