Spinal Assessment: What are the dermatomes for lumbar spine?

Question

What are the dermatomes for lumbar spine?

André Magson · Accepted Answer

L1- Below belly button, over iliac crest.
L2- Below iliac crest to top of inner thigh.
L3- Greater trochanter along inside of leg, inner side of gastrocnemius.
L4- Over majority of quads, over knee and along inside of shin. (Big toe)
L5- Outside of thigh and along tibialis anterior. (Toes 2-4).

Spinal Assessment

What are the dermatomes for lumbar spine?

L1- Below belly button, over iliac crest. L2- Below iliac crest to top of inner thigh. L3- Greater trochanter along inside of leg, inner side of gastrocnemius. L4- Over majority of quads, over knee and along inside of shin. (Big toe) L5- Outside of thigh and along tibialis anterior. (Toes 2-4).

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