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Muscle Origin, Insertion, Attachment > Upper Body-Forearm and Hand > Flashcards

Upper Body-Forearm and Hand Flashcards

1
Q

Elbow Flexors

A

Biceps Brachii, Brachialis, Brachioradialis, Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus, Pronator teres, Extensor carpi radialis longus, Extensor carpi radialis brevis

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2
Q

Elbow Extensors

A

Triceps brachii (all heads), Anconeus

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3
Q

Forearm Supinators

A

Biceps Brachii, Supinator, Brachioradialis

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4
Q

Forearm pronators

A

Pronator teres, Pronator quadratus, brachioradialis

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5
Q

Wrist Extensors

A

Extensor carpi radialis longus and brevis, extensor carpi ulnaris, extensor digitorum, extensor indicis

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6
Q

Wrist Flexors

A

Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus, Flexor digitorum superficialis, Flexor digitorum profundus, Flexor pollicis longus

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7
Q

Wrist Abduction (radial deviation)

A

Extensor carpi radialis longus, Extensor carpi radialis brevis, extensor pollicis longus, extensor pollicis brevis, flexor carpi radialis, abductor pollicis longus

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8
Q

Wrist Adduction (ulnar deviation)

A

Extensor carpi ulnaris, Flexor carpi ulnaris

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9
Q

Extension of 2nd-5th fingers

A

Extensor digitorum, Lumbricals, Dorsal interossei, Palmar interossei, extensor indicis

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10
Q

Flexion of 2nd-5th fingers

A

Flexor digitorum superficialis, Flexor digitorum profundus, Flexor digiti minimi brevis, Lumbricals, Dorsal interossei, Palmar interossei

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11
Q

Thumb flexion

A

Flexor pollicis longus, flexor pollicis brevis, adductor pollicis, palmar interossei

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12
Q

Thumb Opposition

A

Opponens pollicis, Flexor pollicis brevis, Abductor pollicis brevis

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13
Q

Thumb Extension

A

Extensor pollicis longus, Extensor pollicis brevis, Abductor pollicis longus, palmar interossei

