Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/5

Click to flip

5 Cards in this Set

  • Front
  • Back
External intercostal muscles
fill intercostal spaces in a hands-in-pockets orientation, help w/ breathing
Internal intercostal muscles
deep to external intercostals with fibers at a right angle to them, help with breathing
Structures passing through diaphragm
-esophagus, only structure passing thru central tendon
-aorta
-IVC
Central tendon
muscle fibers from xiphoid process lower six ribs and upper 2 lumbar vertebrae attatch to tendon, when contracted tendon pulls down and increases size of thoracic cavity
Innervation of diaphragm
phrenic nerve in C345, this nerve keeps you alive