Gait retraining to reduce the knee adduction moment through real-time visual feedback of dynamic knee alignment.
Gait retraining to reduce the knee adduction moment through real-time visual feedback of dynamic knee alignment.
复制标题
DOI：
10.1016/j.jbiomech.2010.03.040
复制
发表时间：
2010-08-10
影响因子：
2.4
通讯作者：
Davis, Irene S.
中科院分区：
文献类型：
--
作者：
Barrios, Joaquin A.;Crossley, Kay M.;Davis, Irene S.
膝关节内翻对线是内侧膝关节骨关节炎的一个危险因素，与膝关节内收力矩高有关。因此，减少膝关节健康的内翻患者的膝关节内收力矩可能会降低他们患骨关节炎的风险。改善动态膝关节对线的步态修改可以减少内收力矩，并且系统训练可以导致更自然的感觉和更不费力地执行该模式。为了验证这些假设，8名健康的内翻患者接受了步态调整方案。动态膝关节对线的实时反馈提供了超过八个训练课程，使用一个衰落的范例。在训练后和1个月后评估自然步态和改良步态，并与训练前的自然步态进行比较。评价膝关节内收力矩、髋关节内收、髋关节内旋和膝关节内收角度。在每一次训练中，受试者都要对修改后的模式执行起来的努力程度和自然感觉进行评分。训练后，改良模式显示髋内旋增加8°，髋内收增加3°。膝关节内收减少2°，膝关节内收力矩减少19%。三次访视之间的自然步态没有差异，训练后和1个月访视之间的改良步态模式也没有差异。修改后的模式感觉更自然，训练后需要更少的努力。基于这些结果，步态再训练，以改善动态膝关节对线导致显着减少膝关节内收力矩，主要是通过髋关节内旋。此外，系统的训练导致更自然的感觉和更少的步态模式的努力执行。
Varus knee alignment is a risk factor for medial knee osteoarthritis and is associated with high knee adduction moments. Therefore, reducing the knee adduction moment in varus-aligned individuals with otherwise healthy knees may reduce their risk for developing osteoarthritis. A gait modification that improves dynamic knee alignment may reduce the adduction moment, and systematic training may lead to more natural-feeling and less effortful execution of this pattern. To test these hypotheses, eight healthy, varus-aligned individuals underwent a gait modification protocol. Real-time feedback of dynamic knee alignment was provided over eight training sessions, using a fading paradigm. Natural and modified gait were assessed post-training and after 1 month, and compared to pre-training natural gait. The knee adduction moment, as well as hip adduction, hip internal rotation and knee adduction angles were evaluated. At each training session, subjects rated how effortful and natural-feeling the modified pattern was to execute. Post-training, the modified pattern demonstrated an 8° increase in hip internal rotation and 3° increase in hip adduction. Knee adduction decreased 2°, and the knee adduction moment decreased 19%. Natural gait did not differ between the three visits, nor did the modified gait pattern between the post-training and 1 month visits. The modified pattern felt more natural and required less effort after training. Based on these results, gait retraining to improve dynamic knee alignment resulted in significant reductions in the knee adduction moment, primarily though hip internal rotation. Further, systematic training led to more natural-feeling and less effortful execution of the gait pattern.
登录
查看更多内容
影响因子：
2.8
作者：
Andrews, M;Noyes, FR;Andriacchi, TP
通讯作者：
Andriacchi, TP
影响因子：
4
作者：
Teichtahl, A. J.;Morris, M. E.;Cicuttini, Flavia M.
通讯作者：
Cicuttini, Flavia M.
DOI：
10.1016/j.clinbiomech.2009.07.016
发表时间：
2009-12
期刊：
Clinical biomechanics (Bristol, Avon)
影响因子：
--
作者：
Barrios JA;Higginson JS;Royer TD;Davis IS
通讯作者：
Davis IS
影响因子：
2.8
作者：
DEMPSTER, WT;GABEL, WC;FELTS, WJL
通讯作者：
FELTS, WJL
影响因子：
--
作者：
Murphy L;Schwartz TA;Helmick CG;Renner JB;Tudor G;Koch G;Dragomir A;Kalsbeek WD;Luta G;Jordan JM
通讯作者：
Jordan JM