Document Detail

Visually-controlled leg movements embedded in a walking task.
MedLine Citation:
PMID:  7729399     Owner:  NLM     Status:  MEDLINE    
Accurate control of alternating leg movements in walking was considered as a visually controlled target aiming task. Nine subjects aimed alternate feet at targets along a walkway, using nine combinations of amplitude and target width giving index of difficulty values between 2.59 and 6.16. Movement time was compared to the same subjects performing reciprocal tapping tasks with arm and leg. Alternating target aiming tasks were the most rapid of all tasks studied. Explanations of this effect in terms of learning and elimination of direction changes were consistent with the data from all conditions. Visual control can be expected in normal walking only for target sizes smaller than about 300 mm, i.e., under unusual accuracy requirements.
C G Drury; S M Woolley
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ergonomics     Volume:  38     ISSN:  0014-0139     ISO Abbreviation:  Ergonomics     Publication Date:  1995 Apr 
Date Detail:
Created Date:  1995-06-01     Completed Date:  1995-06-01     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0373220     Medline TA:  Ergonomics     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  714-22     Citation Subset:  IM; S    
Department of Industrial Engineering, State University of New York, Buffalo 14260.
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MeSH Terms
Postural Balance*
Reaction Time

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