Spine
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Comparative Study Guideline
Updated method guidelines for systematic reviews in the cochrane collaboration back review group.
Descriptive method guidelines. ⋯ Systematic reviews need to be conducted as carefully as the trials they report and, to achieve full impact, systematic reviews need to meet high methodologic standards.
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A prospective cohort study was conducted. ⋯ Because work-related physical load was a risk factor for sickness absence less than 2 weeks and severe low back pain was a risk factor for sickness absence both shorter than and longer than 2 weeks, a focus on secondary prevention for scaffolders with severe low back pain is advised.
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The seat and back contact force, pressure distribution, lumbar lordosis, and low back muscle activities associated with a new seat design with adjustable ischial support and backrest were investigated using kinematic, kinetic, electromyographic, and radiographic measurements. ⋯ Sitting with reduced ischial support and fitted backrest to the lower spine altered the contact area, reduced peak pressure under the ischia, reduced muscular activity, maintained total and segmental lumbar lordosis, rotated the sacrum forward, and increased lumbar intervertebral disc heights, which could potentially reduce low back pain.
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Case Reports
Palsy of the C5 nerve root after midsagittal-splitting laminoplasty of the cervical spine.
The imaging characteristics of postoperative C5 nerve root palsy after midsagittal-splitting laminoplasty for cervical myelopathy, including those observed on plain radiography, computed tomography, and magnetic resonance imaging, were analyzed. ⋯ The preliminary data suggest that patients who have OPLL with marked anterior compression on spinal cord at C3 can be at risk for postoperative C5 nerve root palsy after midsagittal-splitting laminoplasty. Also, a postoperative increase in cervical lordosis may be the cause of postoperative nerve root palsy.
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Clinical Trial
Physical impairment index: reliability, validity, and responsiveness in patients with acute low back pain.
Cohort study of patients with acute low back pain undergoing physical therapy. ⋯ The Physical Impairment Index appears to be a reliable and valid measure of physical impairment for patients with acute low back pain and may be useful as an adjunct outcome measure for studies involving these patients. Further research on patients with chronic pain is needed before it can be advocated for outcomes research with this population.