Nerve innervations

Question 1

Brachial plexus comes from which spinal levels

Answer 1

C5-T1

Question 2

Which nerve innervates rhomboids and levator coming off of C5

Answer 2

dorsal scapular nerve

Question 3

Which nerve innervates serratus an comes off of C5-C7

Answer 3

long thoracic

Question 4

Which nerve innervates subclavius and comes off the superior trunk of the plexus?

Answer 4

nerve to subclavius

Question 5

Which nerve innervates infra and supra spinatus and comes off the superior trunk of the plexus?

Answer 5

suprascapular nerve

Question 6

Which nerves innervate pec major and minor and comes off the lateral and medial cords?

Answer 6

lateral and medial pectoral nerve

Question 7

Which nerve innervates subscapularis and comes off the posterior cord?

Answer 7

upper scapular nerve

Question 8

Which nerve innervates lats and comes off the posterior cord?

Answer 8

thoracodorsal nerve

Question 9

Which nerve innervates subscap and teres major and comes off the posterior cord?

Answer 9

lower scapular nerve

Question 10

Which nerve innervates the bracioradialis, triceps, supinator, wrist extensors, aconeus and comes off the posterior cord?

Answer 10

radial nerve

Question 11

Which nerve innervates delts, teres minor and comes off the posterior cord?

Answer 11

axillary nerve

Question 12

Which nerve innervates coracobrachialis, biceps and brachialis and comes off the lateral cord?

Answer 12

musculocutaneous nerve

Question 13

What nerve forms from lateral and medial cords?

Answer 13

median

Question 14

What nerve innervates most of the small muscles in the hand and comes off the medial cord?

Answer 14

ulnar nerve

Question 15

Lumbar plexus innervates

Answer 15

psoas major and minor
QL

Question 16

Sacral plexus innervates

Answer 16

piriformis
superior and inferior gemelli
obturator internus
quadratus femoris

Question 17

Inferior gluteal nerve innervates

Answer 17

glute max

Question 18

Superior gluteal nerve innervates

Answer 18

glute med/min
TFL

Question 19

Femoral nerve innervates

Answer 19

vastus lateralis
rectus femoris
vastus medialis
vastus intermedius
iliacus
sartorius
pectineus

Question 20

Obturator nerve innervates

Answer 20

adductor longus
adductor brevis
adductor magnus
obturator externus
gracilis

Question 21

Tibial nerve innervates

Answer 21

soleus
popliteus
plantaris
tibialis posterior
gastroc
flexor hallucis longus
flexor digitorum longus

Question 22

Sciatic nerve-tibial division innervates

Answer 22

semitend and semimem
biceps femoris

Question 23

Sciatic nerve-common fibular division innervates

Answer 23

biceps femoris (short head)

Question 24

Deep fibular nerve innervates

Answer 24

anterior tib
extensor digitorum longus
extensor hallucis longus
fibularis tertius
extensor digitorum brevis

Question 25

Superficial fibular nerve innervates

Answer 25

fibularis longus and brevis

Question 26

Medial plantar nerve innervates

Answer 26

abductor hallucis lumbrical I flexor digitorum brevis and hallucis brevis

Question 27

Lateral plantar nerve innervates

Answer 27

abductor digiti minimi flexor digiti minimi opponens digit minimi dorsal interossei quadratus plantae adductor hallucis lumbrical II, III, IV plantar inerossei