When evaluating a lateral lumbar radiograph for proper alignment, which structures should be superimposed?

When evaluating a lateral lumbar radiograph for proper alignment, which structures should be superimposed?

• A. Lamina should be offset.
• B. Only the spinous processes should align.
• C. Posterior elements and vertebral bodies should align; spinous processes should be in a straight line.
• D. The pedicles should be overlapped.

Answer: (C)