Abstract
Asymmetry of paraspinal muscle tone is incorporated in pathogenesis for spinal deformities having diagnosis information value and it can be hypothesised to be involved in curve aggravation. Objective To evaluate diagnostic information value of EMG envelope algorithm for paraspinal muscles in postural stereotypes of patients with scoliosis grades III and IV. Material and methods Profiles of postural asymmetry (computer optical topography) and bioelectrical tone (EMG envelope algorithm) of paraspinal muscles were reviewed in 115 patients with scoliosis grades III and IV of different etiology using V.D.Chaklin methodology. The patients aged 6 to 32 years with mean age of 16.2 ± 6.14 years). Results The sampling population showed normal symmetrical distribution of profiles in the asymmetry of superficial paraspinal muscle tone with evidently asymmetrical distribution of spinal curve. Surgical elimination of spinal deformity resulting in appropriate correction of postural profiles made no statistically significant impact on orthostatics distributing quantitative and qualitative bioelectrical parameters of paraspinal muscles. No contingency and specific differences were observed in paraspinal muscle tone depending on postural asymmetry and etiology of the curve. Conclusion The hypothesis that asymmetry of superficial paraspinal muscle tone aggravates with the curve progression is not supported. No correlation between profiles of postural and muscle tone asymmetry was observed in patients with scoliosis grades III and IV. Diagnostic information value of EMG envelope algorithm is patient-specific and be identified in the postural systems that cannot support motor stereotypes using motor programmes without additional compensation muscle activity due to particular circumstances.
Highlights
Если в патогенезе деформаций позвоночника асимметрии тонуса паравертебральных мышц являются непременным условием и имеют диагностическую ценность, то правомерно предположить, что у пациентов с нарастанием степени деформации асимметрии мышечного тонуса должны усиливаться
Asymmetry of paraspinal muscle tone is incorporated in pathogenesis for spinal deformities having diagnosis information value and it can be hypothesised to be involved in curve aggravation
Material and methods Profiles of postural asymmetry and bioelectrical tone (EMG envelope algorithm) of paraspinal muscles were reviewed in 115 patients with scoliosis grades III and IV of different etiology using V.D.Chaklin methodology
Summary
To evaluate diagnostic information value of EMG envelope algorithm for paraspinal muscles in postural stereotypes of patients with scoliosis grades III and IV. Material and methods Profiles of postural asymmetry (computer optical topography) and bioelectrical tone (EMG envelope algorithm) of paraspinal muscles were reviewed in 115 patients with scoliosis grades III and IV of different etiology using V.D.Chaklin methodology. Results The sampling population showed normal symmetrical distribution of profiles in the asymmetry of superficial paraspinal muscle tone with asymmetrical distribution of spinal curve. Surgical elimination of spinal deformity resulting in appropriate correction of postural profiles made no statistically significant impact on orthostatics distributing quantitative and qualitative bioelectrical parameters of paraspinal muscles. No contingency and specific differences were observed in paraspinal muscle tone depending on postural asymmetry and etiology of the curve
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