Upper Limb Anatomy

Question 1

Subclavian to axillary artery at what point?

Answer 1

lateral border 1st rib

Question 2

axillary to brachial artery

Answer 2

inferior border teres major

Question 3

brachial plexus

Answer 3

C5 - T1

Question 4

upper trunk brachial plexus

Answer 4

C5+6

Question 5

middle trunk brachial plexus

Answer 5

C7

Question 6

lower trunk brachial plexus

Answer 6

C8+T1

Question 7

Branch of lateral cord brachial plexus

Answer 7

musculocutaneous + median

Question 8

branch medial cord brachial plexus

Answer 8

ulnar + median

Question 9

branch posterior cord brachial plexus

Answer 9

axillary + radial

Question 10

radial artery on same side as what vein

Answer 10

cephalic

Question 11

ulnar artery on same side as which vein

Answer 11

basilic

connected to cephalic via median cubital

Question 12

Median cubital vein moves blood from what vein to what vein

Answer 12

Cephalic to basilic

Question 13

lymph nodes of upper limb

Answer 13

axillary nodes

Question 14

Type of joint is acromioclavicular?

and sternoclavicular?

Answer 14

plane synovial

synovial saddle

Question 15

function of glenoid labrum

Answer 15

stabilise joint and deepen glenoid fossa

Question 16

function of rotator cuff muscles

Answer 16

stabilise the glenohumeral joint

Question 17

nerve supply deltoid

Answer 17

axillary nerve
C5 - 6

Also supplies teres minor

Question 18

action of pectorals major on shoulder joint

Answer 18

adduction

Question 19

vein found in deltopectoral triangle (triangle at anterior part of shoulder joint)

Answer 19

subclavian vein

Used for central lines

Question 20

nerve supply serratus anterior

Answer 20

long thoracic nerve

Question 21

Trapezius innervation

Answer 21

Accessory Nerve

Cranial Nerve XI

Question 22

Lateral rotators of shoulder joint

Answer 22

all muscles on back of shoulder

except teres major + latissimus dorsi which are opposite as inserts onto front of humerus

Question 23

Medial rotators of shoulder joint

Answer 23

all muscles on front of shoulder + teres major and latissimus dorsi

Question 24

muscles in anterior flexor compartment of arm

Answer 24

BBC muscles
Biceps Brachii
Brachialis
Coracobrachialis

Question 25

Innervation BBC muscles

Answer 25

Musculocutaneous nerve C5,6,7 from lateral cord + upper trunk (supplies muscles in upper arm + cutaneous sensation in lateral forearm)

Question 26

musculocutaneous nerve root values

Answer 26

C5,6,7 only nerve to pierce through muscles (coracobrachialis and biceps)

Question 27

contents of cubital fossa

Answer 27

really need beer to be at my nicest radial n biceps tendon brachial artery median n

Question 28

innervation triceps + anconeus

Answer 28

Radial n C5-T1, posterior cord Innervates ALL extensors

Question 29

radio ulna joints

Answer 29

pivot synovial PIVOTTTT

Question 30

supinators of forearm

Answer 30

biceps brachii | supinator

Question 31

pronators of forearm

Answer 31

pronator teres | pronator quadratus

Question 32

Muscles of front of forearm do what action

Answer 32

Flex wrist + pronators

Question 33

Innervation superficial flexors of wrist

Answer 33

Median nerve EXCEPT flexor carpi ulnaris — ulnar nerve

Question 34

Innervation brachioradialis

Answer 34

Radial nerve

Question 35

intermediate muscles of forearm

Answer 35

flexor digitorum superficialis | Flexes PIP, MCP + wrist has 4 tendons going to the intermediate phalanx

Question 36

innervation intermediate group muscles of forearm

Answer 36

median nerve

Question 37

deep muscles of forearm

Answer 37

flexor digitorum profundus (ulnar side) flexor pollicis longus (radial side - moves thumb) pronator quadratus

Question 38

innervation flexor digitorum profundus

Answer 38

median half = ulnar nerve | lateral half = median nerve

Question 39

fibrous band creating carpal tunnel

Answer 39

flexor retinaculum

Question 40

what happens to palmaris longus muscle at palm of hand

Answer 40

palmar aponeurosis

Question 41

root values median nerve

Answer 41

C5 - T1 | whole brachial plexus

Question 42

thenar muscles

Answer 42

abductor pollicus brevis flexor pollicus brevis opponens pollicus (lies deep to other 2)

Question 43

hypothenar muscles

Answer 43

adbuctor digiti minimi flexor digiti minimi opponens digiti minimi (deep to other 2)

Question 44

hypothenar innervation

Answer 44

ulnar nerve | C8 - T1

Question 45

lumbricals come from the tendon of which muscle

Answer 45

flexor digitorum profundus

Question 46

innervation lumbricals

Answer 46

medial 2 = ulnar nerve | lateral 2 = median nerve

Question 47

actions of interossei

Answer 47

DAB PAD dorsal interossei = abduct fingers palmar interossei = adduct fingers

Question 48

interossei inervation

Answer 48

ulnar nerve (C8-T1)

Question 49

root values ulnar nerve

Answer 49

C8 - T1

Question 50

root values median nerve

Answer 50

C5 - T1 (whole brachial plexus)

Question 51

bones of the hand

Answer 51

She Looks Too Pretty Try To Catch Her ``` Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate ```

Question 52

type of joint at wrist

Answer 52

synovial condyloid / ellipsoid

Question 53

common extensor origin in forearm

Answer 53

lateral epicondyle

Question 54

action of extensor carpi muscles

Answer 54

radialis longus radialis brevis = extension + abduction of WRIST JOINT (not fingers!!) ulnaris = extension + adduction

Question 55

innervation of muscles in posterior forearm

Answer 55

radial nerve