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A New Application of Smart Walker for Quantitative Analysis of Human Walking

  • Ting  WangEmail author
  • Claire Dune
  • Jean-Pierre Merlet
  • Philippe Gorce
  • Guillaume  Sacco
  • Philippe Robert
  • Jean-Michel Turpin
  • Bernard Teboul
  • Audrey Marteu
  • Olivier Guerin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8927)

Abstract

This paper presents a new nonintrusive device for everyday gait analysis and health monitoring. The system is a standard rollator equipped with encoders and inertial sensors. The assisted walking of \(25\) healthy elderly and \(23\) young adults are compared to develop walking quality index. The subjects were asked to walk on a straight trajectory and an L-shaped trajectory respectively. The walking trajectory, which is missing in other gait analysis methods, is calculated based on the encoder data. The obtained trajectory and steps are compared with the results of a motion capture system. The gait analysis results show that new index obtained by using the walker measurements, and not available otherwise, are very discriminating, e.g., the elderly have larger lateral motion and maneuver area, smaller angular velocity during turning, their walking accuracy is lower and turning ability is weaker although they have almost the same walking velocity as the young people.

Keywords

Smart walker Gait analysis Step detection Turning Elderly 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Ting  Wang
    • 1
    Email author
  • Claire Dune
    • 1
    • 2
  • Jean-Pierre Merlet
    • 1
  • Philippe Gorce
    • 2
  • Guillaume  Sacco
    • 3
  • Philippe Robert
    • 3
  • Jean-Michel Turpin
    • 3
  • Bernard Teboul
    • 3
  • Audrey Marteu
    • 3
  • Olivier Guerin
    • 3
  1. 1.HephaistosINRIA Sophia AntipolisValbonneFrance
  2. 2.HandiBio EA 4322Université de ToulonLa GardeFrance
  3. 3.CHU de NiceNiceFrance

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