Modeling human response to foot-transmitted vibration

振动可以通过与振动表面接触的任何点进入人体，通常分为全身振动（WBV）、手臂振动（HAV）或脚传振动（FTV）。以前的研究检查WBV和HAV已经模拟了结构，血管和神经系统对振动的反应之间的复杂相互作用。然而，解释复杂的生物动力学，物理学和生理人类响应FTV的模型尚未开发。因此，本研究计划的长期目标是开发一个模型，从生物动力学，物理学和生理学的角度来描述FTV变量和人类对FTV的反应之间的定量关系。研究成果将支持工程师努力开发“抗振”工具/设备，材料科学家努力确定能够衰减与伤害和不适有关的职业振动参数的个人防护设备材料。 还需要了解人类对FTV的反应，以提出适合于测量和评估职业FTV的加权曲线。为此，短期目标将侧重于研究FTV暴露特征（频率;幅度;方向）、姿势特征（下肢姿势;站立压力中心;足弓指数;质量）与选定的生物动力学（传递率）、心理物理学（舒适度）和生理反应变量（心率;血流量）之间的关系。将进行受控的实验室实验，参与者将暴露于FTV，同时站在能够模拟振动暴露的六自由度机器人平台上。研究结果将用于建立一个模型，解释男性和女性参与者对FTV的生物动力学，心理物理学和生理反应。**

Vibration can enter the body through any point that is in contact with a vibrating surface and is typically classified as whole-body vibration (WBV), hand-arm vibration (HAV), or foot-transmitted vibration (FTV). Previous research examining WBV and HAV has modeled a complex interaction between structural, vascular, and neurological response to vibration. However, a model explaining the complex bio-dynamic, pyscho-physics and physiological human response to FTV has not been developed. Therefore, the long-term objective of this research program is to develop a model that describes the quantitative relationship between variables of FTV and human response to FTV from a bio-dynamic, pyscho-physics, and physiological perspective. Research outcomes will support efforts of engineers working to develop "anti-vibration" tools/equipment and material scientists working to identify materials for personal protective equipment that are capable of attenuating occupational vibration parameters link to injury, and discomfort. An understanding of human response to FTV is also needed to propose a weighting curve appropriate for the measurement, and evaluation of occupational FTV. To this end, short-term objectives will focus on investigating the relationship between FTV exposure characteristics (frequency; magnitude; direction), posture characteristics (lower limb postures; standing center of pressure; arch-index; mass), and selected bio-dynamic (transmissibility), psycho-physics (comfort), and physiological response variables (heart rate; blood flow). Controlled laboratory experiments will be conducted and participants will be exposed to FTV while standing on a six degree of freedom robotic platform that is capable of simulating vibration exposures. Research outcomes will be used to build a model that explains the bio-dynamic, psycho-physics and physiological response of male and female participants to FTV. **