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The Collateral Ligaments of the Elbow: Anatomy and Clinical Correlation.

Cohen, Mark S. MD*; Bruno, Roderick J. MD**

Clinical Orthopaedics & Related Research:
SECTION I SYMPOSIUM: Advances in Anatomy of the Upper Extremity

Stability of the elbow is provided by the congruous nature of the bony articulations and the medial and lateral collateral ligament complexes. The medial ligament provides additional support to valgus stress. The lateral ligament prevents rotational instability between the distal humerus and the proximal radius and ulna. Collateral ligament insufficiency typically is posttraumatic and can occur on either side of the joint. An understanding of the normal anatomy is required to make the correct diagnosis and complete a successful surgical reconstruction.

Author Information

From the *Department of Orthopaedic Surgery, Rush-Presbyterian-St Lukes Medical Center Chicago, IL; and the **Department of Orthopaedic Surgery, Tufts University, New England Medical Center, Boston, MA.

Reprint requests to Mark S. Cohen, MD, Rush-Presbyterian-St Lukes Medical Center, 1725 West Harrison Street, Suite 1063, Chicago, IL 60612.

© 2001 Lippincott Williams & Wilkins, Inc.