Very recent publication. The test did identify 3 cases of pubic joint instability but does not appear to be an accurate assessment of sacroiliac joint instability.
Radiosteriometric analysis of movement in the sacroiliac joint during a
single-leg stance in patients with long-lasting pelvic girdle pain
Thomas J. Kibsgård a,⁎,1, Olav Røise a,b, Bengt Sturessonc, Stephan M. Röhrl a, Britt Stuge a
Clinical Biomechanics 29 (2014) 406–411
Background: Chamberlain's projections (anterior–posterior X-ray of the pubic symphysis) have been used to diagnose sacroiliac joint mobility during the single-leg stance test. This study examined the movement in the sacroiliac joint during the single-leg stance test with precise radiostereometric analysis. Methods: Under general anesthesia, tantalum markers were inserted into the dorsal sacrum and the ilium of 11 patients with long-lasting and severe pelvic girdle pain. After two to three weeks, a radiostereometric analysis was conducted while the subjects performed a single-leg stance. Findings: Small movements were detected in the sacroiliac joint during the single-leg stance. In both the standing- and hanging-leg sacroiliac join, a total of 0.5 degree rotation was observed; however, no translations were detected. There were no differences in total movement between the standing- and hanging-leg sacroiliac joint. Interpretation: The movement in the sacroiliac joint during the single-leg stance is small and almost undetectable by the precise radiostereometric analysis. A complex movement pattern was seen during the test, with a combination of movements in the two joints. The interpretation of the results of this study is that, the Chamberlain examination likely is inadequate in the examination of sacroiliac joint movement in patients with pelvic girdle pain.
Radiosteriometric analysis of movement in the sacroiliac joint during a
single-leg stance in patients with long-lasting pelvic girdle pain
Thomas J. Kibsgård a,⁎,1, Olav Røise a,b, Bengt Sturessonc, Stephan M. Röhrl a, Britt Stuge a
Clinical Biomechanics 29 (2014) 406–411
Background: Chamberlain's projections (anterior–posterior X-ray of the pubic symphysis) have been used to diagnose sacroiliac joint mobility during the single-leg stance test. This study examined the movement in the sacroiliac joint during the single-leg stance test with precise radiostereometric analysis. Methods: Under general anesthesia, tantalum markers were inserted into the dorsal sacrum and the ilium of 11 patients with long-lasting and severe pelvic girdle pain. After two to three weeks, a radiostereometric analysis was conducted while the subjects performed a single-leg stance. Findings: Small movements were detected in the sacroiliac joint during the single-leg stance. In both the standing- and hanging-leg sacroiliac join, a total of 0.5 degree rotation was observed; however, no translations were detected. There were no differences in total movement between the standing- and hanging-leg sacroiliac joint. Interpretation: The movement in the sacroiliac joint during the single-leg stance is small and almost undetectable by the precise radiostereometric analysis. A complex movement pattern was seen during the test, with a combination of movements in the two joints. The interpretation of the results of this study is that, the Chamberlain examination likely is inadequate in the examination of sacroiliac joint movement in patients with pelvic girdle pain.
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