Axial Skeleton: Vertebral Column and Thoracic Cage Flashcards
How many vertebrae are there?
33
How many vertebrae are movable?
26
What is the purpose of the vertebral column?
Support and protection
Why does the spine have curvatures?
To help center weight and shock absorbtion
What is the name for lumbar curvature?
Lordosis
What is the name of cervical curvature?
Kyphosis
What part of the vertebrae is between the spinous process and transverse process?
Lamina
What is between the transverse process and the body of a vertebrae?
Pedicles
What allows the passage of spinal nerves?
Intervertebral foramen
What medical procedure removes the back of the spine to access the spinal cord?
Laminectomy
What limits the twisting of the vertebral column?
Interlocking of the superior and interior processes
What does the Fibrocartilage disc do?
Shock absorption and to compress or elongate
What is the name of the outer ring of Fibrocartilage?
Anulus fibrosus
What passes through the spinous process?
Nuchal ligament
How many cervical vertebrae are there?
7
What is unique about the cervical vertebrae?
Has foramen in the transverse process and bifurcated spinous process
What does a bifurcated spinous process mean?
The spinous process is split in two
What is the other name of the C1 vertebrae?
Atlas
The other name of the C2 vertebrae
Axis
The other name of the C7 vertebrae
Vertebra prominens
What joint makes the yes motion?
Atlanto-occipital joint
What joint makes the no motion?
Odontoid process
What is the articulation of the atlas and axis called?
Altantoaxial joint
What is the defining feature of the C7 (Vertebra prominens)?
Large long spinous process
How many thoracic vertebrae?
12
What attaches to the thoracic vertebrae?
Ribs
What part of the thoracic vertebrae do the ribs attach?
Costal facets and transverse process
What is special about ribs 11 and 12?
They don’t have tubercles and they are floating
Where does the adult spinal cord end?
L1
How many lumbar vertebrae?
5
What medical procedure happens between the L3 and L4?
Spinal tap
Which type of vertebrae is the largest?
Lumbar
What extra vertebrae can cause back problems?
6th lumbar
How many vertebrae in the sacrum?
5
Where does the sacrum articulate?
Os coxae
What part of the sacrum articulates with the os coxae?
Auricular joint
What is the name of the joint between the sacrum and the os coxae?
Sacroiliac joint
How many Coccyx vertebrae?
4
What is the more well known name for the coccyx?
Tail bone
What natural process can damage the coccyx?
Childbirth
What makes up the thoracic cage?
Ribs, thoracic vertebrae, sternum, and costal cartilage
What attaches to the lowest rib?
Diaphram
What notch is at the superior portion of the manubrium?
Jugular (super sternal) notch
What is directly superior to the super sternal notch?
Suprasternal fossa
What is the name of where the second set of ribs attach?
Sternal angle
What can happen if you hit the xiphoid?
It can puncture the liver
How many ribs are there?
24
How many true rib pairs?
7
How many false ribs?
6
How many floating rib pairs?
2
What makes the floating ribs unique?
They don’t attack to the sternum
What do all the false ribs have in common?
They share the costal cartilage attachment
What is important about Otzis ribs?
Didn’t have 12th pair of ribs
What can result from a damaged spinal cord?
You can’t breathe
What is a flail chest?
3 or more adjacent rib fractures
What is an example of a neural tube defect?
Spinal bifida
What muscles support the spine anteriorly?
Rectus abdominis
What muscle supports the spine posteriorly?
Erector spinae
