从足球头部运动学角度对口罩和头盔传感器数据进行现场评估。

IF 3 2区 医学 Q3 ENGINEERING, BIOMEDICAL Annals of Biomedical Engineering Pub Date : 2024-07-25 DOI:10.1007/s10439-024-03583-0
Ty D. Holcomb, Madison E. Marks, N. Stewart Pritchard, Logan E. Miller, Steve Rowson, Garrett S. Bullock, Jillian E. Urban, Joel D. Stitzel
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引用次数: 0

摘要

目的:可穿戴传感器用于测量运动中头部受到的冲击。头部撞击遥测(HIT)系统是一种安装在头盔上的系统,通常用于测量美式橄榄球运动中的头部撞击。传感器技术的进步推动了其他传感器方法的发展,例如带仪器的护齿。本研究的目的是比较使用 HIT 系统和口罩式传感器系统测量的高中橄榄球运动员的峰值幅度:方法:在春季橄榄球赛的一个赛季中,在所有接触性训练和比赛中收集数据。通过视频观察和识别记录的事件,并使用事件时间戳进行配对。通过剔除峰值线性加速度低于 10 g 的口罩事件和运动员面罩或身体接触事件,对配对事件进行进一步分层:结果:共分析了 133 个配对事件。在同时测量的事件中,线性加速度和旋转加速度峰值的中位数差异(口罩减去 HIT 系统)分别为 7.3 g 和 189 rad/s2。幅度更大的事件导致传感器之间的运动学差异更大,布兰德-阿尔特曼分析发现平均偏差分别为 8.8 克和 104 拉德/秒2:如果将口罩式传感器视为接近真实的传感器,那么本研究的结果与之前的 HIT 系统验证研究一致,表明平均误差较低,但单个事件之间的误差较大。未来的研究人员在比较使用不同传感器技术收集的结果时,应注意传感器的局限性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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On-Field Evaluation of Mouthpiece-and-Helmet-Mounted Sensor Data from Head Kinematics in Football

Purpose

Wearable sensors are used to measure head impact exposure in sports. The Head Impact Telemetry (HIT) System is a helmet-mounted system that has been commonly utilized to measure head impacts in American football. Advancements in sensor technology have fueled the development of alternative sensor methods such as instrumented mouthguards. The objective of this study was to compare peak magnitude measured from high school football athletes dually instrumented with the HIT System and a mouthpiece-based sensor system.

Methods

Data was collected at all contact practices and competitions over a single season of spring football. Recorded events were observed and identified on video and paired using event timestamps. Paired events were further stratified by removing mouthpiece events with peak resultant linear acceleration below 10 g and events with contact to the facemask or body of athletes.

Results

A total of 133 paired events were analyzed in the results. There was a median difference (mouthpiece subtracted from HIT System) in peak resultant linear and rotational acceleration for concurrently measured events of 7.3 g and 189 rad/s2. Greater magnitude events resulted in larger kinematic differences between sensors and a Bland Altman analysis found a mean bias of 8.8 g and 104 rad/s2, respectively.

Conclusion

If the mouthpiece-based sensor is considered close to truth, the results of this study are consistent with previous HIT System validation studies indicating low error on average but high scatter across individual events. Future researchers should be mindful of sensor limitations when comparing results collected using varying sensor technologies.

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来源期刊
Annals of Biomedical Engineering
Annals of Biomedical Engineering 工程技术-工程:生物医学
CiteScore
7.50
自引率
15.80%
发文量
212
审稿时长
3 months
期刊介绍: Annals of Biomedical Engineering is an official journal of the Biomedical Engineering Society, publishing original articles in the major fields of bioengineering and biomedical engineering. The Annals is an interdisciplinary and international journal with the aim to highlight integrated approaches to the solutions of biological and biomedical problems.
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