Soft tissues in the pelvic region - novel characterization of properties and modifiers, and their influence on musculoskeletal loading

骨盆区域的软组织 - 特性和调节剂的新特征及其对肌肉骨骼负荷的影响

基本信息

  • 批准号:
    RGPIN-2020-05517
  • 负责人:
  • 金额:
    $ 2.91万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2020
  • 资助国家:
    加拿大
  • 起止时间:
    2020-01-01 至 2021-12-31
  • 项目状态:
    已结题

项目摘要

During fall-related impacts, the risk of tissue damage is directly related to the magnitude and distribution of impact loads. While the field generally recognizes the important influence of soft tissues on impact dynamics during falls on the lateral pelvis (i.e. hip' region), there is limited information about the characteristics of these tissues, the factors that modify them, and algorithms that accurately describe their influence on impact dynamics. Accordingly, the proposed research, comprised of four complementary Themes', will generate novel insights into the basic mechanical properties of the soft tissues in the pelvic region, their underlying modifiers, and how these soft tissues influence loading dynamics. Themes 1 and 2 will use novel ultrasound imaging techniques to investigate how individual factors (e.g. sex, age, body composition) influence the thickness and mechanical properties of pelvic soft tissues. This will be accomplished through a comprehensive application of shear wave elastography, and B-mode imaging synchronized with indentation force-deflection profiling. In Theme 3, human volunteers will be used to examine the influence of these soft tissue properties on lateral pelvis impact dynamics. Specifically, participants will undergo a series of loading scenarios (static lying to low energy falls). Impact kinetics applied to the pelvic skin surface will be measured with force plates and high-speed pressure measurement systems, and we will examine how the soft tissue properties examined in Themes 1 and 2 relate to impact dynamics. All previous outcomes will be integrated in Theme 4 through the use a validated mechanical hip impact simulator. Surrogate soft tissue materials, custom-made to match the range of properties observed in Themes 1-3, will be used to create up to 100 surrogate soft tissue coverings. These soft tissues, incorporated into the hip impact simulator, will undergo simulated sideways falls with a range of impact energies. Load sensing systems will measure impact kinetics, including the loads ultimately transmitted to the underlying femur. In summary, the proposed program of research will produce the world's most robust characterization of soft tissue properties in the pelvic region, in addition to the influence of these tissues on the loads applied to the hip region during lateral impacts. In addition to improving mathematical and mechanical models of lateral impact, this research will catalyze collaborations with industry partners to improve the design of engineering-based load attenuation devices for pressure sores and hip fractures. The trainees involved will experience an equitable, diverse, and inclusive research environment that uses multi-disciplinary approaches including experimental studies with humans, novel imaging technology, mechanical impact simulators, and mathematical modeling. These novel skill-sets will support their emergence as future leaders in academic or industry settings.
在与坠落有关的撞击过程中,组织损伤的风险与撞击载荷的大小和分布直接相关。虽然本领域通常认识到在侧骨盆(即,髋区域)上的福尔斯跌倒期间软组织对冲击动力学的重要影响,但是关于这些组织的特性、修改它们的因素以及准确地描述它们对冲击动力学的影响的算法的信息有限。因此,拟议的研究,包括四个互补的主题,将产生新的见解的基本力学性能的软组织在骨盆区域,其潜在的修改器,以及这些软组织如何影响加载动态。主题1和2将使用新的超声成像技术来研究个体因素(例如性别,年龄,身体成分)如何影响骨盆软组织的厚度和机械性能。这将通过综合应用剪切波弹性成像和B模式成像与压痕力-挠度分布同步来实现。在主题3中,人类志愿者将被用来检查这些软组织属性对骨盆外侧冲击动力学的影响。具体来说,参与者将经历一系列的负载场景(静态躺在低能量福尔斯)。应用于骨盆皮肤表面的冲击动力学将使用测力板和高速压力测量系统进行测量,我们将研究主题1和2中检查的软组织特性与冲击动力学的关系。通过使用经确认的机械髋关节撞击模拟器,将所有之前的结局整合到主题4中。定制替代软组织材料以匹配主题1-3中观察到的特性范围,将用于创建多达100个替代软组织覆盖物。这些软组织被纳入髋关节撞击模拟器,将在一定范围的撞击能量下模拟侧向福尔斯跌落。载荷传感系统将测量冲击动力学,包括最终传递到下方股骨的载荷。总之,拟议的研究计划将产生世界上最强大的表征软组织的特性在骨盆区域,除了这些组织的影响,在横向冲击期间施加到髋关节区域的负载。除了改进横向冲击的数学和力学模型外,这项研究还将促进与行业合作伙伴的合作,以改进基于工程的压力疮和髋部骨折载荷衰减装置的设计。参与的学员将体验公平、多元化和包容性的研究环境,该环境采用多学科方法,包括人体实验研究、新型成像技术、机械冲击模拟器和数学建模。这些新的技能组合将支持他们成为学术或行业环境中的未来领导者。

项目成果

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Laing, Andrew其他文献

Laing, Andrew的其他文献

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{{ truncateString('Laing, Andrew', 18)}}的其他基金

Soft tissues in the pelvic region - novel characterization of properties and modifiers, and their influence on musculoskeletal loading
骨盆区域的软组织 - 特性和调节剂的新特征及其对肌肉骨骼负荷的影响
  • 批准号:
    RGPIN-2020-05517
  • 财政年份:
    2022
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Soft tissues in the pelvic region - novel characterization of properties and modifiers, and their influence on musculoskeletal loading
骨盆区域的软组织 - 特性和调节剂的新特征及其对肌肉骨骼负荷的影响
  • 批准号:
    RGPIN-2020-05517
  • 财政年份:
    2021
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Development and validation of a musculoskeletal model of the pelvis in response to lateral impacts
响应横向冲击的骨盆肌肉骨骼模型的开发和验证
  • 批准号:
    RGPIN-2015-03636
  • 财政年份:
    2019
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Development and validation of a musculoskeletal model of the pelvis in response to lateral impacts
响应横向冲击的骨盆肌肉骨骼模型的开发和验证
  • 批准号:
    RGPIN-2015-03636
  • 财政年份:
    2018
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Development and validation of a musculoskeletal model of the pelvis in response to lateral impacts
响应横向冲击的骨盆肌肉骨骼模型的开发和验证
  • 批准号:
    RGPIN-2015-03636
  • 财政年份:
    2017
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Development and validation of a musculoskeletal model of the pelvis in response to lateral impacts
响应横向冲击的骨盆肌肉骨骼模型的开发和验证
  • 批准号:
    RGPIN-2015-03636
  • 财政年份:
    2016
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
The influence of flooring properties on force attenuation and balance control
地板特性对力衰减和平衡控制的影响
  • 批准号:
    496750-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Engage Grants Program
Development and validation of a musculoskeletal model of the pelvis in response to lateral impacts
响应横向冲击的骨盆肌肉骨骼模型的开发和验证
  • 批准号:
    RGPIN-2015-03636
  • 财政年份:
    2015
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Discovery Grants Program - Individual
Exploring research collaboration with SofSurfaces Inc.
探索与 SofSurfaces Inc. 的研究合作
  • 批准号:
    486141-2015
  • 财政年份:
    2015
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Interaction Grants Program
STABIL - a System to advance Technology and Assessment of Balance, Impact, and Loading
STABIL - 一个先进的平衡、影响和负载技术和评估系统
  • 批准号:
    472490-2015
  • 财政年份:
    2014
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Research Tools and Instruments - Category 1 (<$150,000)

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开发用于评估盆腔骨骼肌的电阻抗肌动描记 (EIM) 阴道装置
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