Elbow

Question 0

Radial tuberosity is the insertion point for what muscle?

Answer 0

Biceps brachii

Question 1

Lateral numeral articulating surface on distal border of lateral epicondyle?

Answer 1

Capitellum

Question 2

Indention of lateral epicondyle accepts the radial head during elbow flexion?

Answer 2

Radial fossa

Question 3

Radioulnar joints are classified as what type of joints?

Answer 3

Syndesmotic

Question 4

What is the bundle of UCL that is a primary restraint against a valgus force when the elbow is flexed beyond 60deg?

Answer 4

Posterior bundle

Question 5

Elbow ligament that is divisible into three unique section?

Answer 5

Ulnar collateral ligament UCL

Question 6

Bundle of UCL, primary restraint of a valgus force?

Answer 6

Anterior bundle

Question 7

When a varus stress is applied to the elbow, the accessory lateral collateral ligament (ALCL) assists what ligament in preventing the radial head from separating from the ulnar?

Answer 7

UCL

Question 8

What is the muscle that is the prime flexor of the elbow when the forearm is supinated?

Answer 8

Biceps Brachii

Question 9

Which muscle is the primary elbow flexor when the forearm is in its neutral position (radial side upward)?

Answer 9

Brachioradialis

Question 10

Which nerve enters the elbow at the arcade of Struthers?

Answer 10

Ulnar nerve

Question 11

What is the nerve that innervates the flexicarpiulnaris muscle and the medial portion of the flexor digitorum profundus in the forearm?

Answer 11

Ulnar nerve

Question 12

A patient with an acutely injured elbow will frequently assume the elbow’s resting position of ______ of flexion to minimize forces on the joint.

Answer 12

70degrees

Question 13

What is the angle formed by the long axis of the humerus and ulna known as?

Answer 13

Carrying angle

Question 14

What should the carrying angle of the elbow for men be/

Answer 14

5 to 10degrees

Question 15

What should the carrying angle of the elbow for women be?

Answer 15

10 to 15degrees

Question 16

What is an increase in the carrying angle of the elbow called?

Answer 16

Cubitus valgus

Question 17

What is it medically called when the alignment of the forearm and humerus fully extends beyond 0degree

Answer 17

Cubital recurvatum

Question 18

An isosceles triangle is formed by the medial epicondyle, lateral epicondyle, and the olecranon process when the elbow is flexed to what degree?

Answer 18

90degree

Question 19

A valgus stress performed on the elbow is assessing the integrity of which ligament?

Answer 19

UCL

Question 20

Male patients over what age commonly have bicep tendon ruptures?

Answer 20

40

Question 21

The incidence of biceps tendon rupture is greater by how many times in patients who smoke

Answer 21

7.5

Question 22

The medial epicondyle, lateral epicondyle, and olecranon process form what geometric shape during inspection of the posterior aspect of the elbow, when the patient’s elbow is flexed to 90deg?

Answer 22

Isosceles triangle

Question 23

Which of the following is the distal border of the semilunar notch

Answer 23

coronoid process

Question 24

Which is the most stabilizing structure of the lateral aspect of the elbow

Answer 24

LUCL

Question 25

What are the actions of the muscles originating from the lateral epicondyle?

Answer 25

flexion and supination

Question 26

Which muscle does NOT influence pronation or supination at the elbow

Answer 26

Triceps brachii

Question 27

Which of the following is the most important history finding regarding elbow trauma?

Answer 27

Onset and location of syndrome

Question 28

What is indicated by a hard end-feel with passive elbow flexion?

Answer 28

Loose body in the joint

Question 29

What ligament on the medial aspect of the elbow provides no valgus support

Answer 29

Transverse bundle

Question 30

What ligament is also referred to as the MCL of the elbow

Answer 30

UCL

Question 31

What movement doesn't occur at the elbow

Answer 31

deviation

Question 32

Which ligament encircles the radial head

Answer 32

Annular

Question 33

Wartenburg's sign evaluates what nerve

Answer 33

Ulnar

Question 34

Some people don't have this forearm muscle

Answer 34

Palmaris longus

Question 35

A forearm muscle that flexes the DIP joint of the fingers is the

Answer 35

Flexor Digitorum Profundus

Question 36

What motion do all of the "carpi" muscles perform

Answer 36

ulnar/radial deviation

Question 37

Which pronator muscle of the forearm also flexes the elbow

Answer 37

Pronator teres

Question 38

Which ligament of the medial elbow is commonly injured first

Answer 38

Anterior bundle

Question 39

Stress testing the elbow in both valgus and varus at 0 degrees is evaluating what structures

