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Structural Kinesiology Practical 3 > Muscle AOI > Flashcards

Muscle AOI Flashcards

1
Q

Extensor Carpi Radialis Longus - Actions

A
  • Extend the radiocarpal joint (wrist)
  • Abduct the radiocarpal joint (wrist)
  • Assist to flex the humeroulnar joint (elbow)
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2
Q

Extensor Carpi Radialis Longus - Origin

A

Distal 1/3 of the lateral supracondylar ridge of humerus

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3
Q

Extensor Carpi Radialis Longus - Insertion

A

Base of second metacarpal

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4
Q

Extensor Carpi Radialis Brevis - Actions

A
  • Extend the radiocarpal joint (wrist)
  • Abduct the radiocarpal joint (wrist)
  • Assist to flex the humeroulnar joint (elbow)
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5
Q

Extensor Carpi Radialis Brevis - Origin

A

Common Extensor tendon from the lateral epicondyle of humerus

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6
Q

Extensor Carpi Radialis Brevis - Insertion

A

Base of third metacarpal

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7
Q

Extensor Carpi Ulnaris - Actions

A
  • Extend the radiocarpal joint (wrist)
  • Adduct the radiocarpal joint (wrist)
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8
Q

Extensor Carpi Ulnaris - Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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9
Q

Extensor Carpi Ulnaris - Insertion

A

Base of fifth metacarpal

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10
Q

Extensor Digitorum - Action

A
  • Extend the 2nd - 5th fingers
  • Assist to extend the radiocarpal joint (wrist)
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11
Q

Extensor Digitorum - Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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12
Q

Extensor Digitorum - Insertion

A

Bases of middle and distal phalanges of 2nd - 5th fingers

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13
Q

Flexor Carpi Radialis - Actions

A
  • Flex the radiocarpal joint (wrist)
  • Abduct the radiocarpal joint (wrist)
  • May assist to flex the humeroulnar joint (elbow)
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14
Q

Flexor Carpi Radialis - Origin

A

Common flexor tendon from medial epicondyle of humerus

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15
Q

Flexor Carpi Radialis - Insertion

A

Bases of second and third metacarpals

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16
Q

Palmaris Longus - Origin

A

Common flexor tendon from medial epicondyle of humerus

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17
Q

Palmaris Longus - Actions

A
  • Tense the palmar fascia
  • Flex the radiocarpal joint (wrist)
  • May assist to flex the humeroulnar joint (elbow)
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18
Q

Palmaris Longus - Insertion

A

Flexor retinaculum and palmar aponeurosis

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19
Q

Flexor Carpi Ulnaris - Actions

A
  • Flex the radiocarpal joint (wrist)
  • Adduct the radiocarpal joint (wrist)
  • Assist to flex the humeroulnar joint (elbow)
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20
Q

Flexor Carpi Ulnaris - Insertion

A
  • Pisiform
  • Hook of Hamate
  • Base of 5th metacarpal
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21
Q

Flexor Carpi Ulnaris - Origin

A
  • Common flexor tendon from medial epicondyle of humerus (humeral head)
  • Posterior surface of 2/3 of ulna (ulnar head)
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22
Q

Flexor Digitorum Superficialis - Actions

A
  • Flex the 2nd - 5th fingers
  • Flex the radiocarpal joint (wrist)
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23
Q

Flexor Digitorum Superficialis - Origin

A
  • Common flexor tendon from medial epicondyle of humerus
  • Ulnar collateral ligament
  • Coronoid process of ulna
  • Interosseous membrane
  • Proximal shaft of radius
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24
Q

Flexor Digitorum Superficialis - Insertion

A

Sides of middle phalanges of 2nd - 5th fingers

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25
Q

Flexor Digitorum Profundus - Action

A
  • Flex the 2nd - 5th fingers
  • Assist to flex the radiocarpal joint (wrist)
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26
Q

Flexor Digitorum Profundus - Origin

A

Anterior and middle surfaces of proximal 3/4 of ulna

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27
Q

Flexor Digitorum Profundus - Insertion

A
  • Base of distal phalanges
  • Palmar surface of 2nd - 5th fingers
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28
Q

