Online. APAS Validation Studies Page Published on Thursday, October 31, 1996 by Gideon Ariel APAS Validation Studies The Measurement of Human Motion: A Comparison of Commercially Available Systems Journal of Medical Systems, Vol. 20, No. 6, 1996Richard D. Eckhouse, M. Ann Penny, and Ruth A. MaulucciA Comparison of Kinematic Recording Instruments By the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation , 1995.Penelope J. Klein, Ed.D., PT, James J. DeHaven, Ph.D. Accuracy of Three-Dimensional Linear and Angular Estimates Obtained With the Ariel Performance Analysis System Lockheed Engineering & Sciences Company Houston, Texas in Video-Based Motion Analysis Utilizing the APAS System - A study by NASAEvaluation of Lens Distortion Errors Lauren Fletcher & Glenn K. Klute Lyndon B. Johnson Space Center Houston, Texas Jeffrey Poliner Lockheed Engineering & Sciences Company Houston, Texas For Video-Based Motion Analysis An Underwater Camera System Evaluation of Lens Distortion Errors Using NONSTANDARD FUNCTIONAL LIMB TRAJECTORIES CONTRACT: NAS 9-1891 5 PROGRAM: SBIR PHASE II STUDY Houston, TX 77058 SD5/Space Biomedical Research Institute, NASA Johnson Space Center Michael C. Greenisen, Ph.D. THE INTERACTION OF THE SPACE SHUTTLE LAUNCH AND ENTRY SUIT AND SUSTAINED WEIGHTLESSNESS ON EGRESS LOCOMOTION Accuracy of the Ariel Performance Analysis System ARIEL VS PEAK Why You Should Select the Ariel Performance Analysis System for Your Movement Quantification Needs Reference: /topics/apasvalidation/apasvalidationstudies.html