This document was created by Alex Yartsev ([email protected]); if I have used your data or images and forgot to reference you, please email me.
SUPPLY DISTRIBUTION OF THE BRACHIAL PLEXUS
Lateral pectoral nerve Pectoralis major Lateral cord Anterior compartment of the arm: MUSCULOCUTANEOUS NERVE Biceps, coracobrachialis, brachialis Skin over the lateral forearm, once it becomes cutaneous in the cubital fossa
Anterior compartment of the forearm: EXCEPT for the ulnar part of flexor digitorum profundis MEDIAN NERVE Thenar muscles: EXCEPT adductor pollicis and the deep part of flexor pollicis brevis First and second lumbricals
Skin on the medial surface of arm up to the elbow MedialLateral cutaneous cord: nerve of arm lateral pectoral nerve Skin on the medial surface of forearm up to the elbow Medial cord Medial cutaneous MUSCULOCUTANEOUS nerve of forearm NERVE lateral root of MEDIAN NERVE Medial pectoral nerve Pectoralis minor and sternocostal part of pectoralis major o Medial cord forms ULNAR NERVE Intrinsic muscles of the hand, EXCEPT 1st and 2nd lumbricals and three of the thenar muscles Flexor carpi ulnaris Ulnar half of the flexor digitorum profundis to the pinky and ring fingers
Upper subscapular nerve Superior half of subscapularis medial root of MEDIAN NERVE Inferior half of subscapularis AND teres major Lower subsca medialpular pectoralnerve nerve medial cutaneous nerveGlenohumeral of arm joint medial cutaneous nerveTeres of minorforearm Posterior cord AXILLARY NERVE Deltoid ULNAR NERVE Skin over the deltoid
RADIAL NERVE ALL MUSCLES IN THE POSTERIOR COMPARTMENT OF THE ARM AND FOREARM Ski over posterior and inferolateral forearm Some of the dorsum of the hand o o Thoracodorsal nerve Latissimus Dorsi o o Posterior cord forms: Long Thoracic nerve Serratus anterior
Dorsal scapular nerve Rhomboids; Supraclavicular branches levator scapulae
Subclavius and Nerve to subclavius sternoclavicular joint
Suprascapular nerve Supraspinatus Infraspinatus Glenohumeral joint