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• W2022128315 endingPage "573" @default.
• W2022128315 startingPage "561" @default.
• W2022128315 abstract "The passive dynamics of bipedal limbs alone are sufficient to produce a walking motion, without need for control. Humans augment these dynamics with muscles, actively coordinated to produce stable and economical walking. Present robots using passive dynamics walk much slower, perhaps because they lack elastic muscles that couple the joints. Elastic properties are well known to enhance running gaits, but their effect on walking has yet to be explored. Here we use a computational model of dynamic walking to show that elastic joint coupling can help to coordinate faster walking. In walking powered by trailing leg push-off, the model's speed is normally limited by a swing leg that moves too slowly to avoid stumbling. A uni-articular spring about the knee allows faster but uneconomical walking. A combination of uni-articular hip and knee springs can speed the legs for improved speed and economy, but not without the swing foot scuffing the ground. Bi-articular springs coupling the hips and knees can yield high economy and good ground clearance similar to humans. An important parameter is the knee-to-hip moment arm that greatly affects the existence and stability of gaits, and when selected appropriately can allow for a wide range of speeds. Elastic joint coupling may contribute to the economy and stability of human gait." @default.
• W2022128315 created "2016-06-24" @default.
• W2022128315 creator A5082289152 @default.
• W2022128315 creator A5086150799 @default.
• W2022128315 date "2008-10-28" @default.
• W2022128315 modified "2023-09-23" @default.
• W2022128315 title "Elastic coupling of limb joints enables faster bipedal walking" @default.
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• W2022128315 doi "https://doi.org/10.1098/rsif.2008.0415" @default.
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