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bleh Flashcards

(108 cards)

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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
Brachioradialis(muscle group)
anterior forearm
26
Brachioradialis(action)
forearm flexion; stabilizes the elbow during rapid flexion and extension
27
Brachioradialis(origin)
lateral supracondylar ridge at distal end of humerus
28
Brachioradialis(insertion)
styloid process of radius.
29
Pronator teres (muscle group)
anterior superficial forearm
30
Pronator teres (action)
pronates forearm; weak flexor of elbow
31
Pronator teres(origin)
medial epicondyle of humerus; coronoid process of ulna
32
Pronator teres(insertion)
lateral radius
33
Flexor carpi radialis (muscle group)
anterior superficial forearm
34
Flexor carpi radialis (action)
powerful flexor of wrist, abducts hand
35
Flexor carpi radialis (origin)
medial epicondyle of humerus
36
Flexor carpi radialis (insertion)
base of 2nd and 3rd metacarpals
37
Palmaris longus (muscle group)
anterior superficial forearm
38
Palmaris longus(action)
Tenses skin and fascia of palm during hand movements
39
Palmaris longus(origin)
medial epicondyle of humerus
40
Palmaris longus(insertion)
palmar alponeurosis
41
Flexor carpi ulnaris (muscle group)
anterior superficial forearm
42
Flexor carpi ulnaris (action)
Wrist flexor, adducts hand
43
Flexor carpi ulnaris(origin)
medial epicondyle of humerus; olecranon process and posterior surface of ulna
44
Flexor carpi ulnaris (insertion)
pisiform; hamate; 5th metacarpal
45
Extensor carpi radialis longus (muscle group)
posterior superficial forearm
46
Extensor carpi radialis longus(action)
extends and abducts wrist
47
Extensor carpi radialis longus(origin)
lateral supracondylar ridge of humerus
48
Extensor carpi radialis longus(insertion)
base of 2nd metacarpal
49
Extensor carpi radialis brevis(muscle group)
posterior superficial forearm
50
Extensor carpi radialis brevis(action)
extends and abducts wrist
51
Extensor carpi radialis brevis(origin)
lateral epicondyle of humerus
52
Extensor carpi radialis brevis(insertion)
base of 3rd metacarpal
53
Extensor carpi ulnaris (muscle group)
Posterior superficial forearm
54
Extensor carpi ulnaris (action)
Extends and abducts wrist
55
Extensor carpi ulnaris (origin)
Lateral epicondyle of humerus; posterior border of ulna
56
Extensor carpi ulnaris (insertion)
Base of 5th metacarpal
57
Flexor pollicis longus (muscle group)
anterior deep forearm
58
Flexor pollicis longus (action)
flexes distal phalanx of thumb
59
Flexor pollicis longus (origin)
anterior surface of radius
60
Flexor pollicis longus (insertion)
distal phalanx of thumb
61
Flexor digitorum profundus (muscle group)
anterior deep forearm
62
Flexor digitorum profundus (action)
Flexes distal interphalangeal joints; wrist flexion
63
Flexor digitorum profundus (origin)
Coronoid process; anteromedial surface of ulna
64
Flexor digitorum profundus (insertion)
Distal phalanges of fingers 2-5
65
Abductor pollicis longus (muscle group)
Posterior deep forearm
66
Abductor pollicis longus (action)
Abducts and extends thumb
67
Abductor pollicis longus(origin)
posterior surface of radius and ulna
68
Abductor pollicis longus(insertion)
base of 1st metacarpal; trapezium
69
Extensor pollicis longus (muscle group)
posterior deep forearm
70
Extensor pollicis longus(action)
extends thumb
71
Extensor pollicis longus(origin)
dorsal shaft of radius and ulna
72
Extensor pollicis longus(insertion)
base of distal phalanx of thumb
73
Supinator (muscle group)
posterior deep forearm
74
Supinator(action)
assists biceps brachii to supinate forearm
75
Supinator(origin)
lateral epicondyle of humerus; proximal ulna
76
Supinator(insertion)
proximal end of radius
77
Abductor pollicis brevis (muscle group)
Thenar of thumb
78
Abductor pollicis brevis(action)
abducts thumb
79
Abductor pollicis brevis(origin)
flexor retinaculum
80
Abductor pollicis brevis(insertion)
lateral base of thumbs proximal phalanx
81
Flexor pollicis brevis (muscle group)
Thenar of thumb
82
Flexor pollicis brevis(action)
flexes thumb
83
Flexor pollicis brevis(origin)
flexor retinaculum
84
Flexor pollicis brevis(insertion)
lateral side of base of proximal phalanx of thumb
85
Opponens pollicis (muscle group)
Thenar of thumb
86
Opponens pollicis(action)
opposition of thumb
87
Opponens pollicis(origin)
flexor retinaculum; trapezium
88
Opponens pollicis(insertion)
Anterior side of 1st metacarpal
89
Adductor pollicis(muscle group)
Thenar of thumb
90
Adductor pollicis(action)
adducts and helps to oppose thumb
91
Adductor pollicis (origin)
capitate and bas of metacarpals 2-4
92
Adductor pollicis(insertion)
medial side of base of proximal phalanx of thumb
93
Opponens digit minimi (muscle group)
Hypothenar of thumb
94
Opponens digit minimi(action)
opposition of the 5th metacarpal
95
Opponens digit minimi (origin)
hamate; flexor retinaculum
96
Opponens digit minimi(insertion)
medial side of 5th metacarpal
97
Lumbricals of the hand (muscle group)
Midpalmar
98
Lumbricals of the hand (action)
flex fingers at metacarpophalangeal joints; extends fingers at interphalangeal joints
99
Lumbricals of the hand (origin)
lateral side of flexor digitorium pfofundus
100
Lumbricals of the hand (insertion)
proximal phalanx of fingers 2-5
101
Palmar interossei (muscle group)
Midpalmar
102
Palmar interossei (action)
adducts fingers
103
Palmar interossei (origin)
midaxis side of all metacarpals except the 3rd metacarpal
104
Palmar interossei (insertion)
extensor expansion over 1st phalanx of each finger
105
Dorsal inerossei (muscle group)
Midpalmar
106
Dorsal inerossei (action)
Abducts fingers
107
Dorsal inerossei (origin)
side of metacarpals
108
Dorsal inerossei (insertion)
Extensor expansion over proximal phalanx of fingers 2-4

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