Spine
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Comparative Study
An MRI investigation into the function of the transversus abdominis muscle during "drawing-in" of the abdominal wall.
An operator blinded dual modality trial of measurement of the abdominal muscles during "drawing-in" of the abdominal wall. ⋯ The MRI results demonstrated that during a drawing-in action, the transversus abdominis contracts bilaterally to form a musculofascial band that appears to tighten (like a corset) and most likely improves the stabilization of the lumbopelvic region. Real-time ultrasound imaging can also be used to measure changes in the transversus abdominis during the draw-in maneuver.
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Comparative Study
Fear of movement/(re)injury predicting chronic disabling low back pain: a prospective inception cohort study.
Prospective inception cohort study. ⋯ The results suggest that interventions aimed at reducing pain-related fear in the acute stage of LBP might prevent restrictions of activity and participation because of pain, and might be a way of preventing the transition from acute to chronic LBP.
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Interobserver and intraobserver reliability study of improved method to evaluate radiographs of patients with scoliosis. ⋯ Variability of Cobb measurements compares favorably with previously published series. The classification was more reliable than achieved by unassisted observers evaluating the same radiographs. The same principles may be applicable to other radiographic measurement and evaluation procedures.
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Comparative Study
Effects of pelvic asymmetry and low back pain on trunk kinematics during sitting: a comparison with standing.
A prospective study was conducted on a group of patients with unilateral nonspecific low back pain (LBP) and healthy controls. ⋯ This study shows a link between pelvic asymmetry and altered trunk motion in sitting position. We suggest that people with LBP may have a distinct compensatory mechanism, secondary to pelvic asymmetry, which puts the lumbar spine under higher stress. Movement asymmetry, rather than range of motion, may be a better indicator of disturbed function for people with LBP. Structural and functional asymmetries are factors that may be considered in the seating design and work environment.
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Psychometric testing of translated, culturally adapted questionnaire. ⋯ The EABPS-G is a valid, reliable, and responsive questionnaire for assessing health status and disability influenced by pain in one or more area of the spine and allows intercultural comparisons with the original English version. It could be used for assessment of current state as well as measurement for change.