Biomechanical variables related to walking performance 6-months following post-stroke rehabilitation
Biomechanical variables related to walking performance 6-months following post-stroke rehabilitation
复制标题
DOI：
10.1016/j.clinbiomech.2012.07.006
复制
发表时间：
2012-12-01
影响因子：
1.8
通讯作者：
Neptune, R. R.
中科院分区：
文献类型：
--
作者：
Hall, A. L.;Bowden, M. G.;Neptune, R. R.
背景：体重支持的跑步机训练已被证明在提高中风后偏瘫患者的步行速度方面是有效的，那些表现出改善的人通常在康复完成后保持这些速度。然而，目前还没有已知的生物力学变量与那些在康复后的6个月内继续提高或倒退自己选择的步行速度的人有关。这项研究的目的是找出那些与康复完成后继续(或不继续)提高自己选择的步行速度的受试者相关的生物力学变量。方法：18名偏瘫受试者在完成为期12周的运动训练后，记录了实验运动学和运动学数据，这些受试者在完成为期12周的运动训练后，包括在部分体重支撑和手动辅助下踏上跑步机。皮尔逊相关系数被用来确定哪些生物力学变量与训练后至6个月随访期间自选步行速度的变化有关。结果：大部分受试者在完成康复后，从训练后至随诊期间增加或保持(即不改变)自选步行速度。训练后步长对称性和每日步幅活动与步行速度提高呈正相关。解释：运动控制缺陷导致持续步长不对称和康复结束时每日步幅活动不足与完成训练6个月后的较差结果相关。(C)2012爱思唯尔有限公司。保留所有权利。
Background: Body-weight supported treadmill training has been shown to be effective in improving walking speed in post-stroke hemiparetic subjects, and those that have shown improvements generally maintain them after the completion of rehabilitation. However, currently no biomechanical variables are known to be related to those who will either continue to improve or regress in their self-selected walking speed during the 6-month period following rehabilitation. The objective of this study was to identify those biomechanical variables that are associated with subjects who continue (or did not continue) to improve their self-selected walking speed following the completion of rehabilitation.Methods: Experimental kinematic and kinetic data were recorded from 18 hemiparetic subjects who participated in a 6-month follow-up study after completing a 12-week locomotor training program that included stepping on a treadmill with partial body weight support and manual assistance. Pearson correlation coefficients were used to determine which biomechanical variables evaluated during the post-training session were related to changes in self-selected walking speed from post-training to a 6-month follow-up session.Findings: Following the completion of rehabilitation, the majority of subjects increased or retained (i.e., did not change) their self-selected walking speed from post-training to the follow-up session. Post-training step length symmetry and daily step activity were positively related to walking speed improvements.Interpretation: Motor control deficits that lead to persistent step length asymmetry and low daily step activity at the end of rehabilitation are associated with poorer outcomes six months after completion of the program. (C) 2012 Elsevier Ltd. All rights reserved.