lecture 12 (Therotic anatomy) Flashcards
(20 cards)
What is the name of the top bone of the sternum
manubrium
what is the name of the middle bone of the sternum
Body
what is the name for the third (buttom) bone of the sternum
xiphoid process
what kind of bones are the ribes
Flat bone
how many bones in the ribs are there
there are 12 pairs (24)
what is the name of the joint between the manubrium and the ribs
sternocostal
what is the name of the joint between the sternum body and the ribs
costochondrial
what is the name of the joint between the xiphoid process and the ribs
interchondrial
what part of the ribs is the only cartilaginous joint
the first ones (the rest are synovial 2 - 7)
Accessory inspiratory muscles:
what muscle is sitting above the collarbone
the Sternocleidomastoid
Accessory inspiratory muscles:
what muscle is sitting just under the collarbone
The Scalenes
Accessory inspiratory muscles:
what muscle is stting above the pectorals major
pectorialis minor
Accessory inspiratory muscles:
what muscle is sitting outside of the pectorialis minor
serratus anterior
Primary inspiratory muscles:
what is the name of the muscle that is sitting within the low ribs region
diaphragm
what is intercostal
it refers to something located between the ribs
how many layers of intercostal muscles are there
there are 3
external
internal
innermost
what is the function of the external intercostal muscles
they are primary muscles of inspiration
what is the function of the internal/innermost intercostal muscles
they are for forced expiration
what is the diaphragm
It’s a dome-shaped, muscular sheet of tissue that separates the chest cavity from the abdominal cavity
what is the function of the diaphragm
to assist in breathing by acting as the main muscle of inspiration
(it has three opening for structures to pass through)
