CBP Radiographic Analysis Flashcards
6 cards from real CBP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CBP Radiographic Analysis flashcards as text
What is the significance of the 'George's line' on a lateral cervical radiograph in CBP analysis?
Answer: It connects the posterior vertebral body margins and a break in this line indicates anterior or posterior subluxation
George's line is a continuous line along the posterior vertebral body margins; any step-off or discontinuity indicates translational subluxation at that segment.
In CBP, what does a 'reversed cervical curve' (cervical kyphosis) on a lateral radiograph indicate clinically?
Answer: Significant deviation from the ideal lordosis that increases mechanical stress, often associated with pain and disc degeneration
A reversed cervical curve (kyphosis) represents a significant structural abnormality in CBP, associated with increased discal loading, pain, and accelerated degeneration.
Which radiographic finding on an AP lumbopelvic film is used in CBP to assess frontal plane pelvic balance?
Answer: The iliac crest heights and femoral head heights compared bilaterally
CBP evaluates frontal plane pelvic balance by comparing bilateral iliac crest heights and femoral head heights on the AP film to detect pelvic obliquity or leg length discrepancy.
According to CBP radiographic guidelines, how is the 'sagittal vertical axis' (SVA) measured on a lateral full-spine radiograph?
Answer: By dropping a plumb line from C7 and measuring its horizontal distance from the posterior-superior corner of S1
The SVA is the horizontal offset (in mm) of a vertical plumb line dropped from C7 relative to the posterior-superior corner of S1, with positive values indicating anterior imbalance.
What is the CBP recommendation regarding repeat radiographs during a course of treatment?
Answer: Post-treatment radiographs are taken after a defined correction phase to objectively document structural change
CBP protocols include post-treatment radiographs after the corrective phase to objectively measure angular change and validate whether structural correction has been achieved.
On a lateral cervical radiograph, a reduced atlantodens interval (ADI) below the normal limit may suggest which condition that a CBP practitioner must recognize?
Answer: Atlantoaxial instability or ligamentous laxity that is a contraindication to certain manipulative techniques
An abnormal ADI suggests atlantoaxial instability (e.g., due to dens fracture, rheumatoid arthritis, or Down syndrome ligamentous laxity), which is a major contraindication to cervical manipulation.