Lab Exam 1 Flashcards

1
Q

Sternocleidomastoid (Origin)

A

Clavicle and Manubrium

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2
Q

Sternocleidomastoid (Insertion)

A

Mastoid process of temporal bone

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3
Q

Sternocleidomastoid (Action)

A

Flexes, laterally flexes, and rotates head to opposite side

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4
Q

Trapezius (Origin)

A

Occipital protuberance, C7-T12 spinous process

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5
Q

Trapezius (Insertion)

A

Clavicle acromion process and spine of scapula

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6
Q

Trapezius (Action)

A

Upper: Extends head or elevates shoulder girdle
Middle: Retracts and stabilizes scapula
Lower: Depresses scapula and shoulder girlde

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7
Q

Levator Scapulae (Origin)

A

C1-C4 spinous processes

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8
Q

Levator Scapulae (Insertion)

A

Superior angle of scapula

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9
Q

Levator Scapulae (Action)

A

Elevates Scapula

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10
Q

Rhomboid Minor (Origin)

A

C7-T1 Spinous Processes

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11
Q

Rhomboid Minor (Insertion)

A

Medial Border of scapula

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12
Q

Rhomboid Minor (Action)

A

Scapular retraction

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13
Q

Rhomboid Major (Origin)

A

T2-T5 Spinous processes

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14
Q

Rhomboid Major (Insertion)

A

Medial Border of scapula

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15
Q

Rhomboid Major (Action)

A

Scapular retraction

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16
Q

Pectoralis Minor (Origin)

A

Ribs 3-5

17
Q

Pectoralis Minor (Insertion)

A

Coracoid process of scapula

18
Q

Pectoralis Minor (Action)

A

Depresses scapula; elevates 3-5 ribs

19
Q

Serratus Anterior (Origin)

A

Ribs 1-8

20
Q

Serratus Anterior (Insertion)

A

Inferior angle and medial border of scapula

21
Q

Serratus Anterior (Action)

A

Scapular Protraction