Posture And Low Back Pain During Pregnancy — 3D Study

by MASS4D® Prescription Orthotics May 15, 2018

This study aimed to assess spinal curvatures and static postural characteristics with three-dimensional surface topography and to connect this to the occurrence of back pain complaints among pregnant women.

Sixty-five women at 4 to 39 weeks of pregnancy were examined and surveyed with Oswestry Disability Index; posture was evaluated using surface topography.

The system used in this study consisted of three modules: 3D measurement system, centralised database, and data analysis software on the client side.

During the body surface evaluation process, the subject stood still inside a calibrated measurement volume while a series of images was projected onto his or her body surface.

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The shape of the back of the trunk surface was calculated based on the deformation of the raster.

The client software was used to mark relevant anatomical landmarks on the back surface: C7 spinous processus, left and right shoulders, left and right axillae, left and right scapulae, left and right waist triangles, left and right posterior superior iliac spines, top of intergluteal furrow and thoracic kyphosis to lumbar lordosis transition point.

Based on the position of these landmarks, the automatic calculation was performed to obtain well-known and commonly used parameters for back surface evaluation.

The findings of this study established that lordosis and kyphosis angles increased insignificantly with the advancement of gestation.

The authors noticed a bit more intense pain in patients with more pronounced postural changes, but the difference was not statistically significant.

Difficulties in sitting and standing were confirmed to be significant in the third trimester of pregnancy.

The overall tendency for significant lumbar curvature changes in pregnant women was not confirmed.

The methodology used in the group of analysed cases could not confirm significant changes in sagittal trunk inclination in relation to the plumb line.

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References:

1. Glinkowski, W. M., Tomasik, P., Walesiak, K., Gluszak, M., Krawczak, K., Michoński, J., Czyżewska, A., Żukowska, A., Sitnik, R., Wielgoś, M. (2016) Posture And Low Back Pain During Pregnancy — 3D Study. Ginekologia Polska: 2016, Vol. 87, No. 8, pp. 575-580. DOI: 10.5603/GP.2016.0047

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