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Author Liebermann, D.G.; Berman, S.; Weingarden H.; Levin, M.F.; Weiss, P.L. doi  openurl
  Title Kinematic features of arm and trunk movements in stroke patients and age-matched healthy controls during reaching in virtual and physical environments Type (down) Conference Article
  Year 2009 Publication Virtual Rehabilitation International Conference Abbreviated Journal  
  Volume Issue Pages 179-184  
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  Abstract Motor performance of stroke patients and healthy individuals was compared in terms of selected kinematic features of arm and trunk movements while subjects reached for visual targets in virtual (VR) and physical (PH) environments. In PH, the targets were placed at an extended arm distance, while in VR comparably placed virtual targets were presented via GestureTek's IREX system. Our goal was to obtain further insights into research methods related to VR-based rehabilitation. Eight right-hemiparetic stroke patients (age =46-87 years) and 8 healthy adults (age =51-73 years) completed 84 reaching movements in VR and PH environments while seated. The results showed that arm and trunk movements differed in the two environments in patients and to a lesser extent in healthy individuals. Arm motion of patients became jerkier in VR, with larger paths and longer movement durations, and presented greater arm torsion (i.e., larger elbow rotations around the hand-shoulder axis). Interestingly, patients also showed a significant reduction of compensatory trunk movements during VR reaching. The findings indicate that when targets were perceived to be beyond hand reach, stroke patients may be less able to estimate 3D virtual target locations obtained from the 2D TV planar displays. This was not the case for healthy participants.  
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  Call Number Serial 52  
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Author Flash, T.; Richardson, M. E.; Handzel, A. A.; Liebermann, D. G. openurl 
  Title Computational Models and Geometric Approaches in Arm Trajectory Control Studies Type (down) Book Chapter
  Year 2003 Publication Progress in Motor Control III: From Basic Science to Applications Abbreviated Journal  
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  Publisher Human Kinetics Place of Publication Champaign, Il Editor M. L. Latash; M. F. Levin  
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  Call Number Serial 44  
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Author Liebermann, D.G.; Franks, I. M. openurl 
  Title The use of feedback-based technologies in skill acquisition Type (down) Book Chapter
  Year 2004 Publication Notational analysis of Sport and Coaching Science Abbreviated Journal  
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  Publisher E & FN Spon Pub Place of Publication Editor M. Hughes; I.M. Franks  
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  Call Number Serial 45  
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Author Carmeli E.; Liebermann, D.G. openurl 
  Title The Function of the Aging Hand Type (down) Book Chapter
  Year 2007 Publication The Geriatric Rehabilitation Manual Abbreviated Journal  
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  Publisher Elsevier Place of Publication NY Editor T. L. Kauffman; M. Moran; J. Barr  
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  Call Number Serial 46  
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Author Liebermann, D.G openurl 
  Title Biomechanical aspects of motor control in human landing Type (down) Book Chapter
  Year 2008 Publication Routledge Handbook of Biomechanics and Human Movement Science Abbreviated Journal  
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  Publisher Routledge Ltd Place of Publication Editor R. Bartlett; Y. Hong  
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  Notes Approved no  
  Call Number Serial 47  
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