C-Spine
What is another name for articular pillars?
Lateral masses
What vertebra will not be visualized on a lateral T spine? and why?
T1-T3, the anatomy of the shoulders is superimposing those vertebrae
What is best demonstrated on the lateral projection of the lumbar vertebrae?
Intervertebral Foramina
What is the most inferior portion of the sacrum called?
The apex
The sacrum articulates at the ilium with what to form the SI joints?
The Auricular surface
Why is the tube angled 15-20 degrees cephalic for the AP axial projection?
To account for the angle of the overlapping cervical bodies
What kind of curvature does the thoracic vertebrae have?
Kyphotic/Convex/Primary
What should you do to the waist on the lateral, and why?
Raise/position the waist to be parallel to the IR for open joint spaces
Before fusion in adulthood, what is the number of sacrum and coccyx bones in children?
5 sacral segments and 3-5 coccyx segments
What are the breathing instructions for AP axial projection?
Suspended respiration
What cervical projection requires you to use the MML line when positioning the patient?
Fuchs method
What differentiates thoracic vertebrae from the others?
Articulations for ribs
On the ap axial projection for L5/S1 what is the degree of angulation for males and females?
30 degrees for males, 35 degrees for females
How does the coccyx sit in the female and why?
More vertical and less pronounced because women give birth
What is the CR location for the posterior oblique SI projection?
1” medial to upside ASIS
For a posterior oblique, is the upside or downside best demonstrated?
the upside
The openings of the intervertebral foramina are located at what angle?
90 degrees from MSP
The intervertebral disks of the lumbar vertebrae are most commonly injured, why?
It is where the largest load of the body weight rests.
Where is the CR centered for an AP axial projection of the sacrum?
2 inches superior to the pubic symphysis
If the patient is in an LPO. What SI joint is best demonstrated?
right (upside)
What classification of joint and movement type is between C1 and C2?
Synovial and Plane
What makes up a costotransverse joint?
Tubercle of rib and Transverse process of vertebrae
When performing a posterior oblique, is the upside or downside best demonstrated?
The downside
True or False: The AP projections of the sacrum & coccyx can be taken as one single projection to decrease gonadal dose
False
Each SI joint opens obliquely at what angle?
30 degrees