Spine (Phila Pa 1976). 1990 Jan;15(1):24-7.

A comparison of four computerized methods for measuring vertebral rotation.

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Department of Surgery, University of Alberta, Edmonton, Canada.

Abstract

The ability to measure vertebral rotation is particularly important in the assessment and treatment of scoliosis. We determined the accuracy and precision of four methods that may be used with routine anteroposterior (AP) spine radiographs. Two vertebrae were radiographed at 0 degrees and at 5 degrees intervals to 20 degrees and at 30 degrees, to the right and left. The radiographs were distributed to three members of the staff who marked the 14 points required for calculating rotation with the four methods. The points were digitized, and rotation calculated by computer. The results showed no significant difference in the calculated rotation of the two vertebrae, or between the results of the three markers. Stokes's method was significantly the least accurate. The other three methods were not significantly different but Bunnell's method appeared to give more consistent results.

PMID:: 2183368; [PubMed - indexed for MEDLINE]

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Cited by 3 PubMed Central articles

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