Do minimal shoes imitate barefoot running? Lower limbs mechanical energy using component analysis

Document Type : Research Paper

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Abstract

Background & Purpose: Similarities of barefoot and minimalist running received wide attentions in last two decades. The purpose of this study was determination of barefoot and minimalist running by classification of subjects using mechanical energy and PCA method.
Methodology: 99 subjects (47 men and 52 women) ran at 3 and 5 m/s in barefoot, minimalist and regular sport shoe conditions. Mechanical energy of pelvic, thigh, shank and foot calculated in stance phase of running. PCs extracted from PCA that covered 95% variance of original data choose for discriminant analysis. A cross validation technique used to determine the accuracy of classification.
Results: The results of this study showed that accuracy of model in discrimination between barefoot and running with regular shoe was 81.8%. Accuracy of discriminant analysis for barefoot-minimalist and minimalist-running shoe was 46% and 70.7% respectively.
Conclusion: PCA and classification techniques together could be used to determination similarities and differences of different gait conditions. In addition, minimalist running could mimic barefoot running properly.
 
 

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Journal of Applied Exercise Physiology
Volume 13, Issue 25
September 2017
Pages 87-96

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History

  • Receive Date: 21 February 2016
  • Revise Date: 23 September 2017
  • Accept Date: 21 August 2016

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