Answer 39

olecranon and coroniod processes

Question 40

The Hook test evaluates

Answer 40

Biceps tendon rupture

Question 41

THe tip of the 5th digit of the hand corresponds with which dermatome

Answer 41

C8

Question 42

The tip of the pointer finger corresponds with which dermatome

Answer 42

C6

Question 43

The tip of the middle finger corresponds with which dermatome

Answer 43

C7

Question 44

The deltoid muscle cap on the shoulder corresponds with which dermatome

Answer 44

C5

Question 45

A shoulder shrug demonstrates which myotome

Answer 45

C4

Question 46

Shoulder ABDuction demonstrates which myotome

Answer 46

C5

Question 47

Elbow flexion demonstrates which myotome

Answer 47

C6

Question 48

Elbow extension demonstrates which myotome

Answer 48

C7

Question 49

Finger ABD/ADD and flexion demonstrates which myotome

Answer 49

C8

Question 50

The inside of the forearm to arm pit area corresponds to which dermatome

Answer 50

T1

Question 51

Motions at the elbow

Answer 51

Flexion, EXTension, supination, pronation

Question 52

Muscles that cause flexion

Answer 52

biceps brachii, brachialis, supinator, brachioradialis

Question 53

Muscles that cause extension

Answer 53

triceps brachii, anconeus

Question 54

muscles that cause supination

Answer 54

biceps brachii, supinator, brachioradialis

Question 55

muscles that cause pronation

Answer 55

pronator teres, pronator quadratus, flexor carpi radialis

Question 56

anconeus action

Answer 56

elbow extension, stabilization of ulna during pronation and supination

Question 57

biceps brachii action

Answer 57

elbow flexion, supination, and shoulder flexion

Question 58

brachilalis action

Answer 58

elbow flexion

Question 59

brachioradialis action

Answer 59

elbow flexion, pronation, and mays assist in supination

Question 60

extensor carpi radialis brevis action

Answer 60

wrist extension, radial deviation

Question 61

extensor carpi radialis longus action

Answer 61

wrist extension, radial deviation

Question 62

extensor carpi ulnaris action

Answer 62

wrist extension, ulnar deviation

Question 63

extensor digitorum communis action

Answer 63

wrist extension, MCP extension, and PIP extension

Question 64

flexor carpi radialis action

Answer 64

pronation, wrist flexion, radial deviation, and elbow flexion

Question 65

flexor carpi ulnaris action

Answer 65

wrist flexion, ulnar deviation, and elbow flexion

Question 66

flexor digitorum profundus action

Answer 66

DIP, PIP, and wrist flexion

Question 67

flexor digitorum superficialis action

Answer 67

PIP, MCP, and wrist flexion

Question 68

Palmaris longus action

Answer 68

wrist flexion

Question 69

pronator quadratus action

Answer 69

pronation

Question 70

pronator teres action

Answer 70

pronation and elbow flexion

Question 71

supinator action

Answer 71

supination

Question 72

triceps brachii action

Answer 72

elbow and shoulder extension

Question 73

anconeus origin and insertion

Answer 73

O:posterior surface of the lateral epicondyle. I: lateral border of olecranon process

Question 74

biceps brachii origin and insertion

Answer 74

O; supraglenod tuberosity of scap and coracoid process of scap I: radial tuberosity

Question 75

Brachialis origin and insertion

Answer 75

O: distal 1/2 of ant humerus I: coronoid process of ulna and ulnar tuberosity

Question 76

brachioradialis origin and insertion

Answer 76

O:lateral supracondylar ridge of humerus I: styloid process of radius

Question 77

Extensor carpi radialis brevis origin and insertion

Answer 77

O: lateral epicondyle via the extensor tendon and radial collateral ligament I: base of the 3rd metacarpal

Question 78

Extensor carpi radialis longus origin and insertion

Answer 78

O: supracondylar ridge of the humerus I: radial side of the 2nd metacarpal

Question 79

Extensor carpi ulnaris origin and insertion

Answer 79

O: lateral epicondyle via the extensor tendon I: ulnar side of the base of the 5th metacarpal

Question 80

Extensor digitorum communis origin and insertion

Answer 80

O: lateral epiconyle via the extensor tendon I: the dorsal surface of the base of the PIP and DIP joints in the 4 fingers

