• Stéphane Armand, Ziva Tavcar, Katia Turcot, Lara Allet, Pierre Hoffmeyer, and Stéphane Genevay.
• Willy Taillard Laboratory of Kinesiology, Geneva University Hospitals and University of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211 Geneva 14, Switzerland; Division of Orthopaedics and Trauma Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland. Electronic address: stephane.armand@hcuge.ch.
• Joint Bone Spine. 2014 Dec 1; 81 (6): 527-32.

ObjectiveThe aim of this study was to evaluate the effectiveness of unstable shoes in reducing low back pain in health professionals.MethodsOf a volunteer sample of 144 participants, 40 with nonspecific chronic low back pain were eligible and enrolled in this study. Participants were randomized to an intervention group, who wore unstable shoes (model MBT Fora), or a control group, who wore conventional sports shoes (model Adidas Bigroar). The participants had to wear the study shoes during their work hours, and at least 6 hours per workday, over a period of 6 weeks. The primary outcome was low back pain assessed on a Visual Analog Scale. The secondary outcomes were patient satisfaction, disability evaluated using Roland-Morris questionnaire and quality of life evaluated using EQ-VAS.ResultsThe intervention group showed a significant decrease in pain scores compared to the control group. The rate of satisfaction was higher in the intervention group (79%) compared to the control group (25%). There was no significant difference for the Roland-Morris disability questionnaire score and the EQ-VAS scale.ConclusionsThe results of this clinical trial suggest that wearing unstable shoes for 6 weeks significantly decreases low back pain in patients suffering from chronic low back pain but had no significant effect on quality of life and disability scores.Copyright © 2014 Société française de rhumatologie. Published by Elsevier SAS. All rights reserved.

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