Fluctuat nec mergitur - Free definition results from over 1700 online dictionaries
The radial nerve innervates muscles located in the arm and forearm. In the arm, it directly innervates the three heads of the triceps brachii. This muscle performs extension at the elbow. In the forearm, the deep branch of the radial nerve innervates the muscles in the posterior compartment of the forearm.o enter the forearm, the radial nerve moves anteriorly over the lateral epicondyle of the humerus, through the cubital fossa. Within the forearm, the nerve terminates by dividing into two branches: 1  Deep branch â A motor branch.
The biceps tendon and. radial artery lie laterally to the brachial artery âthe brachioradialis muscle conceals the radial. artery (the most superficial muscle on the radial or thumb-side of the forearm). 1.2.1 Blood return. Blood is returned from the arm through two main veins â the cephalic and basilic veins. In 70-.