There are four main nerves of the arm and they wrap around the bones. The ulnar and median nerves originate in the brachial plexus, which is a bundle of nerve fibers extending from the spinal cord to the arm and ending in the hand.
Arm and shoulder anatomy 1 Glenohumeral joint. The glenohumeral joint is one of the joints associated with the shoulder girdle that allow a full range of movement of the upper limb . 2 Bones. The shoulder is the region where the upper limb is attached to the trunk. … 3 Muscles. … 4 Nerves. … 5 Arteries and veins. …
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