Abstract
ObjectiveThe aim of the study was to determine the influence of manipulative treatment of sacroiliac joint (SIJ) hypomobility on the ability to maintain static balance of the body. MethodsWe compared displacements of the center of pressure (COP) in 2 groups of students of the University of Physical Education: the experimental group (30 people exhibiting SIJ hypomobility) and the control group (29 people without SIJ hypomobility). A manipulation was performed in the experimental group and a placebo procedure in the control group. Sacroiliac joint hypomobility was diagnosed by the following SIJ mobility tests: forward flexion test, Gillet test, long sitting test, lower limb adduction test. These and podometric tests were performed on all participants twice—before and after the procedure. The influence of experimental manipulation was examined by applying repeated-measures analysis of variance, and comparisons were made with Student's t test for dependent and independent samples and nonparametric tests. ResultsA statistically significant difference between before and after treatment was found in the experimental group (P < .05) in terms of COP pathway, COP pathway area, and average COP speed. Furthermore, the groups differed in before-treatment values of these parameters in favor of the control group, but after-treatment measurement revealed normalization of the levels of these characteristics in the experimental group to the level of the control group. ConclusionAs a result of SIJ manipulation, parameters related to the ability to maintain balance improved in the experimental group.
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