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相关概念视频

Eccentric Axial Loading in a Plane of Symmetry01:16

Eccentric Axial Loading in a Plane of Symmetry

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Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
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Kinematic Equations: Problem Solving01:15

Kinematic Equations: Problem Solving

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When analyzing one-dimensional motion with constant acceleration, the problem-solving strategy involves identifying the known quantities and choosing the appropriate kinematic equations to solve for the unknowns. Either one or two kinematic equations are needed to solve for the unknowns, depending on the known and unknown quantities. Generally, the number of equations required is the same as the number of unknown quantities in the given example. Two-body pursuit problems always require two...
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Movement Joints in Buildings01:27

Movement Joints in Buildings

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Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...
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Kinematic Equations for Rotation01:30

Kinematic Equations for Rotation

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In mechanics, when one observes a rigid body in rotational motion with constant angular acceleration, it is possible to establish equations for its rotational kinematics. This process resembles how linear kinematics are dealt with in simpler motion studies.
For instance, imagine a point A on a rigid body engaged in circular motion. The translational velocity of this particular point can be calculated by taking the time derivatives of the displacement equation, which essentially measures the...
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相关实验视频

Updated: Jun 13, 2025

Movement Retraining using Real-time Feedback of Performance
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由各种机械优化目标影响的执行干部曲任务的动力学模式:一个模拟研究研究.

Huihao Wang1, Kuan Wang2, Yuxin Zheng1

  • 1Shi's Center of Orthopedics and Traumatology (Institute of Traumatology, Shuguang Hospital), Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.

Clinical biomechanics (Bristol, Avon)
|September 11, 2024
PubMed
概括

在体曲过程中最大限度地减少腰椎盘负荷,可以导致明显的运动模式. 了解这些模式为个性化腰部疼痛治疗策略提供了洞察力.

关键词:
脊椎间的负荷 脊椎间的负荷腰椎间椎间盘是腰椎间椎间盘.发动机控制器 发动机控制器肌肉骨系统的建模.

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Method to Measure Tone of Axial and Proximal Muscle
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科学领域:

  • 生物力学 生物力学
  • 肌肉骨系统的建模
  • 脊柱研究研究 脊柱研究

背景情况:

  • 腰部疼痛 (LBP) 是全球导致残疾的主要原因之一.
  • 在一般成年人群中观察到高LBP复发率.

研究的目的:

  • 在腰部疼痛患者中调查干部动力学和腰椎间脊椎负荷之间的关系.
  • 探索不同的运动控制策略如何影响腰椎曲过程中的腰椎负荷.

主要方法:

  • 利用开源的干部肌肉骨模型.
  • 在各种运动控制策略下模拟车身曲.
  • 在L4/L5和L5/S1级别分析负载.

主要成果:

  • 减少腰椎下部负荷的策略产生了两个运动模式:"限制的腰椎"和"过度屈曲的腰椎".
  • "限制"模式降低了整体下腰部负荷.
  • "过度屈曲"模式减少了L4/L5的切削力,但增加了L5/S1的压力/切削力和L4/L5的压力力.

结论:

  • 肌肉骨建模和模拟揭示了与腰椎间脊椎负荷相关的明显的干部动力学.
  • 研究结果为为腰部疼痛患者开发个性化治疗方法提供了洞察力.