A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/11 (2006.01)
Patent
CA 2255094
A method and system to facilitate motion analysis of a first bone or segment with respect to a second bone or segment connected to the first bone or segment by a joint is disclosed. The subject is initially asked to perform a simple initializing movement, such as a repeatable planar movement, and representative of the joint's primary movement pattern, such as flexion. The temporal positional information of markers attached to the first segment and the second segment are analyzed during the initializing movement. From the temporal positional information during the initializing movement, a helical angle and axis, as well as an offset vector, can be determined. Corrective matrices are then generated to align the temporary origin with a corrected origin and local frame of reference based on the helical angle and axis and the offset vector. Analysis of the kinematic movement of the joint with respect to the corrected origin and local frame of reference provides improved analysis of the kinematic data for the joint.
Ball Kevin Arthur
Riches Mckenzie & Herbert Llp
LandOfFree
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