Measurement Of Kyphosis Using Moire Topography

Burkhard Drerup

doi:10.1117/12.966006

12 July 1983 Measurement Of Kyphosis Using Moire Topography

Burkhard Drerup

Author Affiliations +

Proceedings Volume 0361, Biostereometrics '82; (1983) https://doi.org/10.1117/12.966006
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

Contour line patterns, as they are produced by moire topography are dependent on position, posture and body shape of the patient. For all medical applications data are needed, which are only dependent on shape and posture and which therefore are independent of positioning. The measurement of the kyphotic angle from topograms can be performed to meet these requirements and to yield results, which are independent of positioning. Different techniques for measuring this angle are discussed. Digitization and reconstruction of profiles from moire topograms are presented. In order to get reproducible results, landmarks are needed on the body surface. Landmarks may be found either by palpation or by analytical investigation of the back shape. Here, the inflectional points of the sagittal back profile are taken as intrinsic landmarks. Their relation to anatomical landmarks, which are found e.g. by palpation, is studied.

Citation Download Citation

Burkhard Drerup "Measurement Of Kyphosis Using Moire Topography", Proc. SPIE 0361, Biostereometrics '82, (12 July 1983); https://doi.org/10.1117/12.966006

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