Nerve injury

Question 1

What is Neurapraxia?

Answer 1

Conduction block in a nerve

Question 2

What is axonotmesis

Answer 2

Axons divided

Question 3

Neurotmesis?

Answer 3

Nerve is divided

Question 4

What are the three types of nerve damage?

Answer 4

Neurapraxia
Axonotmesis
Neurotmesis

Question 5

Patient with a loss of hip flexion and knee extension. Nerve damage?

Answer 5

Femoral nerve

Question 6

Loss of adduction of the thigh. Nerve damage?

Answer 6

Obturator

Question 7

Buttock atrophy. What Nerve is damaged?

Answer 7

Inferior gluteal nerve

Question 8

Patient cannot flex their toes and invert their foot

Answer 8

Tibial nerve (high)

Question 9

Patient cannot extend their toes and there is foot drop. What nerve is damaged?

Answer 9

Common fibular nerve

Question 10

Myotome L2

Answer 10

Hip flexion

Question 11

Myotome L3

2

Answer 11

Knee extension

Hip adduction

Question 12

Myotome L4

Answer 12

Ankle dorsiflexion

Question 13

Myotome L5

Answer 13

great toe extension /ankle inversion / hip

abduction

Question 14

Myotome S1

Answer 14

ankle plantar-flexion/ankle eversion/ hip

extension (or L5)

Question 15

Myotome S2

Answer 15

knee flexion /great toe flexion

Question 16

What two muscles does the sciatic nerve travel between?

Answer 16

Between adductor magnus and long head biceps

femoris

Question 17

What muscle articulates with the head of the femur?

Answer 17

Biceps femoris

Question 18

Femoral nerve injury. What other branches would be effected (2)?

Answer 18

Medial cutaneous nerve of the thigh

Saphenous nerve

Question 19

What nerve is damaged?

Loss of all motor to leg (except adduction and flexion)

Answer 19

Sciatic

Question 20

Loss of flexion of the toes

Answer 20

Tibial nerve

Question 21

Loss of extension of the toes?

Answer 21

Common fibular

Question 22

Loss of sensation on sole of foot?

Answer 22

Tibial

Question 23

Loss of sensation on lower lateral leg and upper foot?

Answer 23

Common fibular