Spine
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Randomized Controlled Trial
Effect of core stability exercises on feed-forward activation of deep abdominal muscles in chronic low back pain: a randomized controlled trial.
A randomized controlled trial. ⋯ Abdominal muscle onset was largely unaffected by 8 weeks of exercises in chronic LBP patients. There was no association between change in onset and LBP. Large individual variations in activation pattern of the deep abdominal muscles may justify exploration of differential effects in subgroups of LBP.
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Randomized Controlled Trial Multicenter Study
Feasibility of using short message service to collect pain outcomes in a low back pain clinical trial.
Observational study nested within a randomized controlled trial. ⋯ SMS supplemented with phone interviews, but not SMS alone, is a feasible option to collect simple data within a back pain clinical trial setting.