Study of relationship between low back pain relation and foot disorders

Introduction: Low back pain (LBP) has a high prevalence in any society. Although the relation between LBP and foot disorders is improbable, however, knowing this subject that each part of the foot has a role in body balance and this has a significant relationship with cooperation of body muscles, and any change in foot parts can affect the entered forces to the muscles and change them. The purpose of this study was to determine the relation between chronic LBP and foot disorders in two groups of healthy and LBP affected subjects. Materials and Methods: This is a case-control study, in which the relation between LBP and some foot disorders like Hallux valagus, Hallax rigidus, flat foot, calf muscle tightness and foot dimensions in subjects with and without LBP was studied. These subjects were selected with simple nonrandomized sampling and there were 83 subjects in each group. Results: Findings showed a significant relation between Hallux valgus, Hallux rigidus, flat foot and solcus tightness with chronic LBP, but no significant relationship between foot dimensions (except width of right sole) and gastrocnemius tightness with chronic LBP was found. Conclusion: According to these results it can concluded the foot and ankle disorders due to their effects on posture, balance and gait, in long time, may cause chroic LBP.