ArticleScientific reports2021
Dynamical determinants enabling two different types of flight in cheetah gallop to enhance speed through spine movement.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 16 citations in OpenAlex.
- Forward and backward control of an ultrafast millimeter-scale microrobot via vibration mode transition.Science advances · 2024Article
- Bio-Mimic, Fast-Moving, and Flippable Soft Piezoelectric Robots.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Center of Mass Offset Enhances the Selection of Transverse Gallop in High-Speed Running by Horses: A Modeling Study.Frontiers in bioengineering and biotechnology · 2022Article
- Three Characteristics of Cheetah Galloping Improve Running Performance Through Spinal Movement: A Modeling Study.Frontiers in bioengineering and biotechnology · 2022Article
- Generation of Direct-, Retrograde-, and Source-Wave Gaits in Multi-Legged Locomotion in a Decentralized Manner via Embodied Sensorimotor Interaction.Frontiers in neural circuits · 2021Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cheetahs use a galloping gait in their fastest speed range. It has been reported that cheetahs achieve high-speed galloping by performing two types of flight through spine movement (gathered and extended). However, the dynamic factors that enable cheetahs to incorporate two types of flight while galloping remain unclear. To elucidate this issue from a dynamical viewpoint, we developed a simple analytical model. We derived possible periodic solutions with two different flight types (like cheetah galloping), and others with only one flight type (unlike cheetah galloping). The periodic solutions provided two criteria to determine the flight type, related to the position and magnitude of ground reaction forces entering the body. The periodic solutions and criteria were verified using measured cheetah data, and provided a dynamical mechanism by which galloping with two flight types enhances speed. These findings extend current understanding of the dynamical mechanisms underlying high-speed locomotion in cheetahs.
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