Dermatomes & myotomes

Question 1

What is the dermatome for the clavicle?

Answer 1

C4

Question 2

What is the dermatome for the nipples

Answer 2

T4

Question 3

What is the dermatome for the umbilicus?

Answer 3

T10

Question 4

What is the dermatome for the inguinal region?

Answer 4

T12

Question 5

What is the dermatome for the middle finger?

Answer 5

C7

Question 6

What is the dermatome for the patella?

Answer 6

L3

Question 7

What is the dermatome for the big toe?

Answer 7

L5

Question 8

What is the dermatome for the little toe?

Answer 8

S1

Question 9

What is the dermatome for the perianal region?

Answer 9

S5

Question 10

What is a dermatome?

Answer 10

An area of skin which receives a sensory nerve supply from a single root of the spinal cord

Question 11

Why is knowledge of dermatomes important?

Answer 11

It can help identify which nerves are diseased

Question 12

What is a myotome?

Answer 12

A group of muscles that are supplied by the same spinal root

Question 13

What is the myotome for the Deltoid

Answer 13

C5

Question 14

What is the myotome for Biceps?

Answer 14

C6

Question 15

What is the myotome for triceps?

Answer 15

C7

Question 16

What is the myotome for Psoas?

Answer 16

L1

Question 17

What is the myotome for Leg adductors?

Answer 17

L2

Question 18

What is the myotome for the quadriceps?

Answer 18

L3

Question 19

What is the myotome for gripping with the hands?

Answer 19

C8

Question 20

What is the myotome for abduction of the fingers?

Answer 20

T1

Question 21

What is the myotome for dorsiflexors and invertors?

Answer 21

L4

Question 22

What is the myotome for the long extensors and evertors of the foot?

Answer 22

L5

Question 23

What is the myotome for the long flexors of the foot?

Answer 23

S1

Question 24

What is the myotome for the bladder?

Answer 24

S2