Template:Disc herniation levels
Level of herniation
|
Spinal nerve root
|
Area affected by pain/paresthesia
|
Sensory loss
|
Motor loss
|
Reflex loss
|
C4-C5
|
C5
|
|
|
- Deltoid
- Biceps
- Infraspinatus
|
|
C5-C6
|
C6
|
- Neck
- Shoulder
- Lateral arm
- Radial forearm
- Thumb and index finger
|
- Radial forearm
- Thumb and index finger
|
|
|
C6-C7
|
C7
|
- Neck
- Lateral arm
- Ring and index finger
|
|
- Triceps
- Extensor carpi ulnaris
|
|
C7-T1
|
C8
|
|
- Ulnar half of ring finger
- Little finger
|
- Intrinsic muscles of the hand
- Flexor digitorum profundus
|
|
L3-L4
|
L4
|
|
- Anteromedial leg
- Insole of foot
|
|
|
L4-L5
|
L5
|
- Lateral thigh
- Dorsum of foot
- Great toe
|
|
- Foot dorsiflexion
- Inversion
- Eversion
|
|
L5-S1
|
S1
|
- Back of thigh
- Posterior calf
- Lateral foot
|
- Lateral foot and toes
- Sole of foot
|
|
|