Question 81

Flexor carpi radialis origin and insertion

Answer 81

O: medial epicondyle via the common flexor tendon I: palmar aspect of the bases of the 2nd and 3rd metacarpal bones

Question 82

Flexor carpi ulnaris origin and insertion

Answer 82

O: humeral head: medial epicondyle via the common flexor tendon I: pisiform, hamate, palmar aspect of the base of the 5th metacarpal

Question 83

flexor digitorum profundus origin and insertion

Answer 83

O: anteromedial proximal 3/4 of the ulna and associated interosseous membrane I: bases of the distal phalanges of the second through the 5th digits

Question 84

Flexor digitorum superficialis origin and insertion

Answer 84

O: medial epicondyle via the common flexor tendon and ulnar collateral ligament, coronoid process, and oblique line of radius. I: middle phalanges of the 2nd through 5th digits

Question 85

palmaris longus origin and insertion

Answer 85

O: medial epicondyle via the common flexor tendon I: flexor retinaculum and palmar aponeurosis

Question 86

Pronator quadratus origin and insertion

Answer 86

O: anterior surface of distal 1/4 ulna I: lateral portion of the distal 1/4 of the radius

Question 87

pronator teres origin and insertion

Answer 87

O: proximal to the medial epicondyle of the humerus and the coronoid process I: middle 1/3 of the lateral radius

Question 88

Supinator origin and insertion

Answer 88

O: lateral epicondyle, radial collateral ligament, annular ligament, supinator crest of the ulna I: proximal 1/3 of the radius

Question 89

Triceps brachii origin and insertion

Answer 89

O: infraglenoid tuberosity of scap, posterolateral surface of the proximal 1/2 of the humeral shaft, posteromedial surface of the humerus I: olecranon process of the ulna

Question 90

What is the terrible triad of the elbow?

Answer 90

Elbow dislocation associated with both radial head and coronoid fractures

Question 91

How many hours after injury does a Volkmann's contracture become irreversible?

Answer 91

4-6 hours

Question 92

what nerve is most commonly damaged with dislocation?

Answer 92

ulnar nerve

Question 93

what is a complex disloction of the elbow

Answer 93

involves at least one fracture along with a dislocation

Question 94

what is the most common elbow fracture in adults?

Answer 94

radial head fracture

Question 95

what four individual articulations does the elbow rely on to function properly?

Answer 95

humeralulnar joint, humeroradial joint, proximal radioulnar joint, and distal radioulnar joint

Question 96

which epicondyle is larger?

Answer 96

medial epicondyle

Question 97

what motions occur at the humeroulnar and humeroradial joint?

Answer 97

flexion and extension

Question 98

the UCL provides support to the medial elbow against what kind of force?

Answer 98

valgus force

Question 99

what section makes up the UCL?

Answer 99

anterior, transverse, and posterior bundle

Question 100

What ligaments provide lateral support to the elbow?

Answer 100

Radial collateral ligament(RCL) annular ligament lateral ulnar collateral ligament (LUCL) accessory lateral collateral ligament (ALCL)

Question 101

What muscle is the primary flexor of the elbow when in pronation, supination, and the neutral position?

Answer 101

biceps brachii (supination) brachialis (pronation) brachioradialis (neutral position)

Question 102

what are the primary pronators of the forearm?

Answer 102

pronator teres and pronator quadratus

Question 103

the ulnar nerve enters the elbow and the wrist via what structures respectively to innervate what muscles?

Answer 103

Arcade of Struthers (elbow) and Tunnel of Guyon (wrist). Innervates flexor carpi ulnaris muscle and medial portion of flexor digitorum frofundus

Question 104

the radial nerve branches off in to what two branches to provide what kind of innervation respectively?

Answer 104

Superficial branch to provide sensation (sensory innervation) and Deep branch to provide motor innervation

Question 105

what four individual articulations does the elbow rely on to function properly?

Answer 105

humeralunlar joint humeroradial joint proximal radioulnar joint distal radioulnar joint

Question 106

which epicondyle is larger?

Answer 106

medial

Question 107

what motions occur at eh humeroulnar and humeroradial joint?

Answer 107

flexion and extension

Question 108

the UCL provides support to the medial elbow against what kind of force?

Answer 108

valgus force

Question 109

what sections make up the UCL?

Answer 109

anterior transvers and posterior bundle