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Updated: Jan 12, 2026

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Influence of Step-Width Manipulation on Running Biomechanics
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在确定首选与最佳速度方面,形态影响和精力行走灵活性:对儿童和青少年的进化人类生态学的观点
Guillermo Zorrilla-Revilla1,2, Olalla Prado-Nóvoa3,4, Kevin P Davy4
1Laboratorio de Evolución Humana, Universidad de Burgos, Burgos, Spain.
American journal of biological anthropology
|November 7, 2025
概括
最佳 (OLS) 和首选 (PLS) 步行速度在儿童和青少年中显著不同,与成年人不同. 更大的步行灵活性允许舒适的速度远离OLS,而无需能源成本.
科学领域:
- 人类的机动运动.
- 生物力学 生物力学
- 能源支出 能源支出
背景情况:
- 运动对于生存至关重要.
- 首选 (PLS) 和最佳 (OLS) 步行速度可能有所不同,这会影响节能.
- 这种差异在儿科患者群体中并未得到充分理解.
研究的目的:
- 为了确定OLS和PLS在儿童和青少年中是否一致.
- 调查人类学对OLS,PLS及其差异的影响.
主要方法:
- 28名参与者 (8-17岁) 的人类测量表征.
- 跑步机测试通过能源支出来确定OLS,通过自我选择来确定PLS.
- 计算OLS和PLS之间的平均差异 (MD).
主要成果:
- 在人类测量或速度变量方面没有显著的性别差异.
- 在OLS (3.05±0.13) 和PLS (2.46±0.51) 之间存在显著差异 (p<0.0001).
- 股骨的长度,双宽度和行走灵活性 (χ2 CoT) 影响了OLS,PLS和MD.
结论:
- OLS和PLS在儿童和青少年中是不可互换的.
- 更高的步行灵活性允许更大的偏离OLS,而不会受到能量惩罚.
- 某些人体特征可能提供生物力学优势,但会降低行走灵活性.
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