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 Brachioradialis Muscle can. act as a shunt muscle due to its position. During elbow flexion, the angular component, the one that makes the radius move around the elbow joint, is the swing component. The brachioradialis is an example of a shunt muscle, which is able to provide a compressive force.ixator Muscle. A fixator is a stabilizer that acts to eliminate the unwanted movement of an agonist's, or prime mover's, origin. Many muscles are attached to more than one bone. When this happens the muscles are said to be multiarticulate or multijoint muscles.