BackgroundExercise benefits patients with chronic nonspecific low back pain; however, the most effective type of exercise remains unknown.ObjectiveThis study compared outcomes after motor control exercises, sling exercises, and general exercises for low back pain.DesignThis was a randomized controlled trial with a 1-year follow-up.SettingThe study was conducted in a primary care setting in Norway.PatientsThe participants were patients with chronic nonspecific low back pain (n=109).InterventionsThe interventions in this study were low-load motor control exercises, high-load sling exercises, or general exercises, all delivered by experienced physical therapists, once a week for 8 weeks.MeasurementsThe primary outcome measure was pain reported on the Numeric Pain Rating Scale after treatment and at a 1-year follow-up. Secondary outcome measures were self-reported activity limitation (assessed with the Oswestry Disability Index), clinically examined function (assessed with the Fingertip-to-Floor Test), and fear-avoidance beliefs after intervention.ResultsThe postintervention assessment showed no significant differences among groups with respect to pain (overall group difference) or any of the outcome measures. Mean (95% confidence interval) group differences for pain reduction after treatment and after 1 year were 0.3 (−0.7 to 1.3) and 0.4 (−0.7 to 1.4) for motor control exercises versus sling exercises, 0.7 (−0.6 to 2.0) and 0.3 (−0.8 to 1.4) for sling exercises versus general exercises, and 1.0 (−0.1 to 2.0) and 0.7 (−0.3 to 1.7) for motor control exercises versus general exercises.LimitationsThe nature of the interventions made blinding impossible.ConclusionsThis study gave no evidence that 8 treatments with individually instructed motor control exercises or sling exercises were superior to general exercises for chronic low back pain.
TRUNK MUSCLES’ RESPONSE TO CORE STABILITY EXERCISES IN PATIENTS WITH CHRONIC LOW BACK PAIN: A RANDOMIZED CONTROLLED TRIAL