Muscle O, I, A, Innervation Flashcards

1
Q

Biceps Brachii - Attachments

A

Long head - supraglenoid tubercle
Short head - coracoid process
Both to the radial tuberosity

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2
Q

Innervation to the biceps brachii

A

Musculocutaneous

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3
Q

Brachialis attachments

A

Distal half of ant humerus to the coronoid process and ulnar tuberosity

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4
Q

Innervation of the brachialis

A

Musculocutaneous AND radial

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5
Q

Biceps brachii function

A

Flexes and supinates forearm

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6
Q

Brachialis function

A

flexes forearm

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7
Q

Coracobrachialis attachments

A

Coracoid process to middle 1/3 of medial humerus

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8
Q

Coracobrachialis action

A

flexion and adduction of the humerus

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9
Q

Innervation of the coracobrachialis

A

musculocutaneous

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10
Q

Pronator teres attachments

A

sup (humeral) head = medial epicondyle
deep (ulnar) head = proximal ulna
Both to the lateral midshaft of the radius

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11
Q

Innvervation of the pronator teres

A

Median nerve

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12
Q

Pronator teres action

A

pronation

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13
Q

Palmaris longus attachments

A

Medial epicondyle to the palmar aponeurosis

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14
Q

Innervation of palmaris longus

A

median

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15
Q

Action of palmaris longus

A

flexes wrist

tenses the palmar aponeurosis

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16
Q

Flexor carpi radialis attachments

A

Medial epicondyle of humerus to the palmar base of Mc 2

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17
Q

Flexor carpi radialis innervation

A

Median

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18
Q

Action of the flexor carpi radialis

A

flexes the wrist

radial deviation of the wrist

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19
Q

Flexor carpi ulnaris attachments

A

Medial epicondyle and olecranon process to the hook of the hamate, pisiform, and Mc 5

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20
Q

Innervation of flexor carpi ulnaris

A

Ulnar

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21
Q

Action of the flexor carpi ulnaris

A

Flex wrist

Ulnar deviation

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22
Q

Flexor digitorum superficialis attachments

A

Medial epicondyle and proximal radius to the base of the intermediate phalanges of digits 2-5

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23
Q

Innervation of flexor digitorum superficialis

A

Median

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24
Q

Action of the flexor digitorum superficialis

A

flex PIP, MCP, and wrist

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25
Q

Flexor digitorum profundus attachments

A

Ulnar shaft and int membrane to the base of distal phalanx of 2-5

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26
Q

Innervation of flexor digitorum profundus

A

digits 2 and 3 = ant interosseous

digits 4 and 5 = ulnar

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27
Q

Action of flexor digitorum profundus

A

flex DIP, PIP, MCP, and wrist

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28
Q

Attachments of the flexor pollicis longus

A

Radial shaft and int mem to the base of the distal phalanx of digit 1

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29
Q

Innervation of the flexor pollicis longus

A

ant interosseous

30
Q

Action of the flexor pollicis longus

A

flex 1st CMC, MCP, IP and wrist joints

31
Q

Pronator quadratus attachments

A

Medial aspect of distal ulna to lateral aspect of distal aspect

32
Q

Innervation of the pronator quadratus

A

ant interosseous

33
Q

Action of the pronator quadratus

A

Pronates

34
Q

Triceps attachments

A

Long = infraglenoid
Lat = post humerus sup to radial groove
Med = post humerus inf to radial groove
All to the olecranon

35
Q

Triceps innervation

A

radial

36
Q

Triceps action

A

extension

37
Q

Anconeus attachments

A

Lateral epicondyle to the lateral olecranon

38
Q

Action of anconeus

A

assists in extension

39
Q

Brachioradialis attachments

A

lateral supracondylar ridge to styloid of radius

40
Q

Innervation of brachioradialis

A

radial

41
Q

Action of brachioradialis

A

flexion of forearm

some pronation and supination

42
Q

Attachments of extensor carpi radialis longus

A

lateral supracondylar ridge to dorsal base of Mc 2

43
Q

Innervation of extensor carpi radialis longus

A

Radial

44
Q

Action of the extensor carpi radialis longus

A

Extends and radial deviates the wrist

45
Q

Attachments of the extensor carpi radialis brevis

A

Lateral epicondyle of humerus to dorsal base of Mc 3

46
Q

Innervation of the extensor carpi radialis brevis

A

Deep branch of radial

47
Q

Action of extensor carpi radialis

A

Extends and radial deviates wrist

48
Q

Attachments of extensor carpi ulnaris

A

Lateral epicondyle to the dorsal base of Mc 5

49
Q

Innervation of the extensor carpi ulnaris

A

Deep branch of radial

50
Q

Action of the extensor carpi ulnaris

A

Extends and ulnar deviates the wrist

51
Q

Attachments of the Extensor digitorum

A

Lateral epicondyle to extensor expansion of digits 2-5

52
Q

Innervation of the extensor digitorum

A

Deep branch of radial

53
Q

Action of extensor digitorum

A

extends digits 2-5 at all joints

extends the wrist

54
Q

Extensor digiti minimi attachments

A

lateral epicondyle to the extensor expansion of digit 5

55
Q

Innervation of the extensor digiti minimi

A

deep branch of the radial

56
Q

Action of extensor digiti minimi

A

extends digit 5 at all joints

extends wrist and ulnar deviates the wrist

57
Q

Supinator attachments

A

Lateral epicondyle and olecranon to the proximal lateral radius

58
Q

Innervation of the supinator

A

Deep branch of radial

59
Q

Supinator action

A

supinates

60
Q

Abductor pollicis longus attachments

A

Post ulna, radius, int mem to the base of Mc 1

61
Q

Innervation of abductor pollicis longus

A

post interosseus

62
Q

Action of abductor pollicis longus

A

abducts pollex

63
Q

Extensor pollicis longus attachments

A

post ulna, int mem to the base of distal phalanx of pollex

64
Q

Innervation of extensor pollicis longus

A

post interosseous

65
Q

Action of extensor pollicis longus

A

Extends pollex at all joints

66
Q

Extensor pollicis brevis attachments

A

Post radius, int mem to the base of proximal phalanx of pollex

67
Q

Innervation of ext pollicis brevis

A

Post int

68
Q

Action of ext pollicis brevis

A

extends pollex at MCP

69
Q

Attachments of the extensor indicis

A

Post ulna, int mem to teh extensor expansion of digit 2

70
Q

Innervation of extensor indicis

A

post int