Phase-Dependent Response during Human Locomotion to Impulsive Perturbation and Its Interpretation Based on Neural Mechanism

Responses of limb movement to external impulsive perturbation during human walking were studied. We measured hip, knee and ankle joint angles and instants of foot contact and lift of both right and left legs from a subject walking on a treadmill. The perturbation was applied at various phases of the...

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Published inJapanese journal of medical electronics and biological engineering Vol. 38; no. 1; pp. 20 - 32
Main Authors KOBAYASHI Makoto, NOMURA Taishin, SATO Shunsuke
Format Journal Article
LanguageJapanese
Published Japanese Society for Medical and Biological Engineering 2000
一般社団法人 日本生体医工学会
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Summary:Responses of limb movement to external impulsive perturbation during human walking were studied. We measured hip, knee and ankle joint angles and instants of foot contact and lift of both right and left legs from a subject walking on a treadmill. The perturbation was applied at various phases of the locomotion cycle. The result was summarized in sequential changes of phase delay functions which represent phase-dependent dynamic responses to the perturbation. Walking rhythm was delayed for perturbations applied at early swing phases, advanced for late swing phases, and not modified for stance phases. Using the data from our study, we then discuss the neural control mechanism of human locomotion.
ISSN:0021-3292
2185-5498
DOI:10.11239/jsmbe1963.38.20