Which positioning error occurred if the zygapophyseal joint isn't perfectly visible and the intervertebral foramen are starting to align?
overrotation
the patient's spine wasn't parallel
underrotation
no error occurred
overrotation
Rationale: The pedicle should be nearly centered on the vertebral body to indicate proper rotation was achieved. Underrotation will result with the pedicle still anterior on the vertebral body. Overrotation will result with the pedicle too posterior on the vertebra.
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