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14
Q

Brachialis Origin

A

Distal half of anterior surface of humerus

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15
Q

Brachialis Insertion

A

Tuberosity and coronoid process of ulna

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16
Q

Brachialis Actions

A

Flex the elbow

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17
Q

Brachioradialis Origin

A

Proximal 2/3 of the lateral supracondylar ridge of humerus

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18
Q

Brachioradialis Insertion

A

Styloid Process of radius

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19
Q

Brachioradialis Actions

A

Flex elbow, assist pronation and supination of forearm when they are resisted

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20
Q

Extensor Carpi Radialis Longus Origin

A

Distal 1/3 of the lateral supracondylar ridge of the humerus

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21
Q

Extensor Carpi Radialis Longus Insertion

A

Base of second metacarpal

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22
Q

Extensor Carpi Radialis Brevis Origin

A

Common extensor tendon from the lateral epicondyle of the humerus

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23
Q

Extensor Carpi Radialis Brevis Insertion

A

Base of 3rd metacarpal

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24
Q

Extensor Carpi Radialis Longus and Brevis Actions

A

Extend, Abduct the wrist; Flex the elbow

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25
Extensor Carpi Ulnaris Origin
Common extensor tendon from the lateral epicondyle of the humerus
26
Extensor Carpi Ulnaris Insertion
Base of 5th metacarpal
27
Extensor Carpi Ulnaris Actions
Extend, Adduct wrist
28
Extensor Digitorum Origin
Common extensor tendon from the lateral epicondyle of the humerus
29
Extensor Digitorum Insertion
Bases of the middle and distal phalanges of 2nd-5th fingers
30
Extensor Digitorum Actions
Extend 2nd-5th fingers, Extends wrist
31
Anconeus Origin
Lateral Epicondyle of humerus
32
Anconeus Insertion
Olecranon process and posterior, proximal surface of ulna
33
Anconeus Action
Extend Elbow
34
Extensor Indicis Origin
Posterior surface of distal shaft of ulna and interosseous membrane
35
Extensor Indicis Insertion
Tendon of extensor digitorum at the level of the 2nd metacarpal
36
Extensor Indicis Action
Extend 2nd finger, Adduct 2nd finger, Assist wrist extension
37
Flexor Carpi Radialis Origin
Common flexor tendon from medial epicondyle of humerus
38
Flexor Carpi Radialis Insertion
Bases of 2nd and 3rd metacarpals
39
Flexor Carpi Radialis Actions
Flex, Abduct wrist; flex elbow
40
Palmaris Longus Origin
Common flexor tendon from medial epicondyle of humerus
41
Palmaris Longus Insertion
Flexor retinaculum and palmar aponeurosis
42
Palmaris Longus Actions
Tense the palmar fascia, flex wrist, flex elbow
43
Flexor Carpi Ulnaris Origin
Humeral Head: Common flexor tendon from medial epicondyle of humerus Ulnar head: Posterior surface of proximal 2/3 of ulna
44
Flexor Carpi Ulnaris Actions
Flex wrist, Adduct wrist, Flex elbow
45
Flexor Digitorum Superficialis Origin
Common flexor tendon from medial epicondyle of humerus, Ulnar collateral ligament, coronoid process of ulna, interosseous membrane and proximal shaft of radius
46
Flexor Digitorum Superficialis Insertion
Sides of middle phalanges of 2nd-5th fingers
47
Flexor Digitorum Superficialis Action
Flex 2nd-5th fingers; assist wrist flexion
48
Flexor Digitorum Profundus Origin
Anterior and medial surfaces of proximal 3/4 of ulna
49
Flexor Digitorum Profundus Insertion
Bases of distal phalanges, palmar surface of 2nd-5th fingers
50
Flexor Digitorum Profundus Action
Flex 2nd-5th fingers; assist wrist flexion
51
Pronator Teres Origin
Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna
52
Pronator Teres Insertion
Middle of lateral surface of the radius
53
Pronator Teres Action
Pronate forearm; Flex elbow
54
Pronator Quadratus Origin
Medial, anterior surface of distal ulna
55
Pronator Quadratus Insertion
Lateral, anterior surface of distal radius
56
Pronator Quadratus Action
Pronate forearm
57
Supinator Origin
Lateral epicondyle of the humerus, radial collateral ligament, annular ligament, and supinator crest of ulna
58
Supinator Insertion
Anterior, lateral surface of proximal 1/3 of radial shaft
59
Supinator Action
Supinate the forearm
60
Abductor Pollicis Longus Origin
Posterior surface of radius and ulna, interosseous membrane
61
Abductor Pollicis Longus Insertion
Base of 1st metacarpal
62
Abductor Pollicis Longus Action
Abduct, Extend thumb, Abduct wrist
63
Extensor Pollicis Longus Origin
Posterior surface of ulna and interosseous membrane
64
Extensor Pollicis Longus Insertion
Base of distal phalanx of thumb
65
Extensor Pollicis Longus Action
Extend thumb (IP, MCP, CMC joints), Abduct wrist
66
Extensor Pollicis Brevis Origin
Posterior surface of radius and interosseous membrane
67
Extensor Pollicis Brevis Insertion
Base of proximal phalanx of thumb
68
Extensor Pollicis Brevis Action
Extend thumb (IP, MCP, CMC joints), Abduct wrist
69
Flexor Pollicis Longus Origin
Anterior surface of radius and interosseous membrane
70
Flexor Pollicis Longus Insertion
Base of distal phalanx of thumb
71
Flexor Pollicis Longus Action
Flex thumb (IP, MCP, CMC joints), Flex wrist
72
Abductor Pollicis Brevis Origin
Flexor retinaculum, trapezium and scaphoid tubercles
73
Abductor Pollicis Brevis Insertion
Base of proximal phalanx of thumb
74
Abductor Pollicis Brevis Action
Abduct the thumb, assist opposition of the thumb
75
Flexor Pollicis Brevis Origin
Superficial head: Flexor retinaculum | Deep head: Trapezium, trapezoid, and capitate
76
Flexor Pollicis Brevis Insertion
Base of proximal phalanx of thumb
77
Flexor Pollicis Brevis Action
Flex thumb; Opposition
78
Opponens Pollicis Origin
Flexor retinaculum and tubercle of trapezium
79
Opponens Pollicis Insertion
Entire length of 1st metacarpal bone, radial surface
80
Opponens Pollicis Action
Opposition of thumb at the CMC joint
81
Adductor Pollicis Origin
Capitate, 2nd and 3rd metacarpals
82
Adductor Pollicis Insertion
Base of proximal phalanx of thumb
83
Adductor Pollicis Action
Adduct thumb; assist flexion of thumb

Muscle Origin, Insertion, Attachment (6 decks)

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