Revision: Nerves

Question 1

dorsal scapula nerve supplies

Answer 1

rhomboids and occasionally levator scapulae

Question 2

neve to subclavius supplies

Answer 2

subclavius

Question 3

suprascapular nerve supplies

Answer 3

supra and infraspinatus

Question 4

lat pectoral nerve

Answer 4

pec M

Question 5

musculocutaneous nerve

Answer 5

BBC

skin of lateral aspect of 4arm

Question 6

median nerve

Answer 6

palmar skin

anterior forearm muscles apart from FCU and medial half of FDP

most of thenar muscles of hand (opponens pollicis, abductor pollicis brevis, superficial part of flexor pollicis brevis

lateral 2 lumbricals

Question 7

medial pectoral nerve

Answer 7

pec m, sternocostal head of pec M

Question 8

medial cutaneous nerve of arm

Answer 8

skin of medial side of arm down to med. epicondyle of humerus and olecranon process of ulna

Question 9

medial cutaneous nerve of forearm

Answer 9

skin of medial side of forearm down to wrist

Question 10

ulnar nerve

Answer 10

FCU, med 1/2 of FDP

hypothenar muscles: abductor and opponens DM, flexor DM brevis

adductor pollicis and deep head of flexor pollicis brevis

interossei

medial 2 lumbricals

skin of hand lateral to middle of 4th digit

Question 11

upper subscapular nerve

Answer 11

subscapularis

Question 12

lower subscapular nerve

Answer 12

subscapularis and teres major

Question 13

thoracodorsal nerve

Answer 13

latissimus dorsi

Question 14

axillary nerve

Answer 14

deltoid, teres minor, regimental badge area (superolateral arm)

Question 15

radial nerve

Answer 15

muscles of posterior arm and forearm

posterior and inferolateral arm and posterior forearm skin

dorsum of hand lateral of medial 1.5 fingers

Question 16

sciatic nerve roots, landmarks used to find it

Answer 16

L4-S3

PSIS and ischial tuberosity, as it passes through the greater sciatic foramen

Question 17

femoral nerve roots

Answer 17

L2-4

Question 18

Obturator nerve roots

Answer 18

L2-4

Question 19

superior/inferior gluteal nerve roots

Answer 19

L4-S1, L5-S2, posterior branches

Question 20

pudendal nerve roots

Answer 20

S2-4

Question 21

lower/upper subscapular nerve roots

Answer 21

C5,6/C6,7

Question 22

medial/lateral pectoral nerve roots

Answer 22

C8,T1/C5,6,7

Question 23

suprascapularis nerve roots

Answer 23

C4,5,6

Question 24

thoracodorsal nerve roots

Answer 24

C6,7,8

Question 25

dorsal scapular nerve roots

Answer 25

C4,5

Question 26

nerve roots of nerve to subclavius

Answer 26

C5,6

Question 27

route of femoral nerve

Answer 27

from L2,3,4 lumbar nerves within the psoas muscle(anterior to sacroiliac joint), enters thigh deep to inguinal ligament, nerve passes underneath inguinal ligament

Question 28

route of sup/inferior gluteal nerve

Answer 28

leave pelvis via greater sciatic foramen, emerge above/below the piriformis