Sławomir Pasko, Marek Sutkowski and Beata Zuk
The purpose of this study is to evaluate mutual influence of selected postural parameters onto movement of the line of the human body gravity point with use of noncontact optical tool (photogrammetry based). This study constitutes a part of the wider observational cross-sectional study of body posture of healthy people. A specially designed measurement set-up was developed to determine the 3D location of selected characteristic points of the human body. The photogrammetry tool was applied to calculate (x, y, z) coordinates of the points marked on the examined body, e.g., processus mastoideus and angulus superior scapulae. With these assumptions postural parameters in the sagittal and coronal planes can be determined, respectively. The 3D coordinates were used to evaluate the correlation between position of the examined body points and movement of the line of the examined’ body gravity point. It can be seen that it is impossible to determine the correlation of the absolute values of the angles of rotation as simple subject to analysis. To demonstrate the interdependence, it is necessary to take into account the sign of the angle of rotation. In the presented study, this factor can be analyzed. Obtained results suggest the usefulness of presented system in physiotherapy of body posture.
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