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bleh Flashcards

1
Q

Pectoralis major (muscle group)

A

muscles crossing shoulder joint

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2
Q

Pectoralis major(action)

A

arm flexion; rotates arm medially; adducts arm

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3
Q

Pectoralis major (origin)

A

sternal end of clavicle; sternum; cartilage of ribs1-6

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4
Q

Pectoralis major (insertion)

A

Intertubercular sulcus and greater tubercle of humerus

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5
Q

Latissimus dorsi (muscle group)

A

muscles crossing shoulder joint

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6
Q

Latissimus dorse(action)

A

arm extension; adducts arm; medially rotates arm at shoulder

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7
Q

Latissumus dorsi(origin)

A

spines of T(7)-L(5); ribs 9-12; iliac crest

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8
Q

Latissumus dorsi (insertion)

A

intertubercular suclus of humerus

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9
Q

Deltiod(muscle group)

A

muscles crossing shoulder joint

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10
Q

Deltiod(action)

A

arm abduction;flexion and medial rotation of humerus; extension and lateral rotation of arm

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11
Q

Deltoid(origin)

A

lateral 3rd of clavicle, acromion and spine of scapula

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12
Q

Deltoid (insertion)

A

deltoid tuberosity of humerus

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13
Q

Trapezius(muscle group)

A

posterior thorax

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14
Q

Trapezius(action)

A

stabilizes, raises, retracts and rotates scapula

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15
Q

Trapezius(origin)

A

occipital bone; spinous process of C7 and all thoracic vertebrae

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16
Q

Trapezius(insertion)

A

acromion and spine of scapula; lateral 3rd of clavicle

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17
Q

Pectoralis minor (muscle group)

A

anterior thorax

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18
Q

Pectoralis minor (action)

A

draws scapula forward and downward

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19
Q

Pectoralis minor(origin)

A

anterior surfaces of ribs 3-5

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20
Q

pectoralis minor(insertion)

A

coracoid process of scapula

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21
Q

External oblique(muscle group)

A

anterior and lateral abdominal wall

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22
Q

External oblique(action)

A

flexes vertrebral column; compress abdominal wall; rotating trunk and flexing laterally

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23
Q

External oblique(origin)

A

outer surface of ribs 5-12

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24
Q

External oblique (insertion)

A

linea alba; pubic crest; iliac crest

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25
Q

Brachioradialis(muscle group)

A

anterior forearm

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26
Q

Brachioradialis(action)

A

forearm flexion; stabilizes the elbow during rapid flexion and extension

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27
Q

Brachioradialis(origin)

A

lateral supracondylar ridge at distal end of humerus

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28
Q

Brachioradialis(insertion)

A

styloid process of radius.

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29
Q

Pronator teres (muscle group)

A

anterior superficial forearm

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30
Q

Pronator teres (action)

A

pronates forearm; weak flexor of elbow

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31
Q

Pronator teres(origin)

A

medial epicondyle of humerus; coronoid process of ulna

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32
Q

Pronator teres(insertion)

A

lateral radius

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33
Q

Flexor carpi radialis (muscle group)

A

anterior superficial forearm

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34
Q

Flexor carpi radialis (action)

A

powerful flexor of wrist, abducts hand

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35
Q

Flexor carpi radialis (origin)

A

medial epicondyle of humerus

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36
Q

Flexor carpi radialis (insertion)

A

base of 2nd and 3rd metacarpals

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37
Q

Palmaris longus (muscle group)

A

anterior superficial forearm

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38
Q

Palmaris longus(action)

A

Tenses skin and fascia of palm during hand movements

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39
Q

Palmaris longus(origin)

A

medial epicondyle of humerus

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40
Q

Palmaris longus(insertion)

A

palmar alponeurosis

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41
Q

Flexor carpi ulnaris (muscle group)

A

anterior superficial forearm

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42
Q

Flexor carpi ulnaris (action)

A

Wrist flexor, adducts hand

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43
Q

Flexor carpi ulnaris(origin)

A

medial epicondyle of humerus; olecranon process and posterior surface of ulna

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44
Q

Flexor carpi ulnaris (insertion)

A

pisiform; hamate; 5th metacarpal

45
Q

Extensor carpi radialis longus (muscle group)

A

posterior superficial forearm

46
Q

Extensor carpi radialis longus(action)

A

extends and abducts wrist

47
Q

Extensor carpi radialis longus(origin)

A

lateral supracondylar ridge of humerus

48
Q

Extensor carpi radialis longus(insertion)

A

base of 2nd metacarpal

49
Q

Extensor carpi radialis brevis(muscle group)

A

posterior superficial forearm

50
Q

Extensor carpi radialis brevis(action)

A

extends and abducts wrist

51
Q

Extensor carpi radialis brevis(origin)

A

lateral epicondyle of humerus

52
Q

Extensor carpi radialis brevis(insertion)

