Muscle-tendon complex properties of small mammals

小型哺乳动物的肌肉肌腱复杂特性

基本信息

项目摘要

Muscles have different functions during locomotion (e.g. motor, brake,spring). This study investigates whether there are adaptions in muscleproperties according to these functions. For this purpose, the two rat muscles - M. gastrocnemius (Caput mediale) and M. quadriceps femoris(Vastus lateralis) - are compared experimentally as well as insimulations of muscle contractions. The latter requires a muscle modelwhich is able to predict the history-dependence of muscle force,namely force-depression after muscle shortening and force-enhancementafter muscle stretch. In the previous funding period we developed aphysiologically motivated model which for the first timerealistically predicts lengthening-induced force enhancement.In this last funding period (one year) it is necessary to enhance theexisting muscle model with regard to shortening-induced forcedepression. Using the enhanced muscle model we will performsimulations of muscle contractions to compare the muscles with respectto their functions (motor, brake, spring) during locomotion. Uponconclusion of the project a better understanding of functional muscleadaptations on the level of muscle properties will be achieved.
运动时肌肉有不同的功能(如马达、刹车、弹簧)。这项研究调查了根据这些功能是否存在肌肉特性的适应性。为此,我们在实验和模拟肌肉收缩时比较了两种大鼠肌肉——腓肠肌(股内侧肌)和股四头肌(股外侧肌)。后者需要一个肌肉模型,能够预测肌肉力的历史依赖性,即肌肉缩短后的力下降和肌肉拉伸后的力增强。在之前的资助期间,我们开发了生理动机模型,这是第一次现实地预测延长引起的力增强。在最后一个资助期(一年),有必要加强关于缩短引起的力抑制的现有肌肉模型。使用增强的肌肉模型,我们将进行肌肉收缩的模拟,以比较肌肉在运动过程中的功能(马达,制动器,弹簧)。该项目结束后,将在肌肉特性水平上更好地了解功能性肌肉适应。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
On the relevance of structure preservation to simulations of muscle actuated movements
关于结构保存与肌肉驱动运动模拟的相关性
Muscle force depends on the amount of transversal muscle loading.
肌肉力量取决于横向肌肉负荷的大小
  • DOI:
    10.1016/j.jbiomech.2014.03.029
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    T. Siebert;O. Till;N. Stutzig;M. Günther;R. Blickhan
  • 通讯作者:
    R. Blickhan
Work partitioning of transversally loaded muscle: experimentation and simulation
A 3D-geometric model for the deformation of a transversally loaded muscle.
横向负载肌肉变形的 3D 几何模型
  • DOI:
    10.1016/j.jtbi.2012.01.009
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    2
  • 作者:
    T. Siebert;M. Günther;R. Blickhan
  • 通讯作者:
    R. Blickhan
Force depression decays during shortening in the medial gastrocnemius of the rat.
大鼠腓肠肌内侧缩短期间力抑制衰减
  • DOI:
    10.1016/j.jbiomech.2013.12.025
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    O. Till;T. Siebert;R. Blickhan
  • 通讯作者:
    R. Blickhan
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Professor Dr. Tobias Siebert其他文献

Professor Dr. Tobias Siebert的其他文献

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{{ truncateString('Professor Dr. Tobias Siebert', 18)}}的其他基金

Eigenschaften des Muskel-Sehnenkomplexes kleiner Säuger
小型哺乳动物肌肉肌腱复合体的特性
  • 批准号:
    5434488
  • 财政年份:
    2004
  • 资助金额:
    --
  • 项目类别:
    Research Grants

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