Sacroiliac dysfunction in construction workers. In the literature of manual medicine, the sacroiliac joint is widely accepted as a potential source of low back pain. On the other hand some investigations have detected sacroiliac joint dysfunction without concomitant low back pain. However, the prevalence of sacroiliac dysfunction in the general population and for construction workers are unknown. The prevalence of and the connection between sacroiliac dysfunction and low back pain are particularly interesting.
Manual examination is the standard in the diagnostics of sacroiliac joint conditions at present.
This study demonstrated no statistical associations between low back pain and sacroiliac joint dysfunction. The reason why there are symptomatic and asymptomatic sacroiliac dysfunctions has not yet been sufficiently elucidated. The identification of pain provoking factors should be the aim of subsequent investigations. A further study with a prospective design will be necessary to answer the questions which remain open. The rationale for assessing the effects of manipulative therapy on autonomic tone by analysis of heart rate variability.