Classification of Muscles Accdg. to Action Flashcards by 黄心美 Unknown | Brainscape

Q

Levator

A

Raises a part

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Q

Depressor

A

Lowers a part

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Q

Dilator

A

Widens an opening

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Q

Constrictor

A

Narrows an opening

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Q

Sphincter

A

Encircles/closes an aperture

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Q

Extensor

A

Straightens a part

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Q

Flexor

A

Bends a part

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Q

Adductor

A

Pulls a part TOWARDS the median axis

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Q

Abductor

A

Pulls a part AWAY the median axis

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Q

Retractor

A

Pushes a part TOWARDS the base

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Q

Protractor

A

Pushes a part AWAY from the base

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Q

Rotator

A

Turns a part ABOUT THE AXIS

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Q

Supinator

A

Rotator that turns a part UPWARS

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Q

Pronator

A

Rotator that turns a part DOWNWARD

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