Articles: low-back-pain.
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Current ergonomic techniques for controlling the risk of occupationally-related low back disorder consist of static assessments of spinal loading during lifting activities. This may be problematic because several biomechanical models and epidemiologic studies suggest that the dynamic characteristics of a lift increase spine loading and the risk of occupational low back disorder. It has been difficult to include this motion information in workplace assessments because the speed at which trunk motion becomes dangerous has not been determined. ⋯ The predictive power of this model was found to be more than three times greater than that of current lifting guidelines. This study, though not proving causality, indicates an association between the biomechanical factors and low back disorder risk. This model could be used as a quantitative, objective measure to design the workplace so that the risk of occupationally-related low back disorder is minimized.
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Thirty-six 45-55-year-old men with healthy low backs were studied with respect to body composition, isokinetic and isometric trunk strength, trunk muscle endurance, and cross-sectional area and radiological density of mm erector spinae. Results were compared to those of men in the same age group with intermittent low back pain (LBP) (n = 91) and with chronic LBP (n = 21). The back healthy group was significantly stronger and had longer trunk muscle endurance times than men with chronic LBP. ⋯ There were no significant differences between any of the groups with respect to body composition and cross-sectional area of mm erector spinae. Radiological density for mm erector spinae was significantly decreased in the chronic LBP group compared to the back healthy and intermittent LBP groups. The deconditioning syndrome and its relationship to intermittent and chronic LBP is discussed.
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Clin. Orthop. Relat. Res. · Mar 1993
Use of the pantaloon cast for the selection of fusion candidates in the treatment of chronic low back pain.
Forty-five patients with low back pain (LBP) of longer than six months' duration and for whom all conservative therapies failed were placed in a pantaloon cast for a two- to four-week trial period. Significant pain relief occurred in 31 (69%) of these patients. ⋯ After an average follow-up period of 14 months, 17 (74%) had significant pain relief. The pantaloon cast may be an effective tool for identifying those chronic LBP patients who might benefit from spinal stabilization procedure.
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We wished to determine whether patient satisfaction was related to physicians' confidence in their abilities to effectively manage low back pain, and to examine their attitudes about patients with back pain. The confidence and attitudes of primary care providers were determined using self-administered questionnaires. Patient satisfaction with care was assessed during telephone interviews conducted 3 weeks after a clinic visit for low back pain. ⋯ However, patients of more confident providers were significantly more satisfied with the information they received than were patients of less confident providers. These differences could not be explained by years in practice, length of visit, patient demographics, or the severity and duration of low back pain. These findings suggest that providers who have more confidence in their abilities to effectively manage low back pain may in fact be more effective patient educators.
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A survey of expert orthopedic physical therapists was conducted to assist in the development of a classification system for patients with low back pain (LBP). The goal of the survey was to measure levels of agreement on labels and accompanying constellations of signs and symptoms for subgroups of patients with LBP. ⋯ The importance of developing homogeneous subgroups of patients with LBP based on constellations of reliable clinical findings is emphasized.