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
Which radiographic projection is the standard view used in CBP to measure cervical lordosis?
Answer: Lateral cervical view in neutral position
CBP uses the neutral lateral cervical radiograph as the standard projection for measuring cervical lordosis with the posterior tangent or Cobb angle method.
In CBP radiographic analysis, what does a positive Cobb angle measurement indicate when applied to the lumbar spine?
Answer: The degree of sagittal curvature (lordosis or kyphosis) measured between the superior endplate of L1 and the inferior endplate of L5
In the lumbar sagittal plane, the Cobb angle between L1 superior endplate and L5 inferior endplate quantifies the lumbar lordosis arc, a key CBP measurement.
What is the primary purpose of a full-spine AP radiograph in CBP evaluation?
Answer: To measure and document coronal plane (frontal) spinal alignment and detect lateral translations or scoliosis
The full-spine AP view allows CBP clinicians to assess global coronal balance, detect lateral translations, quantify any scoliotic curves, and evaluate pelvic levelness.
In CBP, what is the 'posterior tangent method' used to measure?
Answer: Individual vertebral body angular position relative to a true vertical or horizontal reference on lateral radiographs
The posterior tangent method draws a line along the posterior surface of each vertebral body, then measures its angle relative to a reference line to quantify segmental angulation.
Which radiographic landmark is used to establish the horizontal reference line in a standing lateral lumbar radiograph during CBP analysis?
Answer: The S1 superior endplate or sacral base
The S1 superior endplate (sacral base) is the foundational horizontal reference for lumbar sagittal analysis in CBP, as it defines the platform upon which the lumbar spine sits.
When measuring the atlas plane line (APL) on an AP radiograph in CBP, what is being assessed?
Answer: The lateral tilt of the C1 vertebra relative to a true horizontal reference line
The atlas plane line measures the lateral inclination (tilt) of the C1 ring on the AP view, which is a key coronal plane measurement used in upper cervical CBP analysis.