INNERVATIONS Flashcards
Trapezius
C3,4; spinal accessory nerve
SCM
C3,4; spinal accessory nerve
Rhomboids
C5; Dorsal scapular nerve (pre plexus)
Supraspinatus
C5,6; upper trunk; suprascapular nerve
Infraspinatus
C5,6; upper trunk, suprascapular nerve (passes thru spinoglenoid notch)
Biceps brachii
C5,6; upper trunk; lateral cord; musculocutaneous nerve
Brachialis
C5, 6; upper trunk; lateral cord; musculocutaneous nerve
Coracobrachialis
C5, 6; upper trunk; lateral cord; musculocutaneous
Deltoid
C5,6; upper trunk; posterior cord; axillary nerve
teres minor
C5,6; upper trunk; posterior cord; axillary nerve
Brachioradialis
C5,6; upper trunk; posterior cord; radial nerve
Serratus anterior
C5,6,7; long thoracic nerve
Pec Major
C5,6,7,8,T1; upper, middle, lower trunks; medial and lateral cord; medial and lateral pectoral nerves
Pronator teres
C6,7; upper and middle trunk; lateral cord; median nerve
Flexor carpi radialis
C6,7; upper and middle trunk; lateral cord; median nerve
ECRL
C6,7; upper and middle trunk; poosterior cord; radial nerve
Triceps
C6,7,8 ; upper , middle, lower trunk, posterior cord, radial nerve
anconeus
C6,7,8; upper , middle, lower trunk; posterior cord; radial nerve
Lat Dorsi
C6,7,8; upper, middle, lower trunk, posterior cord; thoracodorsal nerve
ECU
C7,8; middle and lower trunk; posterior cord; radial nerve; PIN
EIP
C7,8; middle and lower trunk, posterior cord, radial nerve, PIN
ED
C7,8; middle and lower trunk, posterior cord, radial nerve, PIN
FDS
C7,8; middle and lower trunk; medial and lateral cord; median nerve
FPL
C7,8,T1; middle and lower trunk; medial and lateral cord; median nerve; AIN
PQ
C7,8,T1; middle and lower trunk; medial and lateral cord; median nerve; AIN
FDP 2,3
C7,8,T1; middle and lower trunk; medial cord; median nerve; AIN
FDP 4,5
C7,8,T1; middle and lower trunk; medial cord; ulnar nerve
APB, FPB, lumbricals 1,2, opponens pollicis
C8,T1; lower trunk;medial cord; median nerve
FCU
C8,T1, lower trunk;medial cord; ulnar nerve
ADM
C8,T1,lower trunk;medial cord; ulnar nerve
FDI
C8,T1; lower trunk;medial cord;ulnar nerve
lumbricals 3,4
C8, T1, lower trunk;medial cord; ulnar nerve
Interossei: 3PAD 4 DAB
C8,T1, lower trunk; medial cord; ulnar nerve
Lateral antebrachial cutaneous/ skin over lateral forearm
C5,6, upper trunk; lateral cord; musculocutaneous nerve terminates as LAC
MAC/skin over medial forearm
C8,T1; lower trunk; medial cord; medial antebrachial cutaneous
Quads, iliopsoas
L2,3,4, femoral nerve
Adductors, gracilis
L2,3,4; obturator nerve
Tib anterior, EDL
L4,5; sciatic nerve, deep fibular nerve
EHL, EDB
L4,5,S1 ; sciatic nerve; deepfibular nerve
Semimembranosus, semitendinosus, long head of biceps femoris
L4,5,S1; sciatic nerve (tibial division)
Short head biceps femoris
L5,S1; sciatic nerve (fibular division)
Glut med,min, TFL
L4,5,S1; superior gluteal nerve
Fib longus and brevis
L5, S1; sciatic nerve; superficial fibular nerve
Tib posterior, FDL
L5,S1 ; sciatic nerve; tibial nerve
Glut max
L5,S1,S2; inferior gluteal nerve
Gastroc, soleus
S1,2; sciatic nerve; tibial nerve
FHB, Abductor hallucis brevis
S1,2; sciatic nerve; tibial nerve; medial plantar nerve
Abductor digiti quinti pedis
S1,2; sciatic nerve; tibial nerve; lateral plantar nerve
lateral thigh sensation
L2,3; lateral femoral cutaneous (posterior div of lumbar plexus)
medial shin medial calf
L2,3,4; femoral nerve; saphenous nerve,
medial plantar surface foot
L4,5; sciatic nerve, tibiail nerve; medial plantar nerve
lateral plantar surface of foot
S1,2; sciatic nerve; tibial nerve; lateral plantar nerve
levator scapula
is innervated by both the dorsal scapula nerve and C3/C4/(C5) nerves
Abductor digiti minimi
Adductor hallucis
Quadratus plantae
The interossei (dorsal and plantar)
Lateral plantar nerve
musculocutaneous nerve
C5,6,7, upper trunk, lateral cord
axillary nerve
C5, 6, upper trunk, posterior cord….goes through quadrangular space
suprascapular nerve
upper trunk, passes through posterior triangle of neck Scm, trapezius, clavicle)