Department of Physical Education, Chungbuk National University, Cheongju 28644, Korea.
Department of Kinesiology, Jeju National University, Jeju 63243, Korea.
Int J Environ Res Public Health. 2021 Sep 30;18(19):10305. doi: 10.3390/ijerph181910305.
This study aimed to investigate the effects of online physical education classes, using Tabata training, on middle school students' physical fitness. Fifty-four adolescents were randomly assigned to either the asynchronous online class group (AOCG, = 24, age: 15.8 ± 0.4 years) or the synchronous online class group (SOCG, = 24 age: 15.9 ± 0.3 years). The online physical education class lasted two days per week for