The medial epicondyle of the humerus, larger and more prominent than the lateral epicondyle, is directed a little backward. In birds, where the arm is somewhat rotated compared to other tetrapods, it is called ventral epicondyle of the humerus.
Image:HumerusFront.png|Left humerus. Anterior view.
Image:Gray414.png|Front of the left forearm. Superficial muscles.
Image:Gray419.png|Posterior surface of the forearm. Deep muscles.