Adaptation to knee flexion torque during gait

James S. Sulzer, Keith E. Gordon, T. George Hornby, Michael A. Peshkin, James L. Patton

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations

Abstract

Studies have shown locomotor adaptation of the ankle to assistive torques, but the ability of the knee to adapt to assistive forces has not yet been explored. Understanding how humans modulate knee joint kinematics during gait could be valuable for designing assistive devices for stroke patients. In this study we examined how healthy subjects adapt to knee flexion torque assistance during gait. We hypothesized that 1) when given assistance subjects would adapt their locomotor patterns to walk with kinematics similar to baseline values and 2) removal of assistance following adaptation would result in substantially reduced knee flexion. Contrary to expectations, data from the five subjects show a weak adaptation and an increase in knee flexion kinematics after forces were removed. These results suggest that neuromuscular control of the knee joint during walking is not strongly modulated by feedforward mechanisms.

Original languageEnglish (US)
Title of host publication2009 IEEE International Conference on Rehabilitation Robotics, ICORR 2009
Pages713-718
Number of pages6
DOIs
StatePublished - 2009
Event2009 IEEE International Conference on Rehabilitation Robotics, ICORR 2009 - Kyoto, Japan
Duration: Jun 23 2009Jun 26 2009

Publication series

Name2009 IEEE International Conference on Rehabilitation Robotics, ICORR 2009

Other

Other2009 IEEE International Conference on Rehabilitation Robotics, ICORR 2009
CountryJapan
CityKyoto
Period6/23/096/26/09

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering

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