New method for the kinematic analysis of joints

Bruce Elliot Hirsch; Jayaram K. Udupa; Kieran T. Mahan; Gary R. Bauer; Howard J. Hillstrom; J. Bruce Kneeland M.D.

doi:10.1117/12.274062

9 May 1997 New method for the kinematic analysis of joints

Bruce Elliot Hirsch, Jayaram K. Udupa, Kieran T. Mahan, Gary R. Bauer, Howard J. Hillstrom, J. Bruce Kneeland M.D.

Author Affiliations +

Proceedings Volume 3033, Medical Imaging 1997: Physiology and Function from Multidimensional Images; (1997) https://doi.org/10.1117/12.274062
Event: Medical Imaging 1997, 1997, Newport Beach, CA, United States

Abstract

It is very difficult to study the biomechanics of individuals tarsal joints in living people because the usual method for in vivo analysis, tracking skin markers related to deeper joints, works poorly in this region. Other available methods for analyzing individual joints are too invasive for practical use. We have developed a method which utilizes 3D reconstructions of bones from magnetic resonance image data. The foot is moved in a controlled manner in a jig which mimics normal pronation and supination, with data gathered at 10 degree intervals across the range of motion. At each position of the foot a 3D reconstruction of each bone is made, and the motions which occur as the bone goes from one position of the foot to the next are determined. From this information, animations are created and the position data are analyzed. We have studied twenty clinically normal individuals, plus several people being treated for various pathologies. Kinematic information on the peritalar joints include such factors as the nature of their rotations and the relative amount of pronation- supination occurring at the subtalar and transverse tarsal joints.

Citation Download Citation

Bruce Elliot Hirsch, Jayaram K. Udupa, Kieran T. Mahan, Gary R. Bauer, Howard J. Hillstrom, and J. Bruce Kneeland M.D. "New method for the kinematic analysis of joints", Proc. SPIE 3033, Medical Imaging 1997: Physiology and Function from Multidimensional Images, (9 May 1997); https://doi.org/10.1117/12.274062

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KEYWORDS

Bone

Kinematics

Image segmentation

3D image processing

Magnetic resonance imaging

3D modeling

Surgery

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