Document Detail

The spanning set indicates that variability during the stance period of running is affected by footwear.
MedLine Citation:
PMID:  12633773     Owner:  NLM     Status:  MEDLINE    
Sensory information the foot receives appears to be related to kinematic variability. Since footwear material densities affect sensory information, footwear may be an important factor that dictates variability. This study hypothesized that modifications in footwear would result in changes in kinematic variability during the running stance period. Subjects ran on a treadmill for three conditions: hard shoe, soft shoe and barefoot. The spanning sets of the mean ensemble curves of the knee and ankle changes for each condition were used to define variability. Variability was significantly larger in the barefoot condition in comparison with the two footwear conditions for both joints. These results suggest that variability can be affected by peripheral sensory information. The spanning set methodology can be utilized to examine changes in variability.
Max J Kurz; Nicholas Stergiou
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Gait & posture     Volume:  17     ISSN:  0966-6362     ISO Abbreviation:  Gait Posture     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-03-13     Completed Date:  2003-06-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9416830     Medline TA:  Gait Posture     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  132-5     Citation Subset:  IM    
HPER Biomechanics Laboratory, University of Nebraska at Omaha, Omaha, NE 68182-0216, USA.
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MeSH Terms
Analysis of Variance
Ankle Joint / physiology*
Cohort Studies
Energy Transfer*
Gait / physiology
Knee Joint / physiology*
Range of Motion, Articular / physiology*
Running / physiology*
Stress, Mechanical

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