Spinal Level

Motor

Reflex

Sensation

C3,4,5

Diaphragm

 

Above Clavicle

C5

Deltoid

Biceps Tendon

Upper Outer Arm

C6

Wrist Extension, Biceps

Brachioradialis Tendon

Radial Forearm, Thumb, Index Finger

C7

Wrist Flexion, Triceps

Triceps Tendon

Posterior Forearm, Middle Finger

C8

Finger Flexion

 

Ulnar Forearm, 4th and 5th Fingers

T1

Interossei

 

Upper Inner Arm

T4

 

 

Nipples

T10

 

 

Umbilicus

L1

 

 

Upper Thigh

L1,2,3

Hip Flexion

 Adductor

 

L2,3,4

Knee Extension, Hip Adduction

 

 

L4

Foot Inversion (tibialis anterior), dorsiflexion

Patellar Tendon

Anterior Thigh, Medial Leg, Inner foot

L5

Toe Extension (Long Extensors)

 

Lateral Leg, Dorsum of Foot, Great Toe

L4,5,S1

Hip Abduction

 

 

S1

Foot Eversion (peroneus), Toe Flexion

Achilles Tendon

Lateral Leg, Lateral Foot to 5th Toe

L5,S1,S2

Plantar Flexion, Hip Extension

 

 

S2,3,4

Anal Sphincter

Bulbocavernosus

Perineum