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The diagnosis and treatment of many orthopaedic and neurological disorders can benefit from movement analysis of the upper extremities by facilitating an objective and quantitative assessment of the compensatory movement strategies of patients. In this paper, a procedure for upper extremity movement analysis is introduced, which allows the simultaneous measurement of movement in all anatomical axes...
A protocol is proposed to obtain the joint angles of wrist and elbow from tracked triads of surface markers on each limb segment. Cuffs placed on the limb support the rigidity of the triads. Additional markers are used to mark the approximate positions of joints. Corrections of surface marker data for skin motion are derived from a priori knowledge about plausible joint motions. In addition, ill-conditioned...
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