respiration

What 3 things make up the sternum?
- manubrium
- body
- xiphoid process
How many pair of ribs are there?

12
How many true/false/floating ribs are there?
- 1-7 true
- 8-10 false
- 11-12 floating
What are some things the ribs help do?
- connect vertebral column with sternum
- due to attachements limits mvmt of thoracic spine
- protect internal organs
What attaches ribs to the sternum?

costal cartilage
Costovertebral facets (articulations) articulate with what 2 things?
- body of vertebra
- transverse processes
ribs and vertebrae join at 2 areas
What is a demifacet?

some ribs attach to only 1/2 of the vertebra up and down
All the joints (facets) are what type of joint?

monaxial, diarthrodial, gliding jts
What mvmt occurs at the rib cage?
- elevation
- depression
What happens when the rib cage moves up and out (elevates), and the thoracic cavity becomes larger?

inspiration
What happens when the rib cage moves down and in, the thoracic cavity becomes smaller, and the pressure is increased?

expiration
Inspiration contains what three phases?
- quiet
- deep
- forced
Expiration contains what 2 phases?
- quiet
- forced
What 2 muscles are used for deep inspiration?
- scalenes
- SCM
What 5 muscles are used for forced expiration?
- rectus abdominis
- external oblique
- internal oblique
- transverse abdominis
- quadratus lumborum

Author

jpowell22

147491

Card Set

respiration

Description

thorax/resp

Updated

2012-04-13T23:04:04Z