Indicators of dynamic stability in transtibial prosthesis users
Indicators of dynamic stability in transtibial prosthesis users
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DOI：
10.1016/j.gaitpost.2010.01.003
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发表时间：
2010-03-01
期刊：
影响因子：
2.4
通讯作者：
Kofman, J.
中科院分区：
文献类型：
--
作者：
Kendell, C.;Lemaire, E. D.;Kofman, J.
考虑到下肢假肢使用者中福尔斯的高发生率，提高对下肢假肢使用者动态稳定性相关因素的理解是很重要的。目前评估稳定性的方法无法充分表征各种行走条件下的动态稳定性。F-Scan移动的已用于收集足底压力数据，提取的六个参数是动态稳定性的有用测量。本研究的目的是调查动态稳定性的个人与单侧经胫骨截肢的基础上，这六个参数。收集足底压力数据时，20名单侧经胫骨截肢的社区步行者走过水平地面、不平地面、楼梯和坡道。对于每个肢体（完整和假肢）和条件，6个稳定性参数相关的足底压力中心扰动和步态时间参数，计算足底压力数据。比较了肢体、行走条件和组（单侧经胫骨假体使用者和健全受试者）之间的参数值。参数的差异被发现之间的肢体和条件，假肢用户和健全的个人。进一步的研究可以调查单侧经胫骨假体使用者的优化参数计算，并确定福尔斯的可能性与动态稳定性测量之间的关系。(C)2010 Elsevier B. V.保留所有权利。
An improved understanding of factors related to dynamic stability in lower-limb prosthesis users is important, given the high occurrence of falls in this population. Current methods of assessing stability are unable to adequately characterize dynamic stability over a variety of walking conditions. F-Scan Mobile has been used to collect plantar pressure data and six extracted parameters were useful measures of dynamic stability. The aim of this study was to investigate dynamic stability in individuals with unilateral transtibial amputation based on these six parameters. Twenty community ambulators with a unilateral transtibial amputation walked over level ground, uneven ground, stairs, and a ramp while plantar pressure data were collected. For each limb (intact and prosthetic) and condition, six stability parameters related to plantar center-of-pressure perturbations and gait temporal parameters, were computed from the plantar pressure data. Parameter values were compared between limbs, walking condition, and groups (unilateral transtibial prosthesis users and able-bodied subjects). Differences in parameters were found between limbs and conditions, and between prosthesis users and able-bodied individuals. Further research could investigate optimizing parameter calculations for unilateral transtibial prosthesis users and define relationships between potential for falls and the dynamic stability measures. (C) 2010 Elsevier B.V. All rights reserved.