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Biol 223 Anatomy & Physiology > Lab 5 - Muscle Functions > Flashcards

Lab 5 - Muscle Functions Flashcards

1
Q

Frontalis

A

Elevates eyebrows
Wrinkles skin of forehead

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2
Q

Occipitalis

A

Pulls scalp posteriorly

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3
Q

Buccinator

A

Compresses the cheek

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4
Q

Orbicularis Oculi

A

Closes the eye

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5
Q

Orbicularis Oris

A

Closes and protrudes the lip

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6
Q

Mentalis

A

Elevates and protrudes the lip

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7
Q

Platysma

A

Depresses lower lip
Tenses skin of neck

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8
Q

Zygomaticus Major

A

Pulls angle of mouth superiorly and laterally

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9
Q

Zygomaticus Minor

A

Elevates lateral portion of the lip

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10
Q

Temporalis

A

Retracts and elevates mandible

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11
Q

Masseter

A

Closes jaw
Elevates mandible

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12
Q

Splenius Capitus

A

Extends the neck

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13
Q

Sternocleidomastoid

A

Flexes neck

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14
Q

Erector spinae

A

Extends vertebral column

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15
Q

External Intercostals

A

Elevates rib cage

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16
Q

Internal Intercostals

A

Depresses rib cage

17
Q

Diaphragm

A

Expands thoracic cavity
Compresses adominopelvic cavity

18
Q

Rectus Abdominus

A

Compresses abdominal cavity
Flexes vertebral column

19
Q

Internal Obliques

A

Flexes or bends spine
Compresses abdomen

20
Q

External Obliques

A

Flexes or bends spine
Compresses abdomen
Depresses ribs

21
Q

Transversus Abdominus

A

Compresses abdomen

22
Q

Pectoralis Minor

A

Elevates ribs
Protracts and depresses scapula

23
Q

Levator Scapulae

A

Rotates, elevates, and retracts scapula

24
Q

Serratus Anterior

A

Protracts scapula
Superior rotation of scapula

25
Q

Trapezius

A

Rotates scapula posteriorly
Retracts and depresses scapula

26
Q

Subclavius

A

Protracts and depresses shoulder

27
Q

Rhomboid Major

A

Adducts scapula
Performs downward rotation

28
Q

Rhomboid Minor

A

Adducts scapula
Performs downward rotation

Biol 223 Anatomy & Physiology (1 decks)

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