What does the medial head of the triceps do?
The main function of triceps brachii is extension of the forearm at the elbow joint. … The medial head of the triceps is active in all forms of forearm extension, while the long and lateral head are only significantly active during extension at the elbow that occurs against resistance.
Which bicep exercises hit which head?
The biceps has two distinct heads and it’s possible to emphasize one head or the other. Doing barbell curls with a narrower grip will emphasize the long head; wider-grip curls emphasize the short, inner head.