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A&P > Muscle action- anterior torso > Flashcards

Muscle action- anterior torso Flashcards

1
Q

Pectoralis major

A

abducts and medically rotates arm

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2
Q

Pectoralis minor

A

depresses and downward lay rotates scapula

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3
Q

Serratus anterior

A

pulls scapular anteriorly and down (shoulder depression)

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4
Q

Internal intercostals

A

depresses ribs (exhaling)

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5
Q

External intercostals

A

lift ribs (inhaling)

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6
Q

Internal oblique

A

compresses abdomen, flexes and rotates vertebral column

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7
Q

External obliques (#2)

A

rotate and flex vertebral column (bowing, twisting)

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8
Q

Rectus abdominis (#1)

A

flexes vertebral column (bowing)

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9
Q

Transverse abdominis (#4)

A

compress abdomen

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A&P (7 decks)

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