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Bio 210 > Muscles Of Respiration & abdominal > Flashcards

Muscles Of Respiration & abdominal Flashcards

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Biology 101 flashcards
1
Q

External Intercostals

A
  • Origin: in between ribs
  • Insertion: in between ribs
  • Action: elevate ribs (inhale)
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2
Q

Internal intercostals

A
  • Origin: in between ribs
  • Insertion: in between ribs
  • Action: depress ribs (exhale)
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3
Q

Diaphragm

A
  • Origin: inferior surface of rib cage
  • Insertion: central tendon
  • Action: Change volume of thoracic cavity (breathing)
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4
Q

Rectus Abdominis

A
  • Origin: pubic bone
  • Insertion: sternum, ribs 5-7
  • Action: compression of abdominal wall
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5
Q

Transverse abdominis

A
  • Origin: iliac crest
  • Insertion: pubic bone
  • Action: compression of abdominal wall
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6
Q

External oblique

A
  • Origin: lower 8 ribs
  • Insertion: iliac crest
  • Action: compression of abdominal wall
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7
Q

Internal oblique

A
  • Origin: iliac crest
  • Insertion: last 3 ribs
  • Action: compression of abdominal wall
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Bio 210 (23 decks)

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