The golden ratio of gait harmony: repetitive proportions of repetitive gait phases.
The golden ratio of gait harmony: repetitive proportions of repetitive gait phases.
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DOI：
10.1155/2013/918642
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发表时间：
2013
影响因子：
--
通讯作者：
Peppe A
中科院分区：
文献类型：
--
作者：
Iosa M;Fusco A;Marchetti F;Morone G;Caltagirone C;Paolucci S;Peppe A
在自然界中，许多物理和生物系统都具有表现出调和特性的结构。其中一些被发现与被称为黄金分割率的无理数 相关，黄金分割率具有重要的对称和调和特性。在这项研究中，使用立体摄影测量系统对 25 名健康受试者的时空步态参数进行了分析，并在他们的皮肤上放置了 25 个逆反射标记。将步态阶段的比例与 进行比较，其值约为 1.6180。整个步态周期与站立期的比值为1.620±0.058，站立期与摆动期的比值为1.629±0.173，摆动期与双支撑期的比值为1.684±0.357。所有这些比率彼此之间（F = 0.870，P = 0.422，重复测量方差分析）或与 phi（P = 0.670，0.820，0.422，分别，t 检验）没有显着差异。生理步行的重复步态阶段依次以彼此重复的比例被发现，揭示了内在的和谐结构。和谐可能是促进控制重复行走的关键。和谐是看似不同的自然领域（包括人类步态）之间的强大统一因素。
In nature, many physical and biological systems have structures showing harmonic properties. Some of them were found related to the irrational number ϕ known as the golden ratio that has important symmetric and harmonic properties. In this study, the spatiotemporal gait parameters of 25 healthy subjects were analyzed using a stereophotogrammetric system with 25 retroreflective markers located on their skin. The proportions of gait phases were compared with ϕ, the value of which is about 1.6180. The ratio between the entire gait cycle and stance phase resulted in 1.620 ± 0.058, that between stance and the swing phase was 1.629 ± 0.173, and that between swing and the double support phase was 1.684 ± 0.357. All these ratios did not differ significantly from each other (F = 0.870, P = 0.422, repeated measure analysis of variance) or from ϕ (P = 0.670, 0.820, 0.422, resp., t-tests). The repetitive gait phases of physiological walking were found in turn in repetitive proportions with each other, revealing an intrinsic harmonic structure. Harmony could be the key for facilitating the control of repetitive walking. Harmony is a powerful unifying factor between seemingly disparate fields of nature, including human gait.
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