| Objective: In this current study, radiographs were taken to determine whether pelvic distortions could be demonstrated on x-ray when pelvic blocks were placed under the patient in the prone position. Methods: One patient was placed prone in a neutral position and radiographs were taken in a neutral position, and then with a pair of pelvic blocks placed under the subject in each of 4 different positions: (Right Short Leg - Category One) left iliac crest, right greater trochanter; (Left short Leg – Category One) right iliac crest, left greater trochanter; (SB+) left and right iliac crests; and (SB−) left and right greater trochanters. Results: Findings indicated that pelvic block placement could create or affect distortions of the pelvis. Conclusion: Further studies are indicated correlating radiographic analysis, pain provocation, and muscle strength to determine if a clear pelvic block preference can be determined definitively. This abstract is reproduced with the permission of the publisher; click on the above link for free full text.
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