Abductor Pollicis Longus - Origin

A
  • Posterior surface of radius and ulna
  • Interosseous Membrane
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28
Q

Abductor Pollicis Longus - Action

A
  • Abduct the carpometacarpal joint (thumb)
  • Extend the carpometacarpal joint (thumb)
  • Abduct radiocarpal joint (wrist)
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29
Q

Abductor Pollicis Longus - Insertion

A
  • Base of 1st metacarpal
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30
Q

Extensor Pollicis Longus - Action

A
  • Extend the interphalangeal joint (thumb)
  • Extend the metacarpophalangeal joint and carpometacarpal joint (thumb)
  • Abduct the radiocarpal joint (wrist)
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31
Q

Extensor Pollicis Longus - Origin

A
  • Posterior surface of ulna
  • Interosseous membrane
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32
Q

Extensor Pollicis Longus - Insertion

A

Base of distal phalanx of thumb

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33
Q

Extensor Pollicis Brevis - Action

A
  • Extend the metacarpophalangeal joint and carpometacarpal joint (thumb)
  • Abduct the radiocarpal joint (wrist)
34
Q

Extensor Pollicis Brevis - Origin

A
  • Posterior surface of radius
  • Interosseous membrane
35
Q

Extensor Pollicis Brevis - Insertion

A

Base of proximal phalanx of thumb

36
Q

Abductor Pollicis Brevis - Actions

A
  • Abduct the carpometacarpal and metacarpophalangeal joints (thumb)
  • Assist in opposition of the thumb
37
Q

Abductor Pollicis Brevis - Origin

A
  • Flexor Retinaculum
  • Trapezium
  • Scaphoid Tubercles
38
Q

Abductor Pollicis Brevis - Insertion

A

Base of proximal phalanx of thumb

39
Q

Flexor Pollicis Brevis - Actions

A
  • Flex the carpometacarpal and metacarpophalangeal joints (thumb)
  • Assist in opposition of the thumb
40
Q

Flexor Pollicis Brevis - Origin

A
  • Flexor retinaculum (superficial head)
  • Trapezium (deep head)
  • Trapezoid (deep head)
  • Capitate (deep head)
41
Q

Flexor Pollicis Brevis - Insertion

A

Base of proximal phalanx of thumb

42
Q

Opponens Pollicis - Actions

A

Opposition of the thumb as the carpometacarpal joint

43
Q

Opponens Pollicis - Origin

A
  • Flexor Retinaculum
  • Tubercle of the Trapezium
44
Q

Opponens Pollicis - Insertion

A
  • Entire length of first metacarpal bone
  • Radial Surface
45
Q

Adductor Pollicis - Actions

A
  • Adduct the carpometacarpal and metacarpophalangeal joint (thumb)
  • Assists to flex the metacarpophalangeal joint (thumb)
46
Q

Adductor Pollicis - Origin

A
  • Capitate
  • Second and third metacarpals
47
Q

Adductor Pollicis - Insertion

A

Base of proximal phalanx of thumb

48
Q

Flexor Pollicis Longus - Actions

A
  • Flex the interphalangeal joint (thumb)
  • Flex the metacarpophalangeal and carpometacarpal joints (thumb)
  • Assist the flex the radiocarpal joint (wrist)
49
Q

Flexor Pollicis Longus - Origin

A
  • Anterior Surface of radius
  • Interosseous Membrane
50
Q

Flexor Pollicis Longus - Insertion

A

Base of distal phalanx of thumb

51
Q

Brachioradialis - Actions

A
  • Flex the humeroulnar joint (wrist)
  • Assist to pronate and supinate the forearm
52
Q

Brachioradialis - Origin

A

Proximal 2/3 of the lateral supracondylar ridge of humerus

53
Q

Brachioradialis - Insertion

A

Styloid process of radius

54
Q

Pronator Teres - Actions

A
  • Pronate the radioulnar joints (forearm)
  • Assist to flex the humeroulnar joint (elbow)
55
Q

Pronator Teres - Origin

A
  • Common flexor tendon from medial epicondyle of the humerus
  • Coronoid process of the ulna
56
Q

