• Fábio Renovato França, Thomaz Nogueira Burke, Renê Rogieri Caffaro, Luiz Armando Ramos, and Amélia Pasqual Marques.
• Department of Physical Therapy, Communication Science & Disorders, Occupational Therapy, University of São Paulo, São Paulo, Brazil. fabiojrf@hotmail.com
• J Manipulative Physiol Ther. 2012 May 1;35(4):279-85.

ObjectiveThe purpose of this study was to compare the effects of 2 exercise programs, segmental stabilization exercises (SSEs) and stretching of trunk and hamstrings muscles, on functional disability, pain, and activation of the transversus abdominis muscle (TrA), in individuals with chronic low back pain.MethodsA total of 30 participants were enrolled in this study and randomly assigned to 1 of 2 groups as a function of intervention. In the segmental stabilization group (SS), exercises focused on the TrA and lumbar multifidus muscles, whereas in the stretching group (ST), exercises focused on stretching the erector spinae, hamstrings, and triceps surae. Severity of pain (visual analog scale and McGill pain questionnaire) and functional disability (Oswestry disability questionnaire) and TrA muscle activation capacity (Pressure Biofeedback Unit, or PBU) were compared as a function of intervention. Interventions lasted 6 weeks, and sessions happened twice a week (30 minutes each). Analysis of variance was used for intergroup and intragroup comparisons.ResultsAs compared with baseline, both treatments were effective in relieving pain and improving disability (P < .001). Those in the SS group had significantly higher gains for all variables. The stretching group did not effectively activate the TrA (P = .94).ConclusionBoth techniques improved pain and reduced disability. In this study, SS was superior to muscular stretching for the measured variables associated with chronic low back pain.Copyright © 2012 National University of Health Sciences. Published by Mosby, Inc. All rights reserved.

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