NPTEFF Nerve Supply

axillary nerve motor supply

deltoid, teres minor

axillary nerve roots

C5-C6

axillary nerve actions

shoulder ER, shoulder extension, shoulder abduction, shoulder horizontal abduction, shoulder IR, shoulder flexion, shoulder horizontal adduction

axillary nerve sensory supply

upper lateral cutaneous nerve of arm supplying skin covering lower hald of deltoid and upper part of long head of triceps

axillary nerve injury

sensory loss over lower half of deltoid, square shoulder from deltoid muscle atrophy

radial nerve motor supply

triceps brachii, anconeus, brachioradialis, supinator, ECRL, ECRB, ECU, ED, EDM, EPL, EPB, EI, AbPL

radial nerve roots

C5-T1

radial nerve actions

elbow extension, elbow flexion, forearm supination, wrist extension, radial deviation, ulnar deviation, digit extension at MCP and IP joints, extension at CMC joint

radial nerve sensory supply

skin of lower half of lateral arm, skin on back of arm, skin on back of forearm, skin of lateral half of dorsum of hand and first 2.5 digits including thumb

radial nerve injury

wrist drop, tenderness in extensor muscles of forearm and reproduction of pain with long finger extension test

ulnar nerve motor supply

dorsal interossei, palmar interossei, adductor pollicis, opponens digiti minimi, flexor digiti minimi, abductor digiti minimi

ulnar nerve roots

C8-T1

ulnar nerve actions

digit abduction away from middle finger, digit adduction towards middle finger, digit flexion at MCP, digit extension at IP, thumb adduction, flexion of 5th digit, opposition of 5th digit, abduction of 5th digit, thumb flexion, flexion of digits at MCP, extension at IP, wrist flexion, ulnar deviation

ulnar nerve sensory supply

medial 1/2 of palm, dorsal aspect of medial 1 and 1/2 fingers, 1/2 of 4th digit, 5th digit

ulnar nerve injury

cubital tunnel - paralysis of FCU, FDP, hypothenar eminence, interossei, lumbricals 3/4

guyon's canal - sensory changes and progressive weakness of muscles innervated distal to site

claw hand - hyperextension at 4th and 5th MCP, flexion at 4th and 5th IP due to weakness of lumbricals and interossei

median nerve motor supply

FDP, FPL, PQ, AbPB, Pronator Teres, Opponens Pollicis, Palmaris Longus, Lumbricals 1/2, FCR, FDS, FPB

median nerve roots

C5-T1

median nerve actions

digit flexion at DIP, thumb DIP flexion, forearm pronation, thumb abduction at MCP/CMC, thumb opposition, wrist flexion, elbow flexion, radial deviation, thumb flexion, digit flexion at PIP, digit flexion at MCP, digit extension at IP

median nerve sensory supply

skin of lateral 2/3 of palm, dorsal tips of digits 1-3, palmar skin of lateral 3.5 digits

median nerve injury

pronator teres syndrome - hypertrophy of PT compresses nerve, PT normal, everything else through median nerve is affected

musculocutaneous nerve motor supply

biceps, brachialis, coracobrachialis

musculocutaneous nerve roots

C5-C7

musculocutaneous nerve actions

arm flexion, forearm supination, elbow flexion

musculocutaneous nerve sensory supply

lateral side of forearm

suprascapular nerve motor supply

infraspinatus, supraspinatus

suprascapular nerve roots

C5-C6

suprascapular nerve actions

shoulder abduction and external rotation

upper and lower subscapular nerve motor supply

teres major and subscapularis

upper and lower subscapular nerve roots

C5-C6

upper and lower subscapular nerve actions

shoulder internal rotation, shoulder extension, shoulder adduction

lateral pectoral nerve motor supply

pectoralis major

lateral pectoral nerve roots

C5-C7

lateral pectoral nerve actions

shoulder IR, adduction, horizontal adduction, scapular protraction, scapular depression, shoulder flexion, shoulder extension

