Abstract Background Data: Incidence of sacroiliac dysfunction in a population suffering from low back pain (LBP) after lumbosacral (LS) fusion is unknown. The underlying pathophysiology of SIJ pain may be increased by mechanical load, iliac crest bone grafting, or a misdiagnosis of SIJ syndrome. Purpose: To evaluate the incidence of SIJ pain and the accuracy of diagnostic tools with utility ...
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