Backward vs. Forward Gait Symmetry Analysis Based on Plantar Pressure Mapping

步态 对称(几何) 前脚 不对称 鞋跟 物理医学与康复 平衡(能力) 步态参数对能量消耗的影响 数学 步态分析 几何学 医学 物理 运动学 解剖 经典力学 量子力学
作者
Anna Daniluk,Anna Hadamus,M. Ludwicki,Bartłomiej Zagrodny
出处
期刊:Symmetry [Multidisciplinary Digital Publishing Institute]
卷期号:14 (2): 203-203 被引量:2
标识
DOI:10.3390/sym14020203
摘要

Symmetry is one of the factors analysed in normal and pathological gaits. Backward gait is an area of interest to scientists, in terms of its physiology and therapeutic possibilities. This study aimed to analyse the symmetry of the pressure parameters of backward gait in comparison to forward gait using different symmetry indices. Eighty-one healthy people aged between 19 and 84 years took part in the study. Foot pressure distribution was analysed during forward and backward gaits at self-selected speeds. Mean and maximum pressure values were calculated after dividing the foot into four or ten areas. Delta, Ratio Index, Robinson Index, Gait Asymmetry, and Symmetry Angle were calculated for each area, separately for both forward and backward gaits. Higher ratios of asymmetry were found during backward than during forward gait. Larger ratios of asymmetry were found within toes II–V, forefoot, metatarsals I, II, and III, medial and lateral heel areas. No significant correlation between symmetry indices and age or BMI was found. Results suggested that the lower symmetry of backward gait is caused by a higher number of corrective movements that allow for the maintenance of body balance and global symmetry of gait. This can be realised by increased cortical control of the backward gait, which was a new movement task for all participants.
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