Anatomy / Dermatomes / Myotomes

Question 1

How to rate power 0 to 5?

Answer 1

Question 2

Hip flexion tests what nerve roots?

Iliopsoas

Answer 2

L1, L2

Question 3

Knee flexion (hamstrings) tests what nerve root?

Answer 3

L5,S1

L5 S1, kick my bum

https://wikimsk.org/wiki/Myotomes

Question 4

Ankle dorsiflexion tests what muscle and nerve root?

Answer 4

Tibialis anterior

L4

Question 5

Great toe extension tests what muscle and nerve root?

Answer 5

Extensor hallucis longus

L5

Question 6

Ankle plantar flexion tests what muscle and nerve root?

Answer 6

Soleus / gastrocnemius

S1

Question 7

Dermatomes of the upper limb - which covers thumb? middle 3 fingers? Little finger?

Answer 7

Thumb - C6
Middle 3 fingers - C7
Little finger - C8

Question 8

Dermatomes of the lower limb - which covers lateral leg, medial dorsum of foot, and great toe?

Answer 8

L5

Question 9

Dermatomes of the lower limb - where does S1 cover?

Answer 9

Lateral dorsum of foot (4th & 5th toes), heel and sole of foot except great toe.

Question 10

Dermatomes of the lower limb - where does L4 cover?

Answer 10

Medial lower leg

Question 11

Dermatomes of the lower limb - where does L2 cover?

Answer 11

Anterior thigh and lateral thigh

Question 12

Dermatomes of the lower limb - where does L3 cover?

Answer 12

Anterior - medial thigh, knee

Posterior - medial thigh

Question 13

Upper limb myotomes - which nerve root is tested by shoulder abduction?

Answer 13

C5

Question 14

Upper limb myotomes - which nerve root is tested by shoulder adduction?

Answer 14

C6, C7

Question 15

Upper limb myotomes - which nerve roots are tested by elbow flexion?

Answer 15

C5, C6

Question 16

Upper limb myotomes - which nerve roots are tested by elbow extension?

Answer 16

C7, C8

Question 17

Upper limb myotomes - which nerve root is tested by wrist flexion / extension?

Answer 17

C6, C7

Question 18

Upper limb myotomes - which nerve root is tested by

1. finger extension?
2. adduction?

Answer 18

1. C7, C8

2. T1

Question 19

What nerve roots are responsible for the knee jerk reflex / knee extension?

Answer 19

L3/L4

3, 4 - kick the door

Question 20

What nerve roots are responsible for the ankle jerk reflex (Achilles reflex)
(plantarflexion)

Answer 20

S1/S2

1,2 - buckle my shoe

Question 21

What nerve roots are responsible for the biceps and brachioradialis reflex? (Elbow flexion)

Answer 21

C5 / C6

5,6 - pick up sticks

Question 22

What nerve roots are responsible for the triceps reflex / elbow extension?

Answer 22

C7 / C8

7,8 - lay them straight