DRUJ translation is described during which forearm/elbow movement?

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Multiple Choice

DRUJ translation is described during which forearm/elbow movement?

Explanation:
Distal radioulnar joint translation is described during forearm rotation because this joint accommodates the radius rotating around the ulna. In pronation and supination, the distal ends of the radius and ulna glide relative to each other to allow the hand to turn while the forearm bones stay aligned. The elbow’s flexion/extension mainly moves at the humeroulnar and humeroradial joints and does not drive DRUJ translation, and wrist flexion/extension involves the radiocarpal joint more than the distal radioulnar articulation. So the movement that describes DRUJ translation is forearm rotation—pronation and supination.

Distal radioulnar joint translation is described during forearm rotation because this joint accommodates the radius rotating around the ulna. In pronation and supination, the distal ends of the radius and ulna glide relative to each other to allow the hand to turn while the forearm bones stay aligned. The elbow’s flexion/extension mainly moves at the humeroulnar and humeroradial joints and does not drive DRUJ translation, and wrist flexion/extension involves the radiocarpal joint more than the distal radioulnar articulation. So the movement that describes DRUJ translation is forearm rotation—pronation and supination.

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