Functions Flashcards by Haley Flood

Q

Frontalis

A

Raises eyebrows

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Q

Occipitalis

A

Pulls scalp posteriorly

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Q

Mentalis

A

Protrudes lower lip

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Q

Risorius

A

Draws corner of lip laterally

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Q

Buccinator

A

draws corner of lips laterally

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Q

Orbicularis oculi

A

Closes eyelids

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Q

Orbicularis oris

A

Closes lips

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Q

Zygomaticus

A

Elevates corners of mouth

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Q

Depressor labii inferioris

A

Draws corners of mouth down and laterally

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Q

Masseter

A

Elevates mandible

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Q

Temporalis

A

Elevate and retract mandible

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Q

Platysma

A

Depress mandible

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Q

Sternocleidomastoid

A

Flex neck and rotate head

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Q

Digastrics

A

Elevate hyoid, open mouth, depress mandible

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Q

Scalenes

A

Flex and rotate neck, elevate ribs

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Q

Stylohyoid

A

Elevates and retracts hyoid

Q

Mylohyoid

A

Elevates hyoid bone during swallowing

Q

Levator scapulae

A

Raises scapula

Q

Sternohyoid

A

Depresses larynx

Q

Pectoralis minor

A

Elevates upper ribs

Q

External intercostals

A

Elevate rib cage, aid in inspiration

Q

Rectus abdominis

A

Flex and rotate vertebral column

Q

Serratus anterior

A

Move scapula forward, rotate scapula

Q

Internal intercostals

A

Depress rib cage, aid in expiration

Q

Transversus abdominis

A

Compress abdominal contents

Q

External oblique

A

Flex and rotate vertebral column, trunk rotation, lateral flexion

Q

Internal oblique

A

Flex and rotate vertebral column, trunk rotation, lateral flexion

Q

Trapezius

A

Extend neck; raise, rotate, and adduct scapula

Q

Erector spinae

A

Extend neck and vertebral column

Q

Latissimus dorsi

A

Arm extension; adduct and rotate arm