Brachial Nerve Plexus
... The skin in the posterior receives the sensory impulses, while the motor fibres innervate the extensor muscles of the elbow’s joint. It is also the one responsible for the ability of the elbow joint
to flex, whereas the supinator muscle is the one responsible for the rotational movements of the forearm and the hand. The function of the Brachial nerve plexus
involves the muscular ...