DERMATOMES-SUPRAPUBIC TO COCCYX

SUMMARY

1. T12: suprapubic & upper buttock
2. L1: groin, anterior scrotum/labia & upper buttock
3. L2: anterior thigh & upper buttock
4. L3: anterior, medial knee & upper buttock
5. L4: medial leg, medial malleolus & side of foot
6. L5: lateral leg, dorsum of foot, medial side of foot, medial sole & great toe
7. S1: lateral malleolus, lateral dorsum of foot & lateral sole
8. S2: posterior leg, posterior thigh, buttock & penis
9. S3: sitting area
10. S4: shitting area (perianal region)!
11. S5: coccyx



Image: Dermatome map. American Spinal Cord Injury Association (ASIA) Impairment Scale [Accessed 12 Apr. 2019].

Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.