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Radial tuberosity
1%
20/2515
3mm distal to the tip of the coronoid
15%
365/2515
Anteromedial process of the coronoid
79%
1985/2515
Medial border of the olecranon fossa
3%
66/2515
Radial side of ulna at origin of annular ligament
71/2515
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The anterior bundle of the medial collateral ligament of the elbow inserts at the anteromedial process of the coronoid, also known as the sublime tubercle. Fractures at this site have been shown to have worse results with nonoperative treatment, due to increased rates of instability and post-traumatic arthrosis. The referenced articles by Ring and Steinmann are great reviews of the topic of coronoid fractures. They review the diagnosis, treatment options, rehabilitation, and outcomes of these injuries. They focus on the importance of the coronoid in elbow stability, especially with base fractures, or ones that involve the sublime tubercle. Illustration A depicts the anterior bundle of the MCL inserting at the sublime tubercle.
4.4
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