Pronator Teres - Insertion

A

Middle of lateral surface of the radius

57
Q

Pronator Quadratus - Actions

A

Pronate the radioulnar joints (forearm)

58
Q

Pronator Quadratus - Origin

A

Medial anterior surface of distal ulna

59
Q

Pronator Quadratus - Insertion

A

Lateral anterior surface of distal radius

60
Q

Supinator - Actions

A

Supinate the radioulnar joint (forearm)

61
Q

Supinator - Origin

A
  • Lateral epicondyle of humerus
  • Radial Collateral Ligament
  • Annular Ligament
  • Supinator Crest of Ulna
62
Q

Supinator - Insertion

A

Anterior lateral surface of proximal 1/3 of radial shaft

63
Q

Biceps Brachii - Actions

A
  • Flex the humeroulnar joint (elbow)
  • Supinate the radioulnar joint (forearm)
  • Flex the shoulder
64
Q

Biceps Brachii - Origin

A
  • Coracoid Process of scapula (short head)
  • Supraglenoid tubercle of scapula (long head)
65
Q

Biceps Brachii - Insertion

A
  • Tuberosity of the radius
  • Aponeurosis of the biceps brachii
66
Q

Brachialis - Actions

A

Flexes the humeroulnar joint (elbow)

67
Q

Brachialis - Origin

A

Distal half of anterior surface of humerus

68
Q

Brachialis - Insertion

A

Tuberosity and coronoid process of ulna

69
Q

Anconeus - Action

A

Extend the humeroulnar (elbow)

70
Q

Anconeus - Origin

A

Lateral Epicondyle of the humerus

71
Q

Anconeus - Insertion

A
  • Olecranon process
  • Posterior proximal surface of ulna
72
Q

Triceps Brachii - Action

A

All heads
- Extends the humeroulnar joint (elbow)
Long head
- Extend the glenohumeral joint (shoulder)
- Adduct the glenohumeral joint (shoulder)

73
Q

Triceps Brachii - Origin

A
  • Infraglenoid tubercle of the scapula (long head)
  • Posterior surface of proximal half of the humerus (lateral head)
  • Posterior surface of distal half of humerus (medial head)
74
Q

Triceps Brachii - Insertion

A

Olecranon process of the ulna

75
Q

Deltoid - Action

A

All fibers:
- Abduct the glenohumeral joint (shoulder)
Anterior Fibers:
- Flex the glenohumeral joint (shoulder)
- Medially Rotate the glenohumeral joint (shoulder)
- Horizontally adduct the glenohumeral joint (shoulder)
Posterior Fibers:
- Extend the glenohumeral joint (shoulder)
- Laterally rotate the glenohumeral joint (shoulder)
- Horizontal Abduct the glenohumeral joint (shoulder)

76
Q

Deltoid - Origin

A
  • Lateral 1/3 of clavicle
  • Acromion
  • Spine of scapula
77
Q

Deltoid - Insertion

A

Deltoid Tuberosity

78
Q

Coracobrachialis - Actions

A
  • Flex the glenohumeral joint (shoulder)
  • Adduct the glenohumeral joint (shoulder)
79
Q

Coracobrachialis - Origin

A

Coronoid process of the scapula

80
Q

Coracobrachialis - Insertion

A

Medial surface of mid-humeral shaft

81
Q

Pectoralis Major - Actions

A

All fibers:
- Adduct the glenohumeral joint (shoulder)
- Medially rotate the glenohumeral joint (shoulder)
- Assist to elevate the thorax during forced inhalation (with fixed arm)
Upper fibers:
- Flex the glenohumeral joint (shoulder)
- Horizontally adduct the glenohumeral joint (shoulder)
Lower fibers:
- Extend the glenohumeral joint (shoulder)

82
Q

Pectoralis Major - Origin

A
  • Medial half of clavicle
  • Sternum
  • Cartilage for 1st - 6th ribs
83
Q

Pectoralis Major - Insertion

A

Crest of greater tubercle of humerus

Structural Kinesiology Practical 3 (2 decks)

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