Upper Extremity Flashcards
Trapezius, SCM
C3, C4
Spinal accessory nerve
Rhomboids
C4, C5
Dorsal scapular nerve
Supraspinatus -> Infraspinatus
C5, C6
Upper trunk
Suprascapular n (passes through spinoglenoid notch)
Biceps brachii, brachialis
C5, C6
Upper trunk
Lateral cord
Musculocutaneous n
Deltoid, Teres minor
C5,C6
Upper Trunk
Posterior cord
Axillary n
Brachioradialis
C5, C6
Upper Trunk
Posterior cord
Radial n
Serratus Anterior
C5, C6, C7
Long thoracic n
Pectoralis Major
C5-8, T1
Upper, middle, lower trunks
Medial and Lateral cords
Medial and Lateral pectoral nerves
Pronator Teres, Flexor Carpi Radialis
C6, C7
Upper and middle trunks
Lateral cord
Median n
Extensor Carpi Radialis Longus
C6, C7
Upper and middle trunks
Posterior cord
Radial n
Triceps, anconeus
C6-8
Upper, middle, lower trunks
Posterior cord
Radial n
Latissimus Dorsi
C6-8
Upper, middle, lower trunks
Posterior cord
Thoracodorsal n
Extensor carpi ulnaris
Extensor digiti minimi
Extensor digitorum communis
ECRB
C7-8
Middle, lower trunks
Posterior cord
Radial n -> PIN (posterior interosseous n) -> superficial extensors
Flexor digitorum superficialis
C7-8
Middle, lower trunks
Medial, lateral cords
Median n
Flexor digitorum profundis 2, 3
C7-8, T1
Middle, lower trunks
Medial cord
Median nerve -> AIN