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利用微型监测传感器对高山滑雪运动学进行分析的建议，一项初步研究。

Proposal of an Alpine Skiing Kinematic Analysis with the Aid of Miniaturized Monitoring Sensors, a Pilot Study.

机构信息

Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.

出版信息

Sensors (Basel). 2022 Jun 4;22(11):4286. doi: 10.3390/s22114286.

DOI:10.3390/s22114286
PMID:35684907
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9185405/
Abstract

The recent growth and spread of smart sensor technologies make these connected devices suitable for diagnostic and monitoring in different fields. In particular, these sensors are useful in diagnostics for control of diseases or during rehabilitation. They are also extensively used in the monitoring field, both by non-expert and expert users, to monitor health status and progress during a sports activity. For athletes, these devices could be used to control and enhance their performance. This development has led to the realization of miniaturized sensors that are wearable during different sporting activities without interfering with the movements of the athlete. The use of these sensors, during training or racing, opens new frontiers for the understanding of motions and causes of injuries. This pilot study introduced a motion analysis system to monitor Alpine ski activities during training sessions. Through five inertial measurement units (IMUs), placed on five points of the athletes, it is possible to compute the angle of each joint and evaluate the ski run. Comparing the IMU data, firstly, with a video and then proposing them to an expert coach, it is possible to observe from the data the same mistakes visible in the camera. The aim of this work is to find a tool to support ski coaches during training sessions. Since the evaluation of athletes is now mainly developed with the support of video, we evaluate the use of IMUs to support the evaluation of the coach with more precise data.

摘要

近年来，智能传感器技术的发展和普及使得这些联网设备适用于不同领域的诊断和监测。特别是，这些传感器在疾病控制或康复期间的诊断中非常有用。它们也广泛应用于监测领域，无论是非专业用户还是专业用户，都可以用来监测健康状况和运动过程中的进展。对于运动员来说，这些设备可以用来控制和提高他们的表现。这种发展导致了微型传感器的实现，这些传感器可以在不干扰运动员运动的情况下在不同的运动活动中佩戴。这些传感器的使用，无论是在训练还是比赛中，都为理解运动和受伤原因开辟了新的领域。本研究介绍了一种运动分析系统，用于在训练期间监测高山滑雪活动。通过将五个惯性测量单元（IMU）放置在运动员的五个点上，可以计算每个关节的角度并评估滑雪动作。将 IMU 数据与视频进行比较，然后将其提供给专家教练，就可以从数据中观察到与相机中相同的错误。本工作的目的是找到一种工具来支持滑雪教练在训练期间的工作。由于现在主要通过视频来评估运动员，因此我们评估了使用 IMU 来支持教练进行更精确数据评估的效果。

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