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 three occasions within one week. Test-retest stability and standardized normative data were obtained for all subjects. RESULTS:No difference was found between test and retest. The limits of agreement revealed that changes in an individual's performance could not be detected. There was a training effect between the first test occasion and the third test occasion. Normative data are presented. CONCLUSION:A new test was developed for recording the kinematics of the handheld haptic stylus in a virtual environment. The normative data will be used for purposes of comparison in future assessments, such as before and after training of persons with neurological deficits.
journal_name
J Neuroeng Rehabiljournal_title
Journal of neuroengineering and rehabilitationauthors
Broeren J,Sunnerhagen KS,Rydmark Mdoi
10.1186/1743-0003-4-13subject
Has Abstractpub_date
2007-05-09 00:00:00pages
13issn
1743-0003pii
1743-0003-4-13journal_volume
4pub_type
杂志文章abstract：BACKGROUND:Assessing arm and hand sensorimotor impairments that are functionally relevant is essential to optimize the impact of neurorehabilitation interventions. Technology-aided assessments should provide a sensitive and objective characterization of upper limb impairments, but often provide arm weight support and n...
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journal_title：Journal of neuroengineering and rehabilitation
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pub_type： 杂志文章
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pub_type： 临床试验,杂志文章
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