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4 Cards in this Set
- Front
- Back
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radial nerve
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"The radial nerve is a nerve in the human body that supplies the upper limb. It supplies the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm, as well as the associated joints and overlying skin.
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axillary nerve
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"The axillary nerve or the circumflex nerve is a nerve of the human body, that comes off the of the brachial plexus (middle trunk, posterior division, posterior cord) at the level of the axilla (armpit) and carries nerve fibers from C5 and C6. The axillary nerve travels through the quadrangular space with the posterior circumflex humeral artery and vein.It supplies three muscles, deltoid (a muscle of the shoulder), teres minor (one of the rotator cuff muscles). The axillary nerve also carries sensory information from the shoulder joint, as well as the skin covering the inferior region of the deltoid muscle - the ""regimental badge"" area (which is innervated by the Superior Lateral Cutaneous Nerve branch of the Axillary nerve).
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deep branch of the radial nerve
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"The deep branch of the radial nerve winds to the back of the forearm around the lateral side of the radius between the two planes of fibers of the Supinator, and is prolonged downward between the superficial and deep layers of muscles, to the middle of the forearm.
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ulnar nerve
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"the ulnar nerve is a nerve which runs near the ulna bone. The ulnar nerve is the largest unprotected nerve in the human body (meaning, unprotected by muscle or bone). This nerve is directly connected to the little finger, and the adjacent half of the ring finger, supplying the palmar side of these fingers, including both front and back of the tips, perhaps as far back as the fingernail beds. The ulnar nerve originates from the C8-T1 nerve roots which form part of the medial cord of the brachial plexus, and descends on the posteromedial aspect of the humerus. It enters the anterior (flexor) compartment of the forearm through the two heads of flexor carpi ulnaris and runs alongside the ulna. There it supplies one and a half muscles (flexor carpi ulnaris & medial half of flexor digitorum profundus). It soon joins with the ulnar artery, and the two travel inferiorly together, deep to the flexor carpi ulnaris muscle.
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