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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
Flexor Digitorum Profundus - Action
- Flex the 2nd - 5th fingers - Assist to flex the radiocarpal joint (wrist)
26
Flexor Digitorum Profundus - Origin
Anterior and middle surfaces of proximal 3/4 of ulna
27
Flexor Digitorum Profundus - Insertion
- Base of distal phalanges - Palmar surface of 2nd - 5th fingers
28
Abductor Pollicis Longus - Origin
- Posterior surface of radius and ulna - Interosseous Membrane
28
Abductor Pollicis Longus - Action
- Abduct the carpometacarpal joint (thumb) - Extend the carpometacarpal joint (thumb) - Abduct radiocarpal joint (wrist)
29
Abductor Pollicis Longus - Insertion
- Base of 1st metacarpal
30
Extensor Pollicis Longus - Action
- Extend the interphalangeal joint (thumb) - Extend the metacarpophalangeal joint and carpometacarpal joint (thumb) - Abduct the radiocarpal joint (wrist)
31
Extensor Pollicis Longus - Origin
- Posterior surface of ulna - Interosseous membrane
32
Extensor Pollicis Longus - Insertion
Base of distal phalanx of thumb
33
Extensor Pollicis Brevis - Action
- Extend the metacarpophalangeal joint and carpometacarpal joint (thumb) - Abduct the radiocarpal joint (wrist)
34
Extensor Pollicis Brevis - Origin
- Posterior surface of radius - Interosseous membrane
35
Extensor Pollicis Brevis - Insertion
Base of proximal phalanx of thumb
36
Abductor Pollicis Brevis - Actions
- Abduct the carpometacarpal and metacarpophalangeal joints (thumb) - Assist in opposition of the thumb
37
Abductor Pollicis Brevis - Origin
- Flexor Retinaculum - Trapezium - Scaphoid Tubercles
38
Abductor Pollicis Brevis - Insertion
Base of proximal phalanx of thumb
39
Flexor Pollicis Brevis - Actions
- Flex the carpometacarpal and metacarpophalangeal joints (thumb) - Assist in opposition of the thumb
40
Flexor Pollicis Brevis - Origin
- Flexor retinaculum (superficial head) - Trapezium (deep head) - Trapezoid (deep head) - Capitate (deep head)
41
Flexor Pollicis Brevis - Insertion
Base of proximal phalanx of thumb
42
Opponens Pollicis - Actions
Opposition of the thumb as the carpometacarpal joint
43
Opponens Pollicis - Origin
- Flexor Retinaculum - Tubercle of the Trapezium
44
Opponens Pollicis - Insertion
- Entire length of first metacarpal bone - Radial Surface
45
Adductor Pollicis - Actions
- Adduct the carpometacarpal and metacarpophalangeal joint (thumb) - Assists to flex the metacarpophalangeal joint (thumb)
46
Adductor Pollicis - Origin
- Capitate - Second and third metacarpals
47
Adductor Pollicis - Insertion
Base of proximal phalanx of thumb
48
Flexor Pollicis Longus - Actions
- Flex the interphalangeal joint (thumb) - Flex the metacarpophalangeal and carpometacarpal joints (thumb) - Assist the flex the radiocarpal joint (wrist)
49
Flexor Pollicis Longus - Origin
- Anterior Surface of radius - Interosseous Membrane
50
Flexor Pollicis Longus - Insertion
Base of distal phalanx of thumb
51
Brachioradialis - Actions
- Flex the humeroulnar joint (wrist) - Assist to pronate and supinate the forearm
52
Brachioradialis - Origin
Proximal 2/3 of the lateral supracondylar ridge of humerus
53
Brachioradialis - Insertion
Styloid process of radius
54
Pronator Teres - Actions
- Pronate the radioulnar joints (forearm) - Assist to flex the humeroulnar joint (elbow)
55
Pronator Teres - Origin
- Common flexor tendon from medial epicondyle of the humerus - Coronoid process of the ulna
56
Pronator Teres - Insertion
Middle of lateral surface of the radius
57
Pronator Quadratus - Actions
Pronate the radioulnar joints (forearm)
58
Pronator Quadratus - Origin
Medial anterior surface of distal ulna
59
Pronator Quadratus - Insertion
Lateral anterior surface of distal radius
60
Supinator - Actions
Supinate the radioulnar joint (forearm)
61
Supinator - Origin
- Lateral epicondyle of humerus - Radial Collateral Ligament - Annular Ligament - Supinator Crest of Ulna
62
Supinator - Insertion
Anterior lateral surface of proximal 1/3 of radial shaft
63
Biceps Brachii - Actions
- Flex the humeroulnar joint (elbow) - Supinate the radioulnar joint (forearm) - Flex the shoulder
64
Biceps Brachii - Origin
- Coracoid Process of scapula (short head) - Supraglenoid tubercle of scapula (long head)
65
Biceps Brachii - Insertion
- Tuberosity of the radius - Aponeurosis of the biceps brachii
66
Brachialis - Actions
Flexes the humeroulnar joint (elbow)
67
Brachialis - Origin
Distal half of anterior surface of humerus
68
Brachialis - Insertion
Tuberosity and coronoid process of ulna
69
Anconeus - Action
Extend the humeroulnar (elbow)
70
Anconeus - Origin
Lateral Epicondyle of the humerus
71
Anconeus - Insertion
- Olecranon process - Posterior proximal surface of ulna
72
Triceps Brachii - Action
All heads - Extends the humeroulnar joint (elbow) Long head - Extend the glenohumeral joint (shoulder) - Adduct the glenohumeral joint (shoulder)
73
Triceps Brachii - Origin
- 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
Triceps Brachii - Insertion
Olecranon process of the ulna
75
Deltoid - Action
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
Deltoid - Origin
- Lateral 1/3 of clavicle - Acromion - Spine of scapula
77
Deltoid - Insertion
Deltoid Tuberosity
78
Coracobrachialis - Actions
- Flex the glenohumeral joint (shoulder) - Adduct the glenohumeral joint (shoulder)
79
Coracobrachialis - Origin
Coronoid process of the scapula
80
Coracobrachialis - Insertion
Medial surface of mid-humeral shaft
81
Pectoralis Major - Actions
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
Pectoralis Major - Origin
- Medial half of clavicle - Sternum - Cartilage for 1st - 6th ribs
83
Pectoralis Major - Insertion
Crest of greater tubercle of humerus

Structural Kinesiology Practical 3 (2 decks)

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