Multi-Agency Study on Human Impact Exposure Onboard High-Speed Boats
试验速览
- 阶段
- 不适用
- 状态
- Enrolling By Invitation
- 发起方
- 入组人数
- 250
- 试验地点
- 1
- 主要终点
- Peak acceleration levels of actual human impact exposure onboard High-Speed boats
研究概览
简要总结
Operating high-speed boats is dangerous. The purpose of this study is to establish what levels and what characteristics of impact exposure cause injuries.
Impact-induced injuries are sometimes severe and cause permanent disabilities. The slamming-impact exposure causes more injuries per workday than seen in most other peacetime work. 12.
It is however NOT known which levels or kinds of impacts are dangerous and which are safe or sustainable. To prevent injuries and to reduce fatigue onboard high-speed boats, this knowledge is crucial.
Current standards and regulations lack relevance. They are based on mean values of vibrations, and the stated exposure limit values are impossible to comply with even in normal maritime operations.
The purpose of this study is to establish what levels and what characteristics of impact exposure cause injuries.
This prospective observation study will measure human impact exposure and correlate this to the occurrence and development of pain, used to indicate the risk of injury.
详细描述
INTRODUCTION The ultimate purpose of the study is to protect professionals operating high-speed boats from severe impact-induced injuries.
This requires establishing what kinds of impacts are dangerous and defining relevant limits for sustainable human impact exposure.
Human impact exposure onboard high-speed boats causes pain and injuries, some severe, permanent, and debilitating, physical fatigue, and cognitive impairment.
Increasing speeds and increasing numbers of high-speed boats used in professional operations seem to increase these problems both in numbers and severity worldwide.
A lack of knowledge about the actual exposure and understanding of the causes of injuries, and the implementation of counterproductive regulations, test methods, specifications may have contributed to the increasing number of injuries.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 17 Years 至 70 Years（Child, Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Volunteering crew or passengers working onboard or being transported in a professional capacity onboard boats used by the participating agencies and organizations
排除标准
- •Nonvolunteering
结局指标
主要结局
Peak acceleration levels of actual human impact exposure onboard High-Speed boats
时间窗: May 2022 - Dec 2022
This will show the peak acceleration levels to which humans are exposed in three directions, X, Y, and Z, relative to the boat. Acceleration is measured in m/s2.
Safe versus unsafe levels of real-life human impact exposure onboard H-S boats
时间窗: Jan 2023 - Dec 2024
This will indicate at what human acceleration levels injuries can be expected.
次要结局
- Range of rise-times and correlation to peak acceleration levels(Jan 2023 - Dec 2024)
- Range of jerk and correlation to peak acceleration levels(Jan 2023 - Dec 2024)
- Total mechanical effect (Watt) in impacts .(Jan 2023 - Dec 2024)
- Correlation of various impact characteristics to reported pain.(Jan 2023 - Dec 2024)