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KINE 318: Athletic Injuries > Anatomy of Elbow, Wrist & Hand > Flashcards

Anatomy of Elbow, Wrist & Hand Flashcards

1
Q

Bones of the Elbow

A
  1. Distal Humerus
  2. Proximal Radius & Ulna
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2
Q

2 Articulations of the Elbow

A
  1. Lateral condyle of humerus (capitulum) w/ Radius
  2. Medial condyle of humerus (trochlea) w/ Ulna
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3
Q

Lateral condyle of humerus is called

A

capitulum

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4
Q

Medial condyle of humerus

A

trochlea

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5
Q

The joint of the elbow is surrounded by a joint capsule w/ 3 supporting ligaments

A
  1. Ulnar collateral ligament
  2. Radial collateral ligament
  3. Annular ligament
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6
Q

Ligament that stabilizes & encircles the head of the radius

A

Annular ligament

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7
Q

Motions of the elbow include

A

flexion & extension w/ pronation & supination

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8
Q

envelops the elbow & superior radioulnar articulation & lubricates the deeper structures of the 2 joints

A

synovial membrane

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9
Q

2 main bursae of the elbow

A
  1. bicipital bursae
  2. olecranon bursae
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10
Q

cushions the tendon when the forearm is pronated

A

bicipital bursae

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11
Q

forms a liquid cushion

A

olecranon bursae

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12
Q

Muscle Flexion of the elbow

A
  1. Biceps brachii
  2. Brachialis
  3. Brachioradialis
  4. Pronator Teres
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13
Q

Muscle Extension of the elbow

A
  1. Triceps Brachii
  2. Anconeus
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14
Q

Supination of the elbow

A
  1. Biceps brachii
  2. Supinator
  3. Brachioradialis
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15
Q

Pronation of the elbow

A
  1. Pronator Teres
  2. Pronator Quadratus
  3. Anconeus
  4. Brachioradialis
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16
Q

Blood supply of the elbow

A

brachial & medial arteries

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17
Q

Nerve supply of the elbow

A
  1. musculocutaneous nerve
  2. Radial nerve
  3. Median nerve
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18
Q

Bones of the Forearm

A
  1. Ulna
  2. Radius
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19
Q

larger at upper end than at its lower end

A

ulna

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20
Q

thicker at its lower end than at its upper end

A

radius

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21
Q

3 articulations of forearm

A
  1. Superior radioulnar
  2. Middle radioulnar
  3. Distal radioulnar
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22
Q

Pivot joint moving in a ring formed by the ulna & annular ligament

A

superior radioulnar

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23
Q

shafts of bones ; held together by the oblique cord & interosseus membrane

provides a surface for muscle attachments

A

middle radioulnar

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24
Q

Pivot joint formed by head of ulna w/ a small notch on radius

held together by anterior & posterior radioulnar ligaments

A

distal radioulnar

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25
Q

Muscles of the Forearm anteriorly have the

A

flexors & pronators

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26
Q

Muscles of the forearm posteriorly have the

A

extensors & supinators

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27
Q

Blood supply of the forearm

A

brachial artery

28
Q

brachial artery of the forearm bld supply divides into

A

radial & ulnar arteries

29
Q

Nerve supply of the forearm flexor muscles

A

median nerve

30
Q

Nerve supply of the forearm extensor muscles

A

radial nerve

31
Q

Bones of Wrist & Hand

A

Distal aspect of radius & Ulnar (2)
8 Carpal Bones (radial to ulnar side)
5 metacarpals
14 phalanges

29 total bones

32
Q

Proximal row of carpal bones

A
  1. Scaphoid (navicular)
  2. Lunate
  3. Triquetral
  4. Pisiform
33
Q

Distal row of carpal bones

A
  1. Trapezium
  2. Trapezoid
  3. Capitate
  4. Hamate
34
Q

5 articulations of the wrist & hand

A
  1. Wrist
  2. Intercarpal Joints
  3. Carpometacarpal joint
  4. Metacarpophalangeal joint (MCP)
  5. Interphalangeal joints
35
Q

radius & ulnar

w/ 3 of 4 proximal row carpals: navicular, lunate & triquetral

A condyloid joint

A

Wrist articulation

36
Q

condyloid joint permits

A

flexion, extension, radial, & ulnar deviation

37
Q

Ligaments of the wrist (4)

A
  1. ulnar collateral
  2. radial collateral
  3. volar radiocarpal
  4. dorsal radiocarpal
38
Q

stabilizing ligaments of the intercarpal joints

A
  1. anterior
  2. posterior
  3. connecting interosseus ligaments
39
Q

one major ligament of the intercarpal joints

A

transverse carpal ligament
(flexor retinaculum)

40
Q

Located on the volar aspect of the carpals & serves as the roof of the carpal tunnel

A

transverse carpal ligament (flexor retinaculum)

41
Q

Ligaments of the Metacarpophalangeal joint (MCP)

A

collateral & accessory volar ligaments

42
Q

interphalangeal joints consists of

A

proximal interphalangeal joint (PIP)
distal interphalangeal joint (DIP)

43
Q

Blood supply of the wrist & hand

A

radial & ulnar arteries

44
Q

Nerve supply of the wrist & hand

A

ulnar nerve
radial nerve
median nerve

45
Q

Middle Deltoid action

A

ABDuction

46
Q

Anterior deltoid action

A

ABDuction
shoulder flexion
internal rotation

47
Q

posterior deltoid action

A

ABDuction
shoulder extension
external rotation

48
Q

Supraspinatus action

A

ABDuction

49
Q

Infraspinatus action

A

external rotation

50
Q

subscapularis action

A

shoulder extension
internal rotation

51
Q

teres minor action

A

external rotation

52
Q

Latissimus dorsi action

A

shoulder extension
internal rotation
adduction

53
Q

teres major action

A

aDDuction
shoulder extension
internal rotation

54
Q

Pectoralis major action

A

ADDuction
shoulder flexion
internal rotation

55
Q

coracobrachialis action

A

adduction
shoulder flexion

56
Q

long head of biceps action

A

shoulder flexion
elbow flexion
supination

57
Q

short head of biceps action

A

elbow flexion
supination

58
Q

Long head of triceps

A

aDDuction
shoulder extension
elbow extension

59
Q

Lateral head of triceps

A

elbow extension

60
Q

Medial head of triceps

A

elbow extension

61
Q

brachialis

A

elbow flexion

62
Q

brachioradialis

A

elbow flexion
assists in pronation & supination

63
Q

Pronator teres

A

elbow flexion
pronation

64
Q

pronator quadratus

A

pronation

65
Q

anconeus

A

elbow extension
pronation

66
Q

supinator

A

supination

KINE 318: Athletic Injuries (27 decks)

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