Brachial Plexus Block
From Nerve Roots-
Muscles, Cutaneous Roots, Long thoracic nerve, C5, C6, C7
Serratus anterior
Dorsal scapular nerve-
C4, C5
Rhomboid muscles and levator scapulae
Phrenic nerve-
C5
Diaphragm
Upper trunk-
Suprascapular nerve
C5, C6
Supraspinatus and infraspinatus
Nerve to subclavius
C5, C6
Subclavius
Posterior cord
Radial nerve
C5, C6, C7, C8, T1
Triceps, supinator, brachioradialis, extensor muscles of the forearm
Posterior cutaneous nerve of the arm
Axillary nerve
C5, C6
Anterior branch: deltoid
Posterior branch: teres minor, deltoid
Upper lateral cutaneous nerve of the arm
Thoracodorsal nerve
C6, C7, C8
Lattisimus dorsi
Upper subscapular nerve
C5, C6
Subscapularis
Lower subscapular nerve
C5, C6
Subscapularis and teres major
Medial cord
Ulnar nerve
C8, T1
Flexor carpi ulnaris, flexor digitorum profundus, intrinsic hand muscles except thenar muscles and 2 lateral lumbricals
Medial side of hand, medial 1 ½ fingers on palmar side and medial 2 ½ fingers on the dorsal side
Medial root of median nerve
C8, T1
Fibres to the median nerve
Portion of hand not supplied by ulnar or radial nerve
Medial pectoral nerve
C8, T1
Pectoralis major, pectoralis minor
Medial cutaneous nerve of the arm
C8, T1
Medial side of arm
Medial cutaneous nerve of the forearm
C8, T1
Medial side of forearm
Lateral cord
Lateral pectoral nerve
C5, C6, C7
Pectoralis major, pectoralis minor
Musculocutaneous nerve
C5, C6, C7
Coracobrachialis, brachialis and biceps brachii
Lateral cutaneous nerve of the forearm
Lateral root of median nerve
C5, C6, c7
Fibers to the median nerve