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Dermatomes of the lower limb

 

 

Dermatome

Area supplied

L1

Inguinal area (over inguinal canal).

L2

Anterior and Lateral part of Upper 2/3rdof thigh.

L.3

Anterior, Lateral & Medial part of Lower 1I3'd of thigh and knee.

L4

Medial side of leg.

L5

Lateral side of leg, Medial half of dorsum of foot, first web space.

SI

Posterior surface of ankle, and lateral half of dorsum of foot.

S2

Posterior of thigh and leg.

S3

Gluteal area around perianal region, Groin.

S4

Perianal skin &Groin.







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