Radiculopathy

Question 1

L2

Answer 1

hip flexion

Question 2

L3

Answer 2

 Affects the anterolateral area of the thigh.
 Knee extension.
 Hip adduction.
 Patellar reflex.

Question 3

L4

Answer 3

 Affects the medial malleolus.
 Knee extension.
 Hip adduction.
 Patellar reflex.

Question 4

L5

Answer 4

 Dorsiflexion of the affected toe (foot drop, muscle affected: tibialis anterior).
 Sensation of the dorsum of foot and big toe.
 Disc will decrease the power and tone.

Question 5

DDx for L5

Answer 5

▪ L4-L5 posterolateral disc prolapse.
▪ L5-S1 extreme lateral disc prolapse.
▪ Common peroneal nerve injury.
▪ Parasagittal meningioma.
▪ Spinal tumor.

Question 6

What we do in L5?

Answer 6

MRI & NCS

Question 7

S1

Answer 7

 Weakness: inability of eversion of foot.
 Loss of planter flexion.
 Achilles/ ankle reflex.

Question 8

S2, S3, S4

Answer 8

 Pudendal nerve.
 Urinary incontinence (parasympathetic).

Question 9

T2

Answer 9

Angina-like pain

Question 10

Hip flexion

Answer 10

L1,2

Question 11

Hip extension

Answer 11

L5, S1

Question 12

Knee flexion

Answer 12

L5, S1

Question 13

Knee extension

Answer 13

L3,4

Question 14

Ankle dorsiflexion

Answer 14

L4

Question 15

Ankle plantarflexion

Answer 15

S1,2

Question 16

1st metatarsal extension

Answer 16

L5

Question 17

Achilles reflex

Answer 17

S1, S2 (“buckle my shoe”)

Question 18

Patellar reflex

Answer 18

L2-L4 (“kick the door”)

Question 19

Biceps and brachioradialis reflexes

Answer 19

C5, C6
(“pick up sticks”)

Question 20

Triceps reflex

Answer 20

C6, C7, C8 (“lay them straight”)