Spine
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A prospective cohort study. ⋯ The significant association between medium level back extension endurance and increased LBP intensity supports the finding of other studies that particularly back extension endurance is an important physical fitness component in preventing LBP and that the subcomponents of physical fitness are related in different ways to LBP.
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Randomized Controlled Trial
Effect of intervertebral disc height on postoperative motion and outcomes after ProDisc-L lumbar disc replacement.
Retrospective study of patients enrolled in prospective randomized Food and Drug Administration trial. ⋯ Patients with greater disc collapse benefit more in ROM from a total disc replacement. The optimal range to maximize ROM for postoperative anterior disc height is 16 mm to 18 mm. This optimal range did not translate into better clinical outcome at 2 years follow-up.
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A prospective cohort study in adolescents. ⋯ Regular smoking in adolescence was associated with LBP in young adults. Pack-years of smoking showed an exposure-response relationship among girls.
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A cross-sectional survey among health professionals working in a Kuwait hospital. ⋯ No causal relationships can be inferred using these cross-sectional data. However, results suggest that direct patient contact that includes lifting and/or transferring patients may be an important risk factor. Further research is warranted to evaluate effectiveness of back education and prevention programs among hospital staff in Kuwait.
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A retrospective study. ⋯ The impact of ASD on clinical outcome after fusion showed a significant correlation, especially with the ASD after multiple-segments fusion. Careful attention is needed in multiple-segments fusion such as degenerative lumbar deformity.