Radioulnar
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Pronation
- Internal rotation of the forearm resulting in the palm moving
posteriorly, or down.
- Pronator quadratus
- Pronator teres
- Flexor carpi radialis
- Anconeus
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Supination
- External rotation of the forearm resulting in the palm moving
anteriorly, or up.
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Notes
- The pronaror quadratus is the primary pronator of the forearm,
but it is assisted by the pronator teres during fast or resisted
movements. The supinator is the primary supinaror of the forearm,
but it is aided by the biceps during fast or resisted movements.
Also see Elbow.
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