Muscles of the trunk Flashcards by yanira mejia | Brainscape

Q

diaphragm

A

PRIME MOVER

breathing

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Q

external intercostal

A

elevates ribs during inhalation

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Q

internal intercostal

A

lowers during inhalation

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Q

transverse thoracis

A

depresses upper ribs during exhalation

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Q

rectus abdominis

A

trunk flexion

origin: pubis bone
insertion: xiphoid process

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Q

external oblique

A

lateral trunk flexion

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Q

internal oblique

A

lateral trunk flexion

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Q

quadratus lumborum

A

lateral trunk flexion

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Q

transverse abdominis

A

compresses abdomen

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Q

erector spinae group

A

PRIME MOVER

trunk extension

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