With regards to the posterior compartment of the arm, which is FALSE?

• A. the medial head of triceps lies deep to the long and lateral heads
• B. triceps inserts onto the upper surface of the olecranon
• C. midshaft fracture of the humerus can damage the radial nerve resulting in paralysis of triceps
• D. the medial intermuscular septum divides it from the anterior compartment and runs from the axilla to the elbow
• E. the lateral cord supplies part of the median nerve