Arm Tendon Diagram. Triceps brachii is the prime extensor of the forearm at the elbow joint. The arm is one of the bodys most complex and frequently used structures.
In the diagram not bone or tendon there are more than 600 muscles in the human body. Skeletal muscles work across a joint and are attached to the bones by strong cords. Diagram of the shoulder including the location of the rotator cuff.
Bones are stretched too much.
Triceps brachii is innervated by the radial nerve c6 c8 and receives its blood supply from the deep brachial and superior ulnar collateral arteries. An upper arm muscle composed of 2 parts a. Skeletal muscles work across a joint and are attached to the bones by strong cords. Triceps brachii is the prime extensor of the forearm at the elbow joint.