The average body rotation for an oblique projection of the lumbar spine is 45°; however, to better visualize the proximal zygopophyseal joints 50° obliquity can be used. Using the shift rule-of-thumb, how many additional inches would the centering be shifted to the upside from midline to compensate for the additional rotation?

A. inch
B. 1 inch
C. inch
D. 2 inches

Answer: A

Health Professions

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