Upper Extremity Flashcards Preview

Bree - Structures > Upper Extremity > Flashcards

Flashcards in Upper Extremity Deck (41):
1

once the axillary artery passes out from under the teres major it is called the

brachial artery

2

what branch does the brachial artery giver off

profunda brachii

3

what does the profunda brachii artery run with

the radial nerve

4

what does the brachial artery in the arm run with

median and ulnar nerve *ulnar curves of medially near medial epicondyle

5

what does the brachial artery split into and where

ulnar and radial arteries in the cubital fossa

6

what are the main veins in the arm and where do they run

1. cephalic with radial side
2. basilic on ulnar side

7

where do cephalic and basilic veins come together

median cubital in the cubital fossa

8

what vein runs down the anterior forearm

antebrachial

9

what does the axillary sheath contain

axillary artery and vein, cords of brachial plexus as it passes through the axilla

10

what is the lateral cord composed of

anterior branches of the superior and middle trunks.

11

what is the main branch off the lateral cord

musculocutaneous (C5-7)

12

what is the medial cord composed of

anterior branches of the inferior trunk

13

what is the main branch of the medial cord

the ulnar nerve (c8-t1)

14

what is the posterior cord composed of

posterior branches of the superior, middle, and inferior trunks

15

what is the main branch of the posterior cord

axillary (C5/6 WEIRD!) and radial (C5-T1)

16

what does the medial cord branch to (smaller divisions)

medial pectoral, medial cutaneous nerve of the forearm (median antebrachial), medial cutaneous nerve of the arm (medial branchial)
*peeing can feel agreeable*

17

what does the posterior cord branch to (smaller divisions)

upper subscapular (C5/6 WEIRD!)
thoracodorsal (C6-8 WEIRD!)
lower subscapular (C5-C6 WEIRD!)
*Usually students tend to listen sharply*

18

what does the lateral branch to (smaller divisions)

dorsal scapular (C5, from ramus)
suprascapular (C5/6 from trunk)
nerve to subclavius (C5/6 from trunk)
lateral pectoral (C5-7 from cord)
*dinner is to supper as soon is to late*

19

what does the axillary nerve innervate

deltoid and teres minor muscles (senses lateral aspect of the arm)

20

what does the musculocutaneous nerve innervate

all muscles in anterior compartment (flexor) in arm

21

what does the median nerve innervate

flexor muscles of forearm EXCEPT 1.5
flexor carpi ulnaris and medial half of flexor digitorum profundus

22

what nerve runs in carpal tunnel and gets compressed

median

23

what does the ulnar nerve innervate

intrinsic muscles of the hand and flexor carpi ulnaris and ulnar portion of flexor digitorum profundus (takes the 1.5 away from median)

24

where does the ulnar nerve run

Guyon's cancal - passes between pisiform and hook of hamate

25

what does thoracodorsal nerve innervate

latissimus dorsi

26

what does upper subscapular nerve innervate

superior part of subscapularis

27

what does lower subscapular nerve innervate

teres major and inferior part of subscapularis

28

what does radial nerve innervate

extensor muscles of posterior compartments of upper limb and forearm
ALSO brachioradialis which is a flexor but in the posterior compartment

29

what does compression of the radial nerve cause

saturday night palsy with inability to extend elbow and causes flexed wrist

30

where does the musculocutaneous run

between biceps and brachialis

31

where does the radial nerve run

with profunda brachii artery between brachialis and triceps

32

where do median and ulnar nerve travel

either side of brachial artery

33

what is the quadrangular space

in upper limb bounded by long head of triceps and humerus, contains axillary nerve and posterior circumflex humeral artery

34

what is the triangular space

bounded by long and lateral heads of triceps, contains profunda brachii artery and radial nerve

35

ABductors of the arm

15 degrees: supraspinatus (suprascapular nerve)
Then Deltoid (axillary nerve)
Serratus anterior completes to swing scapula away (long thoracic nerve)

36

ADductors of the arm

Latissimus dorsi (thoracodorsal nerve)
Pec major (medial and lateral pec nerve)
Teres major (lower subscapular nerve)

37

Medial rotators of the arm

subscapularis (upper and lower subscapular)
pec major (medial and lateral pec nerve)

38

lateral rotators of the arm

infraspinatus (suprascapular)
teres minor (axillary nerve)

39

arm flexor

biceps brachii
coracobrachialis

40

arm extensors

deltoid (posterior part)
latissimus dorsi

41

anterior arm flexors

ALL innervated by musculocutaneous
Biceps brachi (flexes mostly shoulder, some forearm, wants to supinate)
Coracobrachialis
Brachialis