Understand the function importance of the medial epicondyle. This is the common origin of most forearm muscles in the anterior or flexor compartment.
Understand the function importance of the lateral epicondyle. This is the common origin of many forearm muscles in the posterior or extensor compartment.
Note the trochlea or “pulley” that articulates and fits within the trochlear “C” shaped notch of the ulna. Note the capitulum or head that rolls on the surface of the radius.