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UE Eval > Elbow Anatomy > Flashcards

Elbow Anatomy Flashcards

1
Q

Origin: Prox 2/3 of lat supracondylar ridge of humerus

A

Brachioradialis

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2
Q

Insertion: Radial styloid process

A

Brachioradialis

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3
Q

Action: Elbow flex & assists pronation/supination against resistance

A

Brachioradialis

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4
Q

What nerve innervates the brachioradialis?

A

Radial N

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5
Q

Origin: Short head- Coracoid process
Long head- Supraglenoid tubercle

A

Biceps Brachii

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6
Q

Insertion: Radial tuberosity & Bicipital aponeurosis

A

Biceps Brachii

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7
Q

Action: Elbow flex, supination, & GH flex

A

Biceps Brachii

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8
Q

What nerve innervates the biceps brachii?

A

Musculocutaneous N

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9
Q

Origin: Dist 1/2 of ant surface of humerus

A

Brachialis

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10
Q

Insertion: Tuberosity & coronoid process of ulna

A

Brachialis

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11
Q

Action: Elbow flex

A

Brachialis

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12
Q

What nerve innervates the brachialis?

A

Musculocutaneous N

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12
Q

Origin: LH- infraglenoid tubercle of scap
LatH- Post prox 1/2 humerus
MH- post dist 1/2 humerus

A

Triceps Brachii

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13
Q

Insertion: olecranon process

A

Triceps Brachii

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14
Q

Action: Elbow ext
LH: GH ext & add

A

Triceps Brachii

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15
Q

What nerve innervates the triceps brachii?

A

Radial N

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16
Q

what is the origin of the anconeus?

A

Lat epicondyle

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17
Q

Insertion: Olecranon process & prox-post surface of ulna

A

Anconeus

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18
Q

Action: Elbow ext

A

Anconeus

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19
Q

What nerve innervates the anconeus?

A

Radial N

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20
Q

Origin: Med-ant surface of dist ulna

A

Pronator Quadratus

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21
Q

Insertion: lat ant surface of dist radius

A

Pronator Quadratus

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22
Q

Action: Pronation

A

Pronator Quadratus

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23
Q

What nerve innervates the pronator quadratus?

A

Median N

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24
Q

Origin: Lat epicondyle, RCL, annular lig, & supinator crest of ulna

A

Supinator

25
Q

Insertion: Ant-lat surface of prox 1/3 of radius

A

Supinator

26
Q

Action: Supination

A

Supinator

27
Q

What nerve innervates the supinator?

A

Radial N

28
Q

Origin: Longus- dist 1/3 of lat supracondylar ridge of humerus
Brevis: Lat epicondyle

A

Extensor Carpi Radialis

29
Q

Insertion: Longus- base of 2nd metacarpal
Brevis- base of 3rd metacarpal

A

Extensor Carpi Radialis

30
Q

Action: Wrist ext & abd, & assits in elbow flex

A

Extensor Carpi Radialis

31
Q

What nerve innervates the Extensor Carpi Radialis?

A

Radial N

32
Q

What is the origin of the extensor digitorum?

A

Lat epicondyle

33
Q

Insertion: base of dist & middle phalanges 2-5

A

Extensor Digitorum

34
Q

Action: MCP & IP ext fingers 2-5

A

Extensor Digitorum

35
Q

What nerve innervates the Extensor Digitorum?

A

Radial N

36
Q

What is the origin of the extensor carpi ulnaris?

A

Lat epicondyle

37
Q

Insertion: Base of 5th metacarpal

A

extensor carpi ulnaris

38
Q

Action: wrist ext & add

A

extensor carpi ulnaris

39
Q

What nerve innervates the extensor carpi ulnaris?

A

Radial N

40
Q

Origin: med epicondyle & coronoid process of ulna

A

Pronator Teres

41
Q

Insertion: Mid-lat surface of radius

A

Pronator teres

42
Q

Action: pronation & assists in elbow flex

A

pronator teres

43
Q

what nerve innervates the pronator teres?

A

Median N

44
Q

What is the origin of the flexor carpi radialis?

A

med epicondyle

45
Q

Insertion: Base of 2nd & 3rd metacarpals

A

flexor carpi radialis

46
Q

Action: wrist flexion & abd, assists in elbow flex

A

flexor carpi radialis

47
Q

what nerve innervates the flexor carpi radialis?

A

Median N

48
Q

what is the origin of the palmaris longus?

A

med epicondyle

49
Q

Insertion: flexor retinaculum & palmar aponeurosis

A

palmaris longus

50
Q

Action: tense the palmar fascia, wrist flex, assist in elbow flex

A

palmaris longus

51
Q

what nerve innervates the palmaris longus?

A

median n

52
Q

Origin: humeral head- med epicondyle
ulnar head- post surface of prox 2/3 ulna

A

flexor carpi ulnaris

53
Q

Insertion: pisiform, hook of hamate, & base of 5th metacarpal

A

flexor carpi ulnaris

54
Q

Action: wrist flex & add, assists in elbow flex

A

flexor carpi ulnaris

55
Q

what nerve innervates the flexor carpi ulnaris?

A

ulnar n

56
Q

Origin:
superficialis- med epicondyle, UCL, coronoid process of ulna, interosseous membrance, & prox radius
profundus- ant-med surface of prox 3/4 ulna

A

Flexor Digitorum

57
Q

insertion:
superficialis- sides of mid phalanges 2-5
profundus- bases of dist phalanges & palamar surface of fingers 2-5

A

flexor digitorum

58
Q

Action:
superficialis- wrist flex & MCP/PIP flex 2-5
profundus- MCP/DIP flex 2-5 & assists in wrist flex

A

flexor digitorum

59
Q

what nerve innervates the flexor digitorum?

A

Median n

60
Q

what is the exception to nerve innervation of flexor digitorum?

A

profundus @fingers 3-4 = ulnar n

UE Eval (1 decks)

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