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Brachial Plexus
Term | Description |
---|---|
Musculocutaneus nerve | pierces and innervates coracobrachialis & muscles of anterior (flexor) compartment of the arm, biceps brachii and brachialis |
Dorsal Scapular nerve | Innervates: lavator scapulae, rhomboid major and minor |
Nerve to subclavius | (C5-C6) |
Suprascapular nerve | (C5-C6) Innervates the supraspinatus and infraspinatus |
Lateral pectoral nerve | (C5-C7) innervates pectoralis major |
Medial pectoral nerve | (C8-T1) Innervates: pectoralis major & minor |
Upper subscapular nerve | (C5-C6) Innervates: subscapularis |
Thoracodorsal nerve | Innervates: latissmus dorsi |
Lower subscapular nerve | (C5-C6) Innervates: subscapularis & teres major |
Ulnar Nerve | (C8-T1) Innervates muscle of the medial aspect of the forearm and hand & skin of the medial palmar hand. Muscles innervated include medial half of flexor digitorum profundus, adductor pollicis, flexor digiti minimi, abductor digiti minimi, opponens digiti |
Median nerve | (C5-T1) Innervates:muscles of the lateral aspect of the anterior (flexor) compartment of the forearm and hand (those muscles not listed above) and skin of the medial palmar hand |
Axillary nerve | (C5-C6) supplies the deltoid and teres minor muscles |
Radial nerve | (C5-T1) Innervates: musculature of the posterior (extensor) compartments of the arm and forearm and the skin of the entire posterior upper extremity |
Medial brachial cutaneous | (C8-T1) Innervates the skin of the medial arm |
Medial antebrachial cutaneous | (C8-T1) Innervates the skin of the medial forearm |