Innervations - Brachial Plexus Innervation Map 1 Roots a C5 i Rhomboid major ii Rhomboid minor iii Serratus anterior iv Supraspinatus v Infraspinatus vi

Brachial Plexus – Innervation Map! 1. Roots a. C5 i. Rhomboid major ii. Rhomboid minor iii. Serratus anterior iv. Supraspinatus v. Infraspinatus vi. Subclavius vii. Pectoralis major viii. Anterior compartment of arm ix. Posterior compartment of arm x. Posterior compartment of forearm xi. Subscapularis xii. Teres major xiii. Teres minor xiv. Deltoid b. C6 i. Serratus anterior ii. Supraspinatus iii. Infraspinatus iv. Subclavius v. Pectoralis major vi. Anterior compartment of arm vii. Posteror compartment of arm viii. Anterior compartment of forearm (except flexor carpi ulnaris and medial half of flexor digitorum profundus) ix. Posterior compartment of forearm x. Subscapularis xi. Latissimus dorsi xii. Teres major xiii. Teres minor xiv. Deltoid c. C7 i. Serratus anterior ii. Pectoralis major iii. Anterior compartment of arm iv. Anterior compartment of forearm (except flexor carpi ulnaris and medial half of flexor digitorum profundus) v. Latissimus dorsi vi. Posterior component of arm vii. Posterior component of forearm d. C8 i.