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  • Measurement of spinal sagittal curvatures using the laser triangulation method
    Čelan, Dušan ...
    The purpose of the first part of the study was to establish the variability of repeated measurements in different measuring conditions. In the second part, we performed in a large number of patients, ... a measurement of thoracic kyphosis and lumbar lordosis and compared them to age, gender, and level of nourishment. In the first part, measurements were performed on a plastic model of the back of a patient with a rigid and a normal spine. In the second part, 250 patients participated in the study (126 men and 124 women). For measuring spinal curvatures we used an apparatus for laser triangulation constructed at the Faculty of Mechanical Engineering, University of Ljubljana. A comparison of 30 repeated measurements was shown as the average value +/- 2 SD which included 95% of the results. Thirty repeated readings of one 3D measurement: thoracic kyphosis 41.2° +/- 0.6°, lumbar lordosis 4.4° +/- 1.2°; 30 measurements on a plastic model: thoracic kyphosis 36.8° +/- 1.2°, lumbar lordosis 30.9° +/- 2.0°; 30 measurements on a patient with a rigid spine: thoracic kyphosis 41.5° +/- 2.4°, lumbar lordosis 4.0° +/- 1.8°; 30 measurements on a patient with a normal spine: thoracic kyphosis 48.8° +/- 7.4°, lumbar lordosis 21.1° +/- 4.4°. The average size of thoracic kyphosis in 250 patients was 46.8° (SD 10.1°) and lumbar lordosis 31.7° (SD 12.5°). The angle size was statistically significantly correlated to gender (increased thoracic kyphosis and lumbar lordosis in women) and body mass index (increased thoracic kyphosisand lumbar lordosis in more nourished patients). Age was not significantly correlated to the observed angles. During measurements of the spinal angles it was important to pay attention to relaxation and the patient's position as well as to perform more measurements providing the average value. The age and the level of nourishment influence the size of the sagittal spinal angles. In the observed sample the effect of age was not confirmed.
    Source: Collegium antropologicum. - ISSN 0350-6134 (Vol. 36, no. 1, 2012, str. 179-186)
    Type of material - article, component part ; adult, serious
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 4215871

    Link(s):

    http://www.collantropol.hr/_doc/Coll.%20Antropol.%2036%20(2012)%201:%20179%E2%80%93186.pdf

source: Collegium antropologicum. - ISSN 0350-6134 (Vol. 36, no. 1, 2012, str. 179-186)
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