神经肌肉训练热身中测量和观察运动保真度的比较

L. Benson, A. Räisänen, Sartaj S. Sidhu, C. Emery
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引用次数: 0

摘要

神经肌肉训练(NMT)热身项目可以有效地预防青少年受伤,但监测运动保真度是一项挑战。本研究的目的是将通过惯性测量单元(IMU)测量的运动保真度与所选运动的直接观测值进行比较。作为NMT热身的一部分,青少年篮球和足球运动员进行了单腿跳跃、深蹲跳跃、北欧腘绳肌卷曲和/或单腿平衡练习。在每位参与者的下背部放置一个IMU,并录制热身视频。理疗师使用视频记录和检查表评估了运动保真度的音量方面(即进行规定次数的重复)。开发了算法来计算IMU信号的重复次数。将算法的重复次数与理疗师的评估进行比较,并计算每次锻炼的准确性、准确性和回忆力。共有91名(39名女性,52名男性)运动员进行了四项热身运动中的至少一项。所有练习的准确率、准确率和回忆率都超过88%。单腿跳跃算法对所有集合进行了正确的分类。IMU可用于量化涉及着陆期间的影响和旋转期间的方向变化的锻炼的锻炼量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of Measured and Observed Exercise Fidelity during a Neuromuscular Training Warm-Up
Neuromuscular training (NMT) warm-up programs effectively prevent injuries in youth, but monitoring exercise fidelity is challenging. The purpose of this study was to compare the exercise fidelity as measured via an inertial measurement unit (IMU) with direct observations of selected exercises. Youth basketball and soccer players performed single leg jumps, squat jumps, Nordic hamstring curls, and/or single leg balance exercises as part of an NMT warm-up. An IMU was placed on the lower back of each participant and the warm-up was video recorded. A physiotherapist evaluated the volume aspect of exercise fidelity (i.e., performing the prescribed number of repetitions) using the video recordings and a checklist. Algorithms were developed to count the number of repetitions from the IMU signal. The repetitions from the algorithms were compared with the physiotherapist’s evaluation, and accuracy, precision, and recall were calculated for each exercise. A total of 91 (39 female, 52 male) athletes performed at least one of the four warm-up exercises. There was an accuracy, precision, and recall of greater than 88% for all exercises. The single leg jump algorithm classified all sets correctly. IMUs may be used to quantify exercise volume for exercises that involve both impact during landing and changes in orientation during rotations.
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CiteScore
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