quiz #1 (Cindy) Flashcards
(75 cards)
the brachial plexus is formed from the ______ roots of spinal nerves ______
anterior roots of nerves C5-C8 & T1
3 trunks of brachial plexus
superior, middle, inferior
divisions of brachial plexus
anterior & posterior
roots of brachial plexus
lateral, anterior, medial
terminal branches of brachial plexus
musculocutaneous
axillary
radial
median
ulnar
what part of the neck are the trunks of the brachial plexus on?
inferior
where do the roots of the brachial plexus pass?
between the anterior and middle scalene and subclavian artery
what spinal nn do the median nn inervate
lateral root: C6-C7
medial root: C8-T1
the musculaocutaneous nn originates from what level
C5-C7 on terminal branch of lateral cord
the radial nn originates from what level
C5-T1
the ulnar nn originates from what level
C8-T1
what mms are innervated by axillary nn
deltoid, teres minor
what mms innervated by the musculocutaneous nn
coracobrachialis, biceps brachaii, brachialis
what 2 mms do the musculocutaneous nn pass through
biceps brachaii & brachalis
what mms innervated by the radial nn
triceps, anconeus, brachiradialis, extensor carpi ulnaris, extensor carpi radials, extensor digitorum, extensor indicis, extensor digiti minimi, abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, supinator
long thoracic nn innervates
serrates anterior
what tunnel does the median nn pass through
carpal tunnel
what do the ulnar nn travel through
cubital tunnel of elbow and then though the tunnel of guyon in the medial hand
___________ a broad shallow oblique depression for the radial nn and deep brachial artery. located on the centre of the lat border of humerus
radial groove
do the median nn innervate flexor carpi ulnas and ulnar half of flexor digitorum profundus?
no
what nn innervates the skin of hand (medial) and medial 1 1/2 digits?
ulnar
the superior lateral brachial cutaneous nn is a branch of the
axillary nn
what nn innervates the skin of the posterior inferolateral arm, posterior forearm and dorsum of hand of proximal lateral 3 1/2 digits
radial
what tunnel of the hand do the ulnar nn pass through
tunnel of guyon