Anatomy
Bump at bottom of humerus, laterally (when hand pronated, ie palm forward). Attached; radial collateral ligament (contributes to stabilizing the joint against varus – medial flexion), supinator, extensors. Smaller than medial epicondyle.
Clinical
Site of tennis elbow. Supercondylar fractures common in children; anterior displacement of upper part of fracture (proximal fragment) can damage brachial artery (check the radial pulse).
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