Innervation

Question 1

Lumbar Plexus innervates ?

Answer 1

1. Psoas Major/ Minor

2. Quadratus lumborum

Question 2

Sciatic Nerve-Tibial division innervates?

Answer 2

1. Semitendinosus
2. Semimembranosus
3. Biceps femoris (long head)

Question 3

Sciatic Nerve-Common Peroneals Division innnervates/

Answer 3

Biceps femoris (short head)

Question 4

Sacral Plexus innervates?

Answer 4

1. Piriformis
2. Superior gemelli
3. Inferior gemelli
4. Obturator internus
5. Quadratus femoris

Question 5

Interior Gluteal Nerve innervates?

Answer 5

Gluteus Maximus

Question 6

Deep Peroneal Nerve innervates?

Answer 6

1. Tibialis anterior
2. Extensor digitorum longus
3. Extensor hallucis longus
4. Peroneals tertius
5. Extensor digitorum brevis

Question 7

Superior Gluteal Nerve innervates?

Answer 7

1. Gluteus Medius
2. Gluteus Minimus
3. Tensor Fasciae Latae

Question 8

Superficial Peroneal Nerve innervates?

Answer 8

Peroneus longus

Peroneus brevis

Question 9

Femoral Nerve Innnervates?

Answer 9

1. Vastus lateralis
2. Rectus femoris
3. Vastus medialis
4. Vastus intermedius
5. Illiacus
6. Sartorius
7. PE tinel’s

Question 10

Medial Plantar nerve innervates?

Answer 10

1. abductor hallucis
2. Lumbrical I
3. Flexor digitorum brevis
4. Flexor hallucis brevis

Question 11

Obturator Nerve innervates?

Answer 11

1. Adductor longus
2. Adductor brevis
3. Adductor magnus
4. Obturator externus
5. Gracilis

Question 12

Lateral plantar nerve innervates?

Answer 12

1. Abductor digiti minimi
2. Flexor digiti minimi
3. Opponents digiti minimi
4. Dorsal interossei
5. Quadratus plantae
6. Adductor hallucis
7. Lumbrical II, III, IV
8. Plantar interossei

Question 13

Tibial Nerve innervates?

Answer 13

1. Soleus
2. Popliteus
3. Tibialis posterior
4. Plantaris
5. Gastrocnemius
6. Flexor hallucis longus
7. Flexor digitorum longus

Question 14

Abdominal Reflex occurs at what level?

Answer 14

T8-L1

Question 15

Corneal “blink” reflex test what nerves?

Answer 15

Trigeminal and facial nerves

Question 16

Cremasteric Reflex occurs at what spinal level?

Answer 16

L1-L2

Question 17

Gag occurs at what spinal level?

Answer 17

Glosspharyngeal and vagus nerves

Question 18

Plantar reflex occurs at what spinal level?

Answer 18

L5-S1

Question 19

Normal response for abdominal reflex?

Answer 19

Contraction of the abdominals and deviation of the umbilicus in the direction of the stimulus

Question 20

Normal response of the corneal “blink” reflex?

Answer 20

Both eyes will blink with contact to one eye

Question 21

Normal response of Cremasteric reflex?

Answer 21

A brisk and brief elevation of the testicle of the ipsilateral side

Question 22

Normal response of the Gag Reflex?

Answer 22

a Gag will occur post stimulation; may be absent in some percentage of the normal population

Question 23

Normal response of the Plantar Reflex?

Answer 23

Flexion of the toes

“Babinski reflex is the abnormal response that indicates CNS lesion)

Question 24

What is the Jendrassik maneuver?

Answer 24

The patient locks the fingers together and directly pulling against each other immediately prior to the reflex stimulus

(Used as a distraction when evaluating DTRs)