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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Longitudinal cohort. ⋯ Patients with lumbar degenerative disorders have health state values similar to patients with chronic renal disease, Crohn's disease, or coronary artery disease. Health state values of patients with different indications for surgery differ at baseline and after surgery. Revision cases have worse baseline SF-6D scores and less improvement in scores at 2 years after surgery than primary cases. Further studies are needed to gain a greater understanding of health state utility values in patients with lumbar degenerative disorders.
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Comparative Study
Diffusion tensor imaging in pediatric spinal cord injury: preliminary examination of reliability and clinical correlation.
The design was a nonexperimental, repeated measures design. ⋯ DTI values had good-to-strong reliability on repeated scans and moderate-to-good concurrent validity with clinical scores. When compared with conventional MRI, DTI values had statistically stronger correlations with the majority of values from the clinical examination.
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Comparative Study
Gender difference in association between low back pain and metabolic syndrome: locomotive syndrome and health outcome in Aizu cohort study (LOHAS).
Cross-sectional survey. OBJECTIVE.: To investigate the relationship between low back pain (LBP) and metabolic syndrome (Mets) in community-based Japanese subjects. SUMMARY OF BACKGROUND DATA.: Relatively few reports have demonstrated a relationship between general pain and Mets, and none have addressed the relationship between LBP and Mets. ⋯ We observed a tendency toward higher prevalence of Mets among those with LBP than among those without it in women, but not in men.
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A retrospective observational study. ⋯ The spinal changes with paravertebral ligament ossification in VDRR were described in this study. Four different gene mutations related to the PHEX gene were detected in them. The presence of these changes was suggestive of a more severe systemic disease.