Week 5 - Dermatomes and Myotomes of Upper and Lower Limbs

Question 1

Which dermatome map divides the skin into blocks?

Answer 1

Foerster

Question 2

Which dermatome map splits the fingers?

Answer 2

Foerster

Question 3

Which dermatome map divides the hand between the fingers?

Answer 3

Keegan and Garrett

Question 4

Where would you test C1 dermatome?

Answer 4

The top of the head

Question 5

Where would you test C2 dermatome?

Answer 5

The occipital protuberance

Question 6

Where would you test C3 dermatome?

Answer 6

The supraclavicular fossa

Question 7

Where would you test C4 dermatome?

Answer 7

The acromioclavicular joint

Question 8

Where would you test C5 dermatome?

Answer 8

The regimental patch

Question 9

Where would you test C6 dermatome?

Answer 9

Tip of the thumb, palmar side

Question 10

Where would you test C7 dermatome?

Answer 10

Tip of the middle finger, palmar side

Question 11

Where would you test C8 dermatome?

Answer 11

Tip of the little finger, palmar side

Question 12

Where would you test T1 dermatome?

Answer 12

Mid-medial anterior forearm

Question 13

Where would you test T2 dermatome?

Answer 13

Apex of the axilla

Question 14

What action would you use to test C4 myotome?

Answer 14

Elevating the shoulders

Question 15

What action would you use to test C5 myotome?

Answer 15

Abduction of the shoulder

Question 16

What action would you use to test C6 dermatome?

Answer 16

Flexion of the elbow

Question 17

What action would you use to test C7 myotome?

Answer 17

Extension of the forearm at the elbow

Question 18

What action would you use to test C8 myotome?

Answer 18

Flexion of the fingers

Question 19

What action would you use to test C1 myotome?

Answer 19

Abduction of the fingers

Question 20

Which dermatome map divides the skin into strips?

Answer 20

Keegan and Garrett

Question 21

Which dermatome is tested in line with the nipple?

Answer 21

T5

Question 22

Where is T10 dermatome tested?

Answer 22

In line with the umbilicus

Question 23

Where is T12 dermatome tested?

Answer 23

Supra-pubis - i.e. Just above the pubic area

Question 24

Where is L1 dermatome tested?

Answer 24

Hip/upper anterior thigh

Question 25

Where is L2 dermatome tested?

Answer 25

Mid anterior thigh

Question 26

Where is L3 dermatome tested?

Answer 26

Anterior distal thigh, just above the knee

Question 27

Where is L4 dermatome tested?

Answer 27

Mid medial leg

Question 28

Where is L5 tested?

Answer 28

Mid lateral leg

Question 29

Where is S1 tested?

Answer 29

Lateral plantar surface of foot

Question 30

Where is S2 tested?

Answer 30

Mid posterior thigh

Question 31

Where is S3 tested?

Answer 31

Outer buttocks

Question 32

Where is S4 tested?

Answer 32

Mid buttocks

Question 33

Where is S5 tested?

Answer 33

Inner buttocks

Question 34

Which movement tests L2 dermatome?

Answer 34

Hip Flexion

Question 35

Which movement tests L3 dermatome?

Answer 35

Hip adduction

Question 36

Which movement tests L4 myotome?

Answer 36

Extension of the knee

Question 37

Which movement tests L5 dermatome?

Answer 37

Dorsiflexion of the foot

Question 38

Which movement tests S1 myotome?

Answer 38

Plantarflexion of foot