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Anatomy 1L, Muscles > Muscles OIA > Flashcards

Muscles OIA Flashcards

(81 cards)

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1
Q

Orbicularis oculi Origin

A

frontal and maxillary bones

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2
Q

Orbicularis oculi Insertion

A

skin around eyes

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3
Q

Orbicularis oculi Action

A

close and squint eyes

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4
Q

Orbicularis oris Origin

A

maxilla and mandible

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5
Q

Orbicularis oris Insertion

A

skin around lips

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6
Q

Orbicularis oris Action

A

closes and protrudes lips

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7
Q

Masseter Origin

A

zygomatic arch

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8
Q

Masseter Insertion

A

mandibular ramus

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9
Q

Masseter Action

A

elevates mandible

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10
Q

Sternocleidomastoid Origin

A

manubrium and clavicle

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11
Q

Sternocleidomastoid Insertion

A

Mastoid process

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12
Q

Sternocleidomastoid Action

A

head flexion and rotation

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13
Q

Trapezius Origin

A

occipital bone, c7 and thoracic vertebrae

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14
Q

Trapezius Insertion

A

spine of scapula and clavicle

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15
Q

Trapezius Action

A

stabilizes, raises and rotates scapula

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16
Q

Rectus Abdominis Origin

A

pubic bone

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17
Q

Rectus Abdominis Insertion

A

xiphoid process and ribs 5-7

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18
Q

Rectus Abdominis Action

A

flexes, rotates vertebrae, increases intraabdominal pressure

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19
Q

External oblique Origin

A

lower 8 ribs

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20
Q

External oblique Insertion

A

linea alba

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21
Q

External oblique Action

A

flexes, rotates, and laterally flexes trunk

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22
Q

Internal oblique Origin

A

lumbar fascia and iliac crest

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23
Q

Internal oblique Insertion

A

linea alba, pubic crest and last 3-4 ribs

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24
Q

Internal oblique Action

A

flexes, rotates and laterally flexes trunk

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25
Erector spinae Origin
iliac crest, ribs and vertebrae
26
Erector spinae Insertion
ribs, vertebrae and skull
27
Erector spinae Action
keep the spine erect and extends trunk
28
Deltoid Origin
clavicle, acromion and spine of scapula
29
Deltoid Insertion
deltoid tuberosity of humerus
30
Deltoid Action
abducts, flexes, extends and rotates arm
31
Pectoralis major Origin
clavicle, ribs 1-6 and sternum
32
Pectoralis major Insertion
intertubercular groove of humerus
33
Pectoralis major Action
flexes and adducts arm
34
Latissimus dorsi Origin
iliac crest, lower thoracic and lumbar vertebrae
35
Latissimus dorsi Insertion
intertubercular groove of humerus
36
Latissimus dorsi Action
extends and adducts arm
37
Biceps brachii Origin
coracoid process and glenoid cavity of shoulder joint
38
Biceps brachii Insertion
radial tuberosity
39
Biceps brachii Action
flexes forearm
40
Triceps brachii Origin
scapula and posterior humerus
41
Triceps brachii Insertion
olecranon process of shoulder joint
42
Triceps brachii Action
extends forearm
43
Brachioradialis Origin
distal humerus
44
Brachioradialis Insertion
styloid process of radius
45
Brachioradialis Action
flexes forearm
46
Iliopsoas Origin
Ilium, sacrum, T12 and lumbar vertebrae
47
Iliopsoas Insertion
lesser trochanter and proximal femur
48
Iliopsoas Action
flexes thigh
49
Gluteus maximus Origin
Ilium, sacrum and coccyx
50
Gluteus maximus Insertion
gluteal tuberosity
51
Gluteus maximus Action
extends and abducts thigh
52
Gluteus medius Origin
lateral ilium
53
Gluteus medius Insertion
greater trochanter
54
Gluteus medius Action
abducts and medially rotates thigh
55
Sartorius Origin
anterior superior iliac spine
56
Sartorius Insertion
medial proximal tibia
57
Sartorius Action
flexes, abducts, laterally rotates thigh
58
Rectus femoris Origin
anterior inferior iliac spine
59
Rectus femoris Insertion
tibial tuberosity
60
Rectus femoris Action
flexes the thigh and extends the leg
61
Vastus muscle group Origin
greater trochanter, intertrochanteris line and proximal femoral diaphysis
62
Vastus muscle group Insertion
tibial tuberosity
63
Vastus muscle group Action
extends leg
64
Adductor muscle group Origin
pubic bone
65
Adductor muscle group Insertion
linea aspera
66
Adductor muscle group Action
adduct and medially rotates thigh
67
Biceps femoris Origin
ischial tuberosity and linea aspera
68
Biceps femoris Insertion
head of fibula and lateral condyle of tibia
69
Biceps femoris Action
extends, laterally rotates thigh and flexes leg
70
Semitendinosus Origin
Ischial tuberosity
71
Semitendinosus Insertion
proximal and medial tibia
72
Semitendinosus Action
extends, medially rotates thigh and flexes leg
73
Semimembranosus Origin
Ischial tuberosity
74
Semimembranosus Insertion
proximal and medial tibia and lateral condyle of femur
75
Semimembranosus Action
extends, medially rotates thigh and flexes leg
76
Gastrocnemius Origin
medial and lateral femoral condyles
77
Gastrocnemius Insertion
posterior calcaneus
78
Gastrocnemius Action
plantarflexes foot and flexes leg
79
Tibialis anterior Origin
proximal tibia
80
Tibialis anterior Insertion
first metatarsal and medial of cuniform
81
Tibialis anterior Action
dorsiflexes and inverts foot

Anatomy 1L, Muscles (2 decks)

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