Document Detail

Comparison of protocols for walking and running kinematics based on skin surface markers and rigid clusters of markers.
MedLine Citation:
PMID:  19629927     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to compare the two main types of marker sets for human body representation based on rigid clusters of markers and skin surface markers for measuring kinematics during walking and running. Velocity, body segment, and joint angle were considered in the comparison of both protocols. Six male athletes were studied during treadmill gait at 1.4 and 5.5 m/s and recorded with 8 high speed video cameras. The subjects used simultaneously both protocols in the same walking and running cycles, in order to compare the variability in the determination of the joint centers' positions and the joint angles calculated from each protocol. The three-way ANOVA results showed that the variability of the inter-markers distance in the skin surface protocol was higher than that in the rigid clusters of markers, as reported in the literature. However, no statistical differences between the protocols were found in the variability of the determination of the joint centers' positions. Therefore no advantage was verified to rigid cluster protocols even for the upper body segments. Another conclusion is that increases in velocity produced increases in variability of the joint centers' distances and increases in the maximum differences between the joint angles.
A N Miana; M V Prud??ncio; R M L Barros
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2009-07-23
Journal Detail:
Title:  International journal of sports medicine     Volume:  30     ISSN:  1439-3964     ISO Abbreviation:  Int J Sports Med     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-10-30     Completed Date:  2010-01-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  827-33     Citation Subset:  IM    
Copyright Information:
(c) Georg Thieme Verlag KG Stuttgart . New York.
Campinas State University, Motor Education, Campinas, Brazil.
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MeSH Terms
Analysis of Variance
Exercise Test
Joints / physiology
Models, Biological
Running / physiology*
Walking / physiology*
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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