respiration/abdomen/back Flashcards Preview

Anatomy Lab 1 > respiration/abdomen/back > Flashcards

Flashcards in respiration/abdomen/back Deck (5):
1

diaphragm origin, insertion and 1 action

origin: xiphoid process, ribs, and costal cartilages
insertion: central tendon of diaphragm
action 1: expand lungs

2

external intercostals origin, insertion and 2 actions

origin: inferior margins of ribs
insertion: superior margins of ribs
action 1: elevate ribs
action 2: expand lungs

3

internal intercostals origin, insertion, and 2 actions

origin: superior margins of ribs
insertion: inferior margin of ribs
action 1: depress ribs
action 2: compress lungs

4

external abdominal oblique origin, insertion and 2 actions

origin: ribs
insertion: iliac crest and pubis
bilateral action: compress/support abdomen, expiration
unilateral action: rotation of waist

5

internal abdominal oblique origin, insertion and 2 actions

origin: iliac crest and thoracolumbar fascia
insertion: ribs
bilateral action: compress/support abdomen, expiration
unilateral action: rotation of waist