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激光线速加速度测量系统与运动动学分析软件的应用。

Application of the Laser Linear Distance-Speed-Acceleration Measurement System and Sport Kinematic Analysis Software.

机构信息

Faculty of Sport, University of Ljubljana, Gortanova 22, 1000 Ljubljana, Slovenia.

Ljubljana School of Business, Management and Informatics, Tržaška cesta 42, 1000 Ljubljana, Slovenia.

出版信息

Sensors (Basel). 2022 Aug 5;22(15):5876. doi: 10.3390/s22155876.

Abstract

The industrial development of technology, with appropriate adaptation, enables us to discover possibilities in sport training control. Therefore, we have developed a new approach to linear running analysis. This study aims to determine the measurement possibilities using an LDM301A laser system in obtaining basic kinematic parameters. The second goal is the application of specialized computer programs based on appropriate algorithms to calculate a vast number of variables that can be used to adjust the training and the rivalry. It is a non-invasive, non-contact measurement method. We can also determine the influence of both subjective and objective external factors. In this way, we can also conduct training with real-time scientific feedback. This method is easy to use and requires very little time to set up and use. The efficiency and running economy can be calculated with various time, speed, acceleration, and length indexes. Calculating the symmetries between the left and right leg in velocity, stride lengths, support phase times, flight phase times, and step frequency are possible. Using the laser measurement method and detailed kinematic analysis may constitute a new chapter in measuring speed. However, it still has to compete with classic photocell measurement methods. This is mainly due to their high frequency of measurement used, despite some reservations about the scale of measurement errors.

摘要

技术的工业发展,通过适当的适应,使我们能够在运动训练控制中发现可能性。因此,我们开发了一种新的线性跑步分析方法。本研究旨在确定使用 LDM301A 激光系统进行测量的可能性,以获取基本运动学参数。第二个目标是应用基于适当算法的专业计算机程序来计算大量可用于调整训练和竞争的变量。这是一种非侵入性、非接触式的测量方法。我们还可以确定主观和客观外部因素的影响。通过这种方式,我们还可以进行具有实时科学反馈的训练。该方法易于使用,设置和使用所需时间非常少。可以使用各种时间、速度、加速度和长度指标来计算效率和跑步经济性。可以计算速度、步幅、支撑阶段时间、腾空阶段时间和步频的左右腿对称性。使用激光测量方法和详细的运动学分析可能构成测量速度的新篇章。然而,它仍然需要与经典的光电测量方法竞争。这主要是由于它们使用的测量频率很高,尽管对测量误差的规模存在一些保留意见。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b1ca/9371152/3f1fa05ef1f0/sensors-22-05876-g001.jpg

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