muscle innervations

Question 1

what does the supraspcapular nerve supply?

Answer 1

supraspinatus

infraspinatus

Question 2

what muscles does the axillary nerve innervate?

Answer 2

teres minor

deltoid

Question 3

what does the CN XI supply?

Answer 3

aka spinal acessory nerve

trapezius

Question 4

what does the long thoracic nerve supply?

Answer 4

serratus anterior

Question 5

what does the thoracodorsal nerve innervate?

Answer 5

latissimus dorsi

Question 6

what does the subscapular nerve innervate?

Answer 6

subscapularis

teres major

Question 7

what innervates the pectoralis major?

Answer 7

medial and lateral pectoral nerve

Question 8

what does the musculocutaneous supply?

Answer 8

coracobrachialis

biceps brachii

brachilais

(anterior upper arm)

Question 9

what does the radial nerve supply ?

Answer 9

all posterior arm

Triceps brachii

Extensor carpi radialis longus

Brachioradialis

Anconeus

Extensor carpi radialis brevis

Supinator

Abductor pollicis longus

Extensor carpi ulnaris

Extensor digiti minimi

Extensor digitorum

Extensor indicis — extends the index finger and to some extent wrist extension.

Extensor pollicis brevis — extends and abducts the thumb at the carpometacarpal and metacarpophalangeal joints.

Extensor pollicis longus

Question 10

what does the median nerve supply?

Answer 10

Pronator teres

flexor carpi radialis

palmaris longus

Flexor digitorum superficialis

Flexor pollicis longus

pronator quadratus

lateral half of the flexor digitorum profundus

F: flexor pollicis brevis.

O: opponens pollicis.

A: abductor pollicis brevis.

L: lateral two lumbricals.

Question 11

what nerve supplies the vastus muscles?

the rectus femoris?

adductor muscles?

illiacus?

gracillus?

obturator externus?

obturator internus?

Answer 11

femoral

femoral

obturator

femoral

obturator

obturator

nerve to obturator internus

Question 12

nerve supply to?

piriformis?

superior glemellus?

inferior glemellus?

gluteus medius?

minimus?

maximus?

tensor facia latae?

Answer 12

nerve to piriformis?

nerve to obturator internus

nerve to quadratus femoris

superior gluteal nerve

superior gluteal nerve

inferior gluteal nerve

superior gluteal nerve

Question 13

nerve supply to:

psoas major?

pectineus?

semimembranosus?

semitendinosus?

biceps femoris?

Answer 13

anterior rami of spinal nerves L1-3

femoral and obturator

tibial division of sciatic

tibial division of sciatic

long head = tibial division, short = fibular division

Question 14

nerve supply to:

tibialis anterior?

extensor hallucis longus

externsor digitorum longus?

fibularis brevis and longus?

tabilais posterior?

flexor hallucis longus

flexor digitorum longus?

Answer 14

deep fibular nerve

deep fibular

deep fibular

superficial fibular

tibial nerve

tibial

tibial

Question 15

peripheral nerve cutaneous area:

femoral?

lateral cutaneous nerve?

deep fibular?

superficial fibular?

sural?

medial calcaneal?

medial and lateral plantar nerves?

Answer 15

anteromedial thigh and medial lower leg to medial foot (saphenous)

lateral thigh - Meralgia paresthetica

first web space

dorsum of foot, distal lateral lower leg

posterolateral lower leg to lateral foot

heel

self explanatory

Question 16

where does the radial nerve supply?

median?

axillary?

musculocutaneous?

unlar?

Answer 16

dorsum of hand -radial 3 digits, posterior mid forearm

palms of hand - radial 3 digits, tips of those fingers on the dorsum of hand

regemental badge

anterolateral forearm

ulnar 2 fingers down to wrist