A

base of 3rd metacarpal

53
Q

Extensor carpi ulnaris (muscle group)

A

Posterior superficial forearm

54
Q

Extensor carpi ulnaris (action)

A

Extends and abducts wrist

55
Q

Extensor carpi ulnaris (origin)

A

Lateral epicondyle of humerus; posterior border of ulna

56
Q

Extensor carpi ulnaris (insertion)

A

Base of 5th metacarpal

57
Q

Flexor pollicis longus (muscle group)

A

anterior deep forearm

58
Q

Flexor pollicis longus (action)

A

flexes distal phalanx of thumb

59
Q

Flexor pollicis longus (origin)

A

anterior surface of radius

60
Q

Flexor pollicis longus (insertion)

A

distal phalanx of thumb

61
Q

Flexor digitorum profundus (muscle group)

A

anterior deep forearm

62
Q

Flexor digitorum profundus (action)

A

Flexes distal interphalangeal joints; wrist flexion

63
Q

Flexor digitorum profundus (origin)

A

Coronoid process; anteromedial surface of ulna

64
Q

Flexor digitorum profundus (insertion)

A

Distal phalanges of fingers 2-5

65
Q

Abductor pollicis longus (muscle group)

A

Posterior deep forearm

66
Q

Abductor pollicis longus (action)

A

Abducts and extends thumb

67
Q

Abductor pollicis longus(origin)

A

posterior surface of radius and ulna

68
Q

Abductor pollicis longus(insertion)

A

base of 1st metacarpal; trapezium

69
Q

Extensor pollicis longus (muscle group)

A

posterior deep forearm

70
Q

Extensor pollicis longus(action)

A

extends thumb

71
Q

Extensor pollicis longus(origin)

A

dorsal shaft of radius and ulna

72
Q

Extensor pollicis longus(insertion)

A

base of distal phalanx of thumb

73
Q

Supinator (muscle group)

A

posterior deep forearm

74
Q

Supinator(action)

A

assists biceps brachii to supinate forearm

75
Q

Supinator(origin)

A

lateral epicondyle of humerus; proximal ulna

76
Q

Supinator(insertion)

A

proximal end of radius

77
Q

Abductor pollicis brevis (muscle group)

A

Thenar of thumb

78
Q

Abductor pollicis brevis(action)

A

abducts thumb

79
Q

Abductor pollicis brevis(origin)

A

flexor retinaculum

80
Q

Abductor pollicis brevis(insertion)

A

lateral base of thumbs proximal phalanx

81
Q

Flexor pollicis brevis (muscle group)

A

Thenar of thumb

82
Q

Flexor pollicis brevis(action)

A

flexes thumb

83
Q

Flexor pollicis brevis(origin)

A

flexor retinaculum

84
Q

Flexor pollicis brevis(insertion)

A

lateral side of base of proximal phalanx of thumb

85
Q

Opponens pollicis (muscle group)

A

Thenar of thumb

86
Q

Opponens pollicis(action)

A

opposition of thumb

87
Q

Opponens pollicis(origin)

A

flexor retinaculum; trapezium

88
Q

Opponens pollicis(insertion)

A

Anterior side of 1st metacarpal

89
Q

Adductor pollicis(muscle group)

A

Thenar of thumb

90
Q

Adductor pollicis(action)

A

adducts and helps to oppose thumb

91
Q

Adductor pollicis (origin)

A

capitate and bas of metacarpals 2-4

92
Q

Adductor pollicis(insertion)

A

medial side of base of proximal phalanx of thumb

93
Q

Opponens digit minimi (muscle group)

A

Hypothenar of thumb

94
Q

Opponens digit minimi(action)

A

opposition of the 5th metacarpal

95
Q

Opponens digit minimi (origin)

A

hamate; flexor retinaculum

96
Q

Opponens digit minimi(insertion)

A

medial side of 5th metacarpal

97
Q

Lumbricals of the hand (muscle group)

98
Q

Lumbricals of the hand (action)

A

flex fingers at metacarpophalangeal joints; extends fingers at interphalangeal joints

99
Q

Lumbricals of the hand (origin)

A

lateral side of flexor digitorium pfofundus

100
Q

Lumbricals of the hand (insertion)

A

proximal phalanx of fingers 2-5

101
Q

Palmar interossei (muscle group)

102
Q

Palmar interossei (action)

A

adducts fingers

103
Q

Palmar interossei (origin)

A

midaxis side of all metacarpals except the 3rd metacarpal

104
Q

Palmar interossei (insertion)

A

extensor expansion over 1st phalanx of each finger

105
Q

Dorsal inerossei (muscle group)

106
Q

Dorsal inerossei (action)

A

Abducts fingers

107
Q

Dorsal inerossei (origin)

A

side of metacarpals

108
Q

Dorsal inerossei (insertion)

A

Extensor expansion over proximal phalanx of fingers 2-4

Body (2 decks)

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