The Medial Epicondyle Of The Humerus In Posterior View

Description

Framed in posterior view, the distal humerus centers on the medial epicondyle as it projects medially from the medial supracondylar ridge, sitting just proximal to the trochlea and opposite the lateral epicondyle across the posterior distal metaphysis. The olecranon fossa occupies the midline posterior surface superior to the articular complex, and the medial epicondyle forms the medial boundary of the cubital region when the elbow is extended. Subtle rotational and zoom sequencing clarifies the epicondyle’s relief against the posterior cortex and helps orient medial versus lateral landmarks along the supracondylar columns. Clinically, this bony prominence matters because the ulnar nerve courses in the retrocondylar groove immediately posterior to the medial epicondyle, the site of the classic “funny bone” paresthesia and a frequent entrapment point in cubital tunnel syndrome. It is also the common flexor origin and a key traction apophysis in skeletally immature patients, where valgus overload can produce medial epicondyle apophysitis or avulsion associated with elbow dislocation. Animation makes the spatial problem easier: as the model rotates, you can track the relationship between the medial epicondyle, olecranon fossa, and trochlear region in a way static posterior plates often fail to convey. Use this sequence in gross anatomy and musculoskeletal modules to teach distal humeral surface anatomy, in orthopedic lecture decks on pediatric medial epicondyle fractures and ulnar neuropathy, or in patient-facing education for cubital tunnel decompression planning where clear landmark orientation reduces confusion. Anatomical accuracy verified by SciePro's Medical Advisory Board.