Gross Anatomy Flashcards

1
Q

Frontalis

A

Function-Raises eyebrows
Origin- cranial aponeurosis
Insertion- skin of eyebrows

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2
Q

Orbicularis oculi

A

Function- blinks and closes eyes
Origin- frontal
Insertion- tissue around eyes

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3
Q

Orbicularis oris

A

Function-closes and protrudes lips
Origin- maxilla
Insertion- skin around mouth

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4
Q

Sternocleidomastoid

A

Function- flexes neck rotates head
Origin- sternum
Insertion- mastoid process

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5
Q

Pectoralis major

A

Function- medially rotates and adducts arm
Origin- sternum
Insertion- humerus

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6
Q

External obliques

A

Function- rotate and flex vertebral column
Origin- ribs 5-12
Insertion- iliac crest

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7
Q

Rectus abdominis

A

Function- flexes vertebral column
Origin- public crest
Insertion- xiphoid process

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8
Q

Latissimus dorsi

A

Function- adduction extension and medial rotation of arm
Origin- T7-T12
Insertion- humerus

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9
Q

Trapezius

A

Function- elevation, upward rotation of scapula, extends neck
Origin- occipital bone
Insertion- scapula

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10
Q

Levator scapulae

A

Function- elevates the scapula, shrugging Shoulders
Origin- C1-C4
Insertion- scapula

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11
Q

Deltoideus

A

Function- abducts arm
Origin- scapula
Insertion- humerus

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12
Q

Biceps brachii

A

Function- flexes elbow and supinate a forearm
Origin- scapula
Insertion- radius

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13
Q

Triceps brachii

A

Function- extends elbow
Origin- humerus
Insertion- ulna

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14
Q

Gastronemius

A

Function- plantar flexes foot and knee
Origin- femur
Insertion- calcaneus

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15
Q

Gluteus maximus

A

Function- extends thigh at hip and lateral thigh rotation
Origin- sacrum
Insertion- femur

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