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Does a Crouched Leg Posture Enhance Running Stability and Robustness? by Yvonne Blum; Aleksandra Birn-Jeffery; Monica A. Daley; Andre Seyfarth is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Does a Crouched Leg Posture Enhance Running Stability and Robustness? about?

Humans and birds both walk and run bipedally on compliant legs. However, differences in leg architecture may result in species-specific leg control strategies as indicated by the observed gait patterns. In this work, control strategies for stable running are derived based on a conceptual model and compared with experimental data on running humans and pheasants (Phasianus colchicus). From a model perspective, running with compliant legs can be represented by the planar spring mass model and stabilized by applying swing leg control. Here, linear adaptations of the three leg parameters, leg angle, leg length and leg stiffness during late swing phase are assumed. Experimentally observed kinematic control parameters (leg rotation and leg length change) of human and avian running are compared, and interpreted within the context of this model, with specific focus on stability and robustness characteristics. The results suggest differences in stability characteristics and applied control strategies of human and avian running, which may relate to differences in leg posture (straight leg posture in humans, and crouched leg posture in birds). It has been suggested that crouched leg postures m

Who reads Does a Crouched Leg Posture Enhance Running Stability and Robustness??

Author

Yvonne Blum; Aleksandra Birn-Jeffery; Monica A. Daley; Andre Seyfarth

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0022-5193)

Published

2011

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)