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Muscles and Their Actions Flashcards

1
Q

Sternocleidomastoid

A

Flexes neck - singly rotates head in opposite direction

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2
Q

Orbicularis oculi

A

Closes eye

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3
Q

Orbicularis oris

A

Compresses, purses lips

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4
Q

Temporalis

A

Elevates mandible

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5
Q

Masseter

A

Elevates mandible

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6
Q

Buccinator

A

Compresses cheeks

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7
Q

Levator palpebrae superioris

A

Elevates upper eyelid

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8
Q

Pectoralis major

A

Flexion, adduction at shoulder

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9
Q

Rectus abdominis

A

Flexes trunk

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10
Q

External oblique

A

Compresses abdomen

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11
Q

Internal oblique

A

Compresses abdomen

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12
Q

Transversus abdominis

A

Compresses abdomen

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13
Q

Serratus anterior

A

Rotates, protracts scapula

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14
Q

Trapezius

A

Superior fibers: 1) extends neck 2) elevates scapula Inferior fibers: Rotates, retracts scapula

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15
Q

Latissimus dorsi

A

Extension, adduction at shoulder

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16
Q

Erector spinae

A

Extension of trunk

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17
Q

Supraspinatus

A

Abducts arm

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18
Q

Infraspinatus

A

Laterally rotates arm

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19
Q

Teres minor

A

Laterally rotates arm

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20
Q

Subscapularis

A

Medially rotates arm

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21
Q

Teres major

A

Extends shoulder; adducts and mediatlly rotates arm

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22
Q

External intercostal

A

Elevates ribs (inhalation)

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23
Q

Internal intercostal

A

Depresses ribs (exhalation)

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24
Q

Diaphragm

A

Inhalation; increases thoracic cavity volume

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25
Gastrocnemius
Plantar flexion
26
Soleus
Plantar flexion
27
Fibularis longus
Eversion
28
Fibularis brevis
Eversion
29
Extensor digitorum longus
Extends digits; dorsi flexion
30
Tibilais anterior
Inversion
31
Flexor digitorum longus
Flexes digits; plantar flexion
32
Gluteus maximus
Extends hip; abducts thight
33
Gluteus medius
Abducts thigh
34
Gluteus minimus
Abducts thigh
35
Rectus femoris
Extends leg at knee; flexes hip
36
Vastus lateralis
Extends leg at knee
37
Vastus medialis
Extends leg at knee
38
Vastus intermedius
Extends leg at knee
39
Biceps femoris
Flexes leg at knee; laterally rotates let
40
Semitendinosus
Flexes leg at knee; medially rotates leg
41
Semimembranosus
Flexes leg at knee; medially rotates leg
42
Gracilis
Adducts thigh; flexes hip
43
Adductor longus
Adducts, laterally rotates thigh
44
Adductor brevis
Adducts, laterally rotates thigh
45
Adductor magnus
Adducts, laterally rotates thigh
46
Iliopsoas
Flexes hip
47
Sartorius
Flexes hip and knee; crossing legs motion
48
Tensor fasciae latae
Flexes hip
49
Deltoid
Abducts arm at shoulder
50
Biceps brachii
Flexes arm at elbow
51
Triceps brachii
Extends arm at elbow
52
Brachialis
Flexes arm at elbow
53
Flexor carpi ulnaris
Flexes, adducts wrist
54
Flexor carpi radialis
Flexes, abducts wrist
55
Extensor carpi ulnaris
Extends, adducts wrist
56
Extensor carpi radialis longus
Extends, abducts wrist
57
Flexor digitorum profundus
Flexes fingers
58
Extensor digitorum
Extends finges
59
Flexor pollicis longus
Flexes thumb
60
Extensor pollicis longus
Extends thumb
61
Supinator
Supinates forearm
62
Pronator quadratus
Pronates forearm
63
What is muscle 12?
Sternocleidomastoid
64
What is muscle 4?
Orbicularis oculi
65
What is muscle 9?
Orbicularis oris
66
What is muscle 3?
Temporalis
67
What is muscle 10?
Masseter
68
What is muscle 11?
Buccinator
69
What is muscle 3?
Levator palpebrae superioris
70
Pectoralis major
71
Rectus abdominis
72
External oblique
73
Internal oblique
74
Transversis abdominis
75
Serratus anterior
76
Trapezius
77
Latissimus dorsi
78
Erector spinae
79
Supraspinatus
80
Infraspinatus
81
Teres major
82
External intercostal
83
Internal intercostal
84
Diaphragm
85
Gastrocnemius
86
Soleus
87
Fibularis longus
88
Fibularis brevis
89
Extensor digitorum longus
90
Tibilais anterior
91
Flexor digitorum longus
92
Gluteus maximus
93
Gluteus medius
94
Gluteus minimus
95
Rectus femoris
96
Vastus lateralis
97
Vastus medialis
98
Vastus intermedius
99
Biceps femoris
100
Semitendinosus
101
Semimembranosus
102
Gracilis
103
Adductor longus
104
Adductor brevis
105
Adductor magnus
106
Iliopsoas
107
Sartorius
108
Tensor fasciae latae
109
Deltoid
110
Biceps brachii
111
Triceps brachii
112
Brachialis
113
Brachioradialis
114
Flexor carpi ulnaris
115
Flexor carpi radialis
116
Extensor carpi radialis longus
117
Flexor digitorum
118
Flexor pollicis longus
119
Extensor pollicis longus
120
Supinator
121
Pronator quadratus
122
Extensor carpi ulnaris
123

A&P (19 decks)

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