medial pectoral nerve motor supply

pectoralis minor

medial pectoral nerve actions

scapular protraction, scapular depression, scapular downward rotation

long thoracic nerve motor supply

serratus anterior

long thoracic nerve roots

C5-C7

long thoracic nerve actions

scapular protraction, scapular depression, scapular upward rotation

thoracodorsal nerve motor supply

latissimus dorsi

thoracodorsal nerve roots

C6-C8

thoracodorsal nerve actions

shoulder extension, shoulder adduction, shoulder IR, scapular protraction, scapular depression

dorsal scapular nerve motor supply

rhomboid minor, rhomboid major, levator scapulae

dorsal scapular nerve root

C5

dorsal scapular nerve actions

scapular elevation, scapular retraction, scapular downward rotation

spinal accessory nerve motor supply

trapezius, SCM

spinal accessory nerve actions

scapular elevation, scapular retraction, scapular depression, scapular upward rotation, cervical lateral flexion and contralateral cervical rotation

superior gluteal nerve motor supply

gluteus medius, gluteus minimus, TFL

superior gluteal nerve roots

L4-S1

superior gluteal nerve actions

hip abduction, hip flexion, hip IR, assists hip ER

inferior gluteal nerve motor supply

gluteus maximus

inferior gluteal nerve roots

L5-S2

inferior gluteal nerve actions

hip extension, hip ER, hip adduction

nerve to piriformis roots

L5-S2

nerve to piriformis actions

hip abduction, hip ER

obturator nerve motor supply

adductor longus, adductor brevis, adductor magnus, obturator externus, gracilis

obturator nerve roots

L2-L4

obturator nerve actions

hip adduction, hip flexion, hip IR, hip ER from OE, hip extension from AM

obturator nerve sensory supply

skin of medial thigh

nerve to quadratus femoris motor supply

gemellus inferior, quadratus femoris

nerve to quadratus femoris nerve roots

L4-S1

nerve to quadratus femoris actions

hip ER, hip adduction

nerve to obturator internus motor supply

gemellus superior, obturator internus

nerve to obturator internus nerve roots

L5-S2

nerve to obturator internus actions

hip ER

sciatic nerve motor supply

biceps femoris, semitendinosus, semimembranosus, adductor magnus

sciatic nerve roots

L4-S3

sciatic nerve actions

knee flexion, hip extension, medial/lateral rotation of flexed leg in NWB position, hip adduction and IR from AM

femoral nerve motor supply

iliacus, pectineus, sartorius, rectus femoris, vastus medialis/intermedius/lateralis

femoral nerve roots

L2-L4

femoral nerve actions

hip flexion, hip adduction, hip abduction, hip IR, hip ER, knee extension

femoral nerve sensory supply

skin on medial side of lower 2/3 of thigh, skin on front of thigh, skin on medial side of leg

tibial nerve motor supply

gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor hallucis longus, flexor digitorum longus

tibial nerve roots

L4-S3

tibial nerve actions

plantarflexion, knee flexion, inversion, toe flexion

medial plantar nerve motor supply

abductor hallucis, flexor hallucis brevis, flexor digitorum brevis, lumbrical 1

medial plantar nerve actions

toe flexion, big toe abduction, MTP flexion, IP extension

medial plantar nerve sensory supply

skin on medial side of sole

lateral plantar nerve motor supply

plantar interossei, dorsal interossei, quadratus plantae, abductor digiti minimi, adductor hallucis, lumbricals 2-4

lateral plantar nerve actions

MTP flexion, IP extension, adduction of toes, abduction of toes, adduction of big toe

sural nerve sensory supply

skin over lower posterolateral leg

lateral plantar nerve sensory supply

skin on lateral side of sole

medial calcaneal branch sensory supply

skin over heel

common fibular nerve roots

L4-S2

deep fibular nerve motor supply

tibialis anterior, extensor hallucis longus, extensor digitorum longus, fibularis tertius, extensor digitorum brevis

deep fibular nerve roots

L4-S1

deep fibular nerve actions

dorsiflexion, toe extension, inversion, eversion

superficial fibular nerve motor supply

fibularis longus, fibularis brevis

superficial fibular nerve roots

L4-S2

superficial fibular nerve actions

plantarflexion, eversion

Superficial fibular nerve sensory supply

dorsum of foot and anterolateral lower leg

deep fibular nerve sensory supply

webbing between toes 1 and 2 on dorsal surface