A baseline of dynamic muscle function during gait
A baseline of dynamic muscle function during gait
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DOI：
10.1016/j.gaitpost.2005.02.004
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发表时间：
2006-02-01
期刊：
影响因子：
2.4
通讯作者：
Schwartz, MH
中科院分区：
文献类型：
--
作者：
Kimmel, SA;Schwartz, MH
现有的诱导加速度(IA)模型被用来创建动态肌肉功能的综合基线。在本研究中，20名对照受试者被建模为三维链接系统。肌肉结构取自现有的肌肉模型。每个受试者特定的模型都配置了步态数据，然后36个单位的肌肉力量一次一个地应用于每个链接模型。肌力施加后，计算出所有关节、节段和重心(CONI)的加速度。结果显示，大多数单关节肌肉的功能与预期一致，而一些双关节肌肉的功能是矛盾的。这表明，在评估步态中的动态肌肉功能时，既要考虑肌肉的局部影响，也要考虑肌肉的远程影响。结果也与以往的IA研究一致，支持IA分析作为了解动态肌肉功能的一种手段的有效性。(C)2005 Elsevier B.V.保留所有权利。
An existing induced acceleration (IA) model was used to create a comprehensive baseline of dynamic Muscle function. In this study, 20 control subjects were modelled as three-dimensional linkage systems. Muscle architecture was taken from an existing muscle model. Each subject-specific model was configured with gait data and 36 unit muscle forces were then applied one at a time to each linkage model. After muscle force application, all joint, segment, and centre of mass (CONI) accelerations were derived. The results showed that most uni-articular Muscles function as expected while some bi-articular muscles function in a paradoxical manner. This indicates that both the local and remote effects of muscles should be considered when assessing dynamic muscle function during gait. The results also agree with previous IA studies, lending support to the validity of IA analysis as a means for understanding dynamic Muscle function. (C) 2005 Elsevier B.V. All rights reserved.