S dermatome

Question 1

S1

Answer 1

extends to the posterolateral aspect of thigh, popliteal region, and leg to the lateral malleolus, lateral margin of foot, heel, and little toe

Question 2

S2

Answer 2

extends from the buttocks to the posteromedial aspect of the thigh, popliteal region and leg. Anteriorly includes the penis and scrotum

Question 3

S3

Answer 3

posteriorly includes the medial aspect of buttocks, perineal area; anteriorly includes the penis and scrotum

Question 4

S4

Answer 4

perineal area , and genitals

Question 5

S5

Answer 5

perineal area, and skin of and adjacent to the anus