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Tightening the interosseous membrane
81%
2450/3030
Tightening the biceps
7%
207/3030
Eliminates plastic deformation
3%
100/3030
Relaxes the pronator quadratus
8%
229/3030
Protects the posterior interosseous nerve
1%
31/3030
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Closed reduction and immobilization of the arm in 110 degrees of flexion (as swelling allows) and full supination enhances the stability of the injury by tightening the interosseous membrane and relaxing the biceps tendon. A Monteggia lesion is a fracture of the proximal ulna with an associated radial head dislocation. When the ulna fracture is incomplete (greenstick or buckle), these injuries are most often successfully treated with closed reduction, and operative management is not needed. The article by Ring et al is a review of Monteggia fractures and states that immobilization in supination is a key element in successful nonoperative treatment of Monteggia fractures.
3.9
(30)
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