Research on the motor development of children aged 3–5 based on nonlinear dynamics theory

Ninghao Li, Jiahao Zhao, Bojie Hou, Enru Guo, Zhongqiu Ji and Guiping Jiang

Chaos, Solitons & Fractals, 2025, vol. 201, issue P2

Abstract: The age range of 3–5 years is a critical period for children's motor development. This study examines the dynamic characteristics of lower-limb motor control in 3–5-year-old children using the Lyapunov exponent (LE) and sample entropy (SE), two nonlinear indicators. A total of 102 children(52 boys，50 girls) participated in vertical jump tasks, and 56 children(30 boys，26 girls) participated in walking tasks. The results showed that 4-year-olds exhibited the highest movement complexity and variability, while 5-year-olds displayed the greatest dynamic stability. These findings highlight age four as a critical stage in motor development, offering valuable insights for individualized motor skill training, fall prevention, and applications in developmental psychology and education.

Keywords: AnyBody; Lyapunov exponent; Sample entropy; Children's motor development; Movement stability (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:201:y:2025:i:p2:s0960077925012275

DOI: 10.1016/j.chaos.2025.117214

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