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Validation of marker-based X-ray measurements of joint kinematics
Umeå University, Faculty of Science and Technology, Department of Computing Science. (Massachusetts General Hospital, Boston, MA, Orthopaedic Biomechanics and Biomaterials Laboratory)ORCID iD: 0000-0002-7657-6917
University of Western Australia. (Perth Orthopaedic Institute)
Massachusetts General Hospital, Boston, MA. (Orthopaedic Biomechanics and Biomaterials Laboratory)
2006 (English)In: Proceedings SSBA 2006: symposium on image analysis / [ed] Fredrik Georgsson, Niclas Börlin, Umeå: Umeå University, Department of Computing Science, Umeå University , 2006, 113-116 p.Conference paper (Other academic)
Abstract [en]

Radiostereometric Analysis (RSA) is an established method for measuring the motion of the skeleton. However, in order to measure dynamic joint kinematics, RSA requires expensive, custom-built hardware. Furthermore, the working volume is restricted to the region around where the beams intersect.

The Single-plane RSA Flouroscopy (SPRSAF) has the potential to overcome these limitations. This paper is the first validation of SPRSAF versus RSA on images with clinical image quality.

The results say that SPRSAF has a rotational error of (1.3,2.9, 11.6) degrees for rotation about the three primary axes. The corresponding translation results are (8.5, 1.0, 1.5) mm. This indicates that SPRSAF has the precision needed to be clinically useful in at least four of the six degrees of freedom.

Place, publisher, year, edition, pages
Umeå: Umeå University, Department of Computing Science, Umeå University , 2006. 113-116 p.
Report / UMINF, ISSN 0348-0542 ; 11
Research subject
Computer Science; Computerized Image Analysis; Orthopaedics
URN: urn:nbn:se:umu:diva-40135OAI: diva2:397955
Proceedings SSBA 2006 : Symposium on Image Analysis, Umeå, March 16-17, 2006
Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2014-06-11Bibliographically approved

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