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Author Melzer, I.; Liebermann, D.G.; Krasovsky, T.; Oddsson, L.I.E. url  doi
openurl 
  Title Cognitive load affects lower limb force-time relations during voluntary rapid stepping in healthy old and young adults Type Journal Article
  Year 2010 Publication The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences Abbreviated Journal J Gerontol A Biol Sci Med Sci  
  Volume 65 Issue 4 Pages 400-406  
  Keywords *Accidental Falls; Adult; Aged; Aged, 80 and over; Aging/*physiology; Attention/physiology; Cognition/*physiology; Gait/*physiology; Humans; Postural Balance/*physiology; Reaction Time  
  Abstract BACKGROUND: Quick step execution may prevent falls when balance is lost; adding a concurrent task delays this function. We investigate whether push-off force-time relations during the execution of rapid voluntary stepping is affected by a secondary task in older and young adults. METHODS: Nineteen healthy older adults and 12 young adults performed rapid voluntary stepping under single- and dual-task conditions. Peak power, peak force, and time to peak force during preparatory and swing phases of stepping were extracted from center of pressure and ground reaction force data. RESULTS: For dual-task condition compared with single-task condition, older adults show a longer time to reach peak force during the preparation and swing phases compared with young adults (approximately 25% vs approximately 10%, respectively). Peak power and peak force were not affected by a concurrent attention-demanding task. CONCLUSION: Older adults have difficulty allocating sufficient attention for fast muscle recruitment when concurrently challenged by an attention-demanding task.  
  Address Department of Physical Therapy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1079-5006 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:19939911 Approved no  
  Call Number Serial (down) 50  
Permanent link to this record
 

 
Author Liebermann, D.G.; Buchman, A.S.; Franks, I.M. url  doi
openurl 
  Title Enhancement of motor rehabilitation through the use of information technologies Type Journal Article
  Year 2006 Publication Clinical Biomechanics (Bristol, Avon) Abbreviated Journal Clin Biomech (Bristol, Avon)  
  Volume 21 Issue 1 Pages 8-20  
  Keywords Biotechnology/*methods; Humans; Medical Informatics/*methods; Motion Therapy, Continuous Passive/*methods; Movement Disorders/*rehabilitation; Musculoskeletal Manipulations/methods; Rehabilitation/*methods; Robotics/*methods; Therapy, Computer-Assisted/*methods  
  Abstract The recent development of information technologies has dramatically increased the tools available for facilitating motor rehabilitation. This review focuses on technologies which can be used to augment movement-related information both to patients as well as to their therapists. A brief outline of the motor system emphasizes the role of spinal motor neurons in the control of voluntary movement and rehabilitative efforts. Technologies which induce passive motion to stimulate spinal motor output as well as technologies that stimulate active voluntary movements are discussed. Finally, we review technologies and notational methods that can be used to quantify and assess the quality of movement for evaluating the efficacy of motor rehabilitation efforts. We conclude that stronger evidence is necessary to determine the applicability of the wide range of technologies now available to clinical rehabilitation efforts.  
  Address Department of Physical Therapy, Sackler Faculty of Medicine, University of Tel Aviv, Israel. dlieberm@post.tau.ac.il  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0268-0033 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:16198463 Approved no  
  Call Number Serial (down) 49  
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Author Liebermann, D.G.; Franks I.M. openurl 
  Title Video-feedback and information technologies Type Book Chapter
  Year 2008 Publication Essentials of notational analysis Abbreviated Journal  
  Volume Issue Pages  
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  Publisher E & FN Spon Pub Place of Publication Editor I.M. Franks; M. Hughes  
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  Notes Approved no  
  Call Number Serial (down) 48  
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Author Liebermann, D.G openurl 
  Title Biomechanical aspects of motor control in human landing Type 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 (down) 47  
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Author Carmeli E.; Liebermann, D.G. openurl 
  Title The Function of the Aging Hand Type Book Chapter
  Year 2007 Publication The Geriatric Rehabilitation Manual Abbreviated Journal  
  Volume Issue Pages  
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  Publisher Elsevier Place of Publication NY Editor T. L. Kauffman; M. Moran; J. Barr  
  Language Summary Language Original Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial (down) 46  
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