1. MYOTOMES & DERMATOMES Myotomes
Each muscle in the body is supplied by a particular level or segment of the spinal cord and by its corresponding spinal nerve.
Dermatomes
~Greek for"skin cutting"
~An area of the skin supplied by specific nerve fibers.

3. Chest wall Abdominal Cavity
MYOTOMES
C3-5
Diaphragm C5
Shld ABD C6
Extend Wrist C7
Extend Elbow
3rd Digit C8
Bends fingers T1
Spreads fingers
T1-12
Chest wall Abdominal Cavity
L1,2
Flex hip
L2,3,4
Adducts hip
Extends knee L4
Dorsiflex L5
Wiggles Toes S1
Plantar flex
S3-5
Pelvic Region

6. REFERRED PAIN Pain radiating to another location
Can help diagnose other problems
Don’t assume pain is related to specific location