Dermatomes
Dermatomes
- myotome: muscles innervated by spinal root
- dermatome: sensory skin area by spinal root
- Cervical roots come out above vertebrae, except C8
- no C1 dermatome. C1 only motor
- T1 below T1
Spinal Nerves
Shingles
Reflex
Nerve Root Syndromes
- herniation cause common
- if intervertebral disc between L4/L5 herniates: compress L5. Dorsiflexion reduced