UE A and P

Question 1

Bones of Upper Extremity (arm-forarm, not wrist/hand)

Answer 1

clavicle
scapula
humerus
radius

Question 2

serratus anterior

Answer 2

protracts scapula and hold against thorax

rotates scapula

Question 3

triceps brachii action

Answer 3

extension of elbow

Question 4

brachialis action

Answer 4

primary flexion of elbow

Question 5

main blood supply of arm

Answer 5

brachial artery

continuation of axillary artery

Question 6

flexors of arm

Answer 6

biceps brachii
brachialis
coracobrachialis

Question 7

extensors of arm

Answer 7

triceps brachii

Question 8

innervation of flexors of arm

Answer 8

musculocutaneous n.

Question 9

innervation of extensors of arm

Answer 9

radial nerve

Question 10

biceps brachii proximal attachment

Answer 10

short head = coracoid process of scapula

long head = supraglenoid tubercle of scapula (intracapsular tendon)

Question 11

distal attachment of biceps brachii

Answer 11

bicipital tuberosity of radius

Question 12

biceps brachii nerve supply

Answer 12

musculocutaneous n C 5, C6*, C7

Question 13

primary supinator of forearm

Answer 13

biceps brachii

Question 14

only bone in forearm to rotate

Answer 14

radius

thumb side/lateral

Question 15

proximal articulation of radius

Answer 15

articulates with capitulum of humerus and ulnar notch of ulna

Question 16

radius distal articulation

Answer 16

with ulna

distal radioulnar joint

Question 17

annular ligament

Answer 17

holds head of radius firmly in place

Question 18

ulna proximal articulation

Answer 18

trochlea of humerus

radial head lateral

Question 19

olecranon process

Answer 19

of ulna

fits in olecranon fossa of posterior humerus

Question 20

trochlear notch

Answer 20

olecranon of ulna and humerus , coronoid of ulna and humerus

Question 21

proximal bones of the wrist

Answer 21

PTLS

Pisiform
Triquetrium
Lunate
Scaphoid

Question 22

distal bones of wrist

Answer 22

HCTT

hamate
capitate
trapezoid
trapezium

Question 23

bones of hand

Answer 23

metacarpals

phalanx (14 -thumb is only proximal and distal)

Question 24

joints of hand

Answer 24

Metacarpophalangeal (MCP) 
proximal interphalangeal (PIP) 
distal interphalangeal (DIP)

Question 25

intrinsic muscles of the hand

Answer 25

thenar (thumb) hypothenar (pinky) short muscles

Question 26

sternoclavicular joint (SC)

Answer 26

medial clavicle articulates with sternum

Question 27

acromioclavicular joint (AC)

Answer 27

lateral clavicle and acromion of scapula articulate

Question 28

Gelnohumeral joint

Answer 28

humerus articulation with scapula "shoulder joint"

Question 29

joints of shoulder girdle

Answer 29

AC SC Glenohumeral joint

Question 30

projections of the humerus

Answer 30

greater tubercle and lesser tubercle places of muscle attachment

Question 31

intrinsic muscle of shoulder girdle

Answer 31

rotator cuff (S.I.T.S.) Supraspinatus Infraspinatus Teres minor Subscapularis

Question 32

serratus anterior innervation

Answer 32

supplied by long thoracic nerve | if issue = winged scapula

Question 33

superficial posterior muscles of shoulder

Answer 33

trapezius

Question 34

trapezius function of fibers (Superior, inferior, middle)

Answer 34

superior fibers elevate scapula inferior fibers depress scapula middle fibers retract scapula

Question 35

posterior deep muscle of shoulder girdle

Answer 35

rhomboids (major, minor)

Question 36

rhomboids function

Answer 36

retract scapula rotate scapula to depress glenoid fossa hold scapula against thorax

Question 37

supraspinatus function

Answer 37

initiates and assists deltoid in abduction of arm acts w.other rotator cuff muscles

Question 38

infraspinatus

Answer 38

laterally rotates arm acts with other rotator cuff muscles

Question 39

teres minor

Answer 39

laterally rotates arm acts with other rotator cuff muscles

Question 40

subscapularis

Answer 40

medially rotates arm helps hold head of humerus in glenoid fossa

Question 41

innervation pectoralis major and minor

Answer 41

lateral and medial pectoral nerves C5, 6*, 7*, 8* & T1)

Question 42

innervation serratus anterior

Answer 42

long thoracic nerve C5, C6*, C7*

Question 43

innervation trapezius

Answer 43

spinal accessory (CN XI motor) C3 and C4 n. for pain and proprioception

Question 44

blood supply of the shoulder and arm

Answer 44

supplied from branches off the subclavian, axillary, or brachial arteries

Question 45

Golfer's elbow

Answer 45

flexors/pronators of forearm attach to medial epicondyle of humerus

Question 46

tennis elbow

Answer 46

extensors/supinators attach to lateral epicondyle of humerus

Question 47

innervation of forearm anterior compartment

Answer 47

supplied by median nerve

Question 48

innervation of forearm posterior compartment

Answer 48

posterior interosseous nerve

Question 49

innervation of the hand

Answer 49

cervical nerve roots (C6, 7, 8) peripheral nerves (radial, median, and ulnar supply all surfaces of the hand)

Question 50

C6 of hand

Answer 50

thumb

Question 51

C7 of hand

Answer 51

medial fingers

Question 52

C8 of hand

Answer 52

pink fingers