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Compliant leg behaviour explains basic dynamics of walking and running

Open access
Geyer, Hartmut, Seyfarth, Andre, Blickhan, Reinhard·2006·Proceedings of the Royal Society B: Biological Sciences

Abstract

The basic mechanics of human locomotion are associated with vaulting over stiff legs in walking and rebounding on compliant legs in running. However, while rebounding legs well explain the stance dynamics of running, stiff legs cannot reproduce that of walking. With a simple bipedal spring–mass model, we show that not stiff but compliant legs are essential to obtain the basic walking mechanics; incorporating the double support as an essential part of the walking motion, the model reproduces the characteristic stance dynamics that result in the observed small vertical oscillation of the body and the observed out-of-phase changes in forward kinetic and gravitational potential energies. Exploring the parameter space of this model, we further show that it not only combines the basic dynamics of walking and running in one mechanical system, but also reveals these gaits to be just two out of the many solutions to legged locomotion offered by compliant leg behaviour and accessed by energy or speed.

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Metadata

Authors
Geyer, H., Seyfarth, A., & Blickhan, R.
Venue
Proceedings of the Royal Society B: Biological Sciences
Published
2006-08-11
Volume
273
Issue
1603
Pages
2861-2867
ISSN
  • 0080-4649 (ISSN-L)
  • 0962-8452
  • 1471-2954
OpenAlex
W2009317155
Cited by
940
References
1
FWCI
13.16
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Compliant leg behaviour explains basic dynamics of walking and running. https://app.cochat.ai/papers/10.1098/rspb.2006.3637
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Geyer, H., Seyfarth, A., & Blickhan, R. (2006). Compliant leg behaviour explains basic dynamics of walking and running. Proceedings of the Royal Society B: Biological Sciences. https://doi.org/10.1098/rspb.2006.3637

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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