Lab 2: Torso Muscles Flashcards

1
Q

Trapezius

origin

insertion

action

A

origin: occipitous process
insertion: clavicle
action: extends head

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2
Q

Latissimus Dorsi

origin

insertion

action

A

origin: Ribs 10-12
insertion: humerus
action: draws shoulder inferiorly

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3
Q

External Abdominal Oblique

origin

insertion

action

A

origin: Ribs 5-12
insertion: iliac crest
action: rotates trunk

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4
Q

internal Abdominal Oblique

origin

insertion

action

A

origin: lumbar fascia
insertion: rectus sheath
action: rotates trunk

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5
Q

Transversus abdominus

origin

insertion

action

A

origin: iliac crest
insertion: xiphoid process
action: rotatess trunk

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6
Q

Rectus Abdominus

origin

insertion

action

A

origin: pubic crest
insertion: xiphoid process
action: flexes spinal column

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7
Q

Serratus Anterior

origin

insertion

action

A

origin: Ribs 1-9
insertion: scalpula
action: abducts scalpula

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8
Q

Levator Scalpulae

origin

insertion

action

A

origin: vertebrae C1-C4
insertion: scalpula
action: elevates scalpula

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