Dynamic Measurements of Three-Dimensional Scapular Kinematics: A Validation Study

[+] Author and Article Information
Andrew R. Karduna

Department of Rehabilitation Sciences, MCP Hahnemann University, Philadelphia, PA 19102

Phil W. McClure

Department of Physical Therapy, Beaver College, Glenside, PA 19038

Lori A. Michener

Department of Physical Therapy, Virginia Commonwealth University, Medical College of Virginia, Richmond, VA 32298

Brian Sennett

Department of Orthopaedic Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA 19104

J Biomech Eng 123(2), 184-190 (Dec 01, 2000) (7 pages) doi:10.1115/1.1351892 History: Received November 01, 1998; Revised December 01, 2000
Copyright © 2001 by ASME
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Grahic Jump Location
Schematic drawing of custom designed scapular tracker. The hinge joint on the base allows it to conform to the subject’s scapular spine. The arm can pivot and translate on the base so that the location of the footpad can be adjusted. The footpad can be raised or lowered and rotate on a ball and socket joint.
Grahic Jump Location
Photographs of bone and skin base receiver locations. (A) Tracker method, (B) acromial method.
Grahic Jump Location
Landmarks and coordinate axes for the global, thoracic, scapular, and humeral reference frames
Grahic Jump Location
Comparison of skin and bone based methods during scapular plane elevation. Each data point represents the rms errors of the eight healthy subjects. (A) Posterior tilting, (B) external rotation, (C) upward rotation, (D) upward rotation with a correction factor, (E) clavicular plane, (F) clavicular elevation.




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