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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: A kinematic analysis of a haptic handheld stylus in a virtual environment: a study in healthy subjects | Journal of NeuroEngineering and Rehabilitation BioMed Central Open Access A kinematic analysis of a haptic handheld stylus in a virtual environment a study in healthy subjects Jurgen Broeren 1 2 Katharina S Sunnerhagen 1 and Martin RydmarM2 Address Rehabilitation medicine Institute of Neuroscience and Physiology The Sahlgrenska Academy at Gõteborg University Guldhedsgatan 19 Gõteborg Sweden and 2Mednet - Medical Informatics Computer Assisted Education Institute of Biomedicine The Sahlgrenska Academy at Gõteborg University Box 420 Gõteborg Sweden Email Jurgen Broeren - jurgen.broeren@mednet.gu.se Katharina S Sunnerhagen - ks.sunnerhagen@neuro.gu.se Martin Rydmark - martin.rydmark@mednet.gu.se Corresponding author fEqual contributors Published 9 May 2007 Received 2 May 2006 Journal of NeuroEngineering and Rehabilitation 2007 4 13 doi 10.1186 1743-0003-4-13 Accepted 9 May 2007 This article is available from http www.jneuroengrehab.cOm content 4 1 13 2007 Broeren et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Virtual Reality provides new options for conducting motor assessment and training within computer-generated 3 dimensional environments. To date very little has been reported about normal performance in virtual environments. The objective of this study was to evaluate the test-retest reliability of a clinical procedure measuring trajectories with a haptic handheld stylus in a virtual environment and to establish normative data in healthy subjects using this haptic device. Methods Fifty-eight normal subjects aged from 20 to 69 performed 3 dimensional hand movements in a virtual environment using a haptic device on .
