Spine
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Cross-sectional cohort study of a general population. ⋯ In children, degenerative disc findings are relatively common, and some are associated with LBP. There appears to be a gender difference. Disc protrusions, endplate changes, and anterolisthesis in the lumbar spine were strongly associated with seeking care for LBP.
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A systematic review. ⋯ It is impossible to define a generic set of predictors of outcome of multidisciplinary rehabilitation and back schools for patients with chronic low back pain because the reviewed studies were descriptive or exploratory in nature, and most predictors were only studied once. Nevertheless, for several predictors, consistent evidence was found. Large confirmatory studies are needed to test the value of these predictors.
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Randomized Controlled Trial
A randomized clinical trial comparing two physiotherapy interventions for chronic low back pain.
A randomized clinical trial with blinded assessment. ⋯ Both forms of intervention were associated with significant improvement. On-going clinical research is necessary to provide guidance as to the clinical efficacy of various forms of intervention.
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Randomized Controlled Trial
Looking away from whiplash: effect of head rotation in rear impacts.
Twenty healthy volunteers in a laboratory were subjected to rear-end impacts 4.4, 7.9, 10.9, and 13.1 m/s acceleration, with head rotation to the right and left. ⋯ If the head is rotated out of neutral posture at the time of rear impact, the injury risk tends to be greater for the sternocleidomastoid muscle contralateral to the side of rotation. Measures to prevent whiplash injury may have to account for the asymmetric response because many victims of whiplash are expected to be looking to the left or right at the time of collision.
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Comparative Study
Standardized provocation of lumbar spine mobility: three methods compared by radiostereometric analysis.
By radiostereometric analysis (RSA), the intervertebral mobility was measured for the 3 most distal lumbar disc levels in 12 patients at 3 types of standardized provocation: changing body position from supine to standing, supine to standing with load, and supine to sitting. ⋯ The intervertebral mobility response provided in the lumbar spine when changing position from supine to sitting is more pronounced than both to standing and to standing with a 20 kg load. By the supine to sitting provocation, mean lumbar mobility is increased, and mobility can be revealed in some cases being stable in the other 2 situations. Combined with RSA, the method brings a refined possibility for studying lumbar spine kinematics.