brachial plexus

Question 1

which nerve roots does musculocutaneous come from?

Answer 1

C5, C6, C7

Question 2

which nerve roots does axillary come from?

Answer 2

C5 + C6

Question 3

which nerve roots does median come from?

Answer 3

C6, C7, C8, T1

Question 4

which nerve roots does radial come from?

Answer 4

all of them !! C5-T1

Question 5

which nerve roots does ulnar come from?

Answer 5

C8 + T1

Question 6

motor innervation of axillary

Answer 6

teres minor

deltoid

Question 7

musculocutaneous motor innervation

Answer 7

BBC
brachialis
biceps brachi
coracobrachialis

Question 8

median motor innervation

Answer 8

LOAF muscles of hand

Lateral 2 Lumbricals
Opponens pollicis
Abductor pollicis brevis
Flexor pollicis brevis

(last 3 - opposes, abducts, flexes thumb)

Question 9

motor innervation of radial

Answer 9

triceps brachii
pos compartment of forearm
extensors of hand

Question 10

ulnar motor innervation

Answer 10

hands minus LOAF
flexor carpis ulnaris + flexor digitorum profundus
–> anterior forearm of arm

Question 11

what nerves does anterior C5 root supply?

Answer 11

axillary
musc
radial

Question 12

what nerves does anterior C6 root supply?

Answer 12

axillary
musc
median
radial

Question 13

what nerves does anterior C7 root supply?

Answer 13

musc
median
radial

Question 14

what nerves does anterior C8 + T1 root supply?

Answer 14

ulnar
median
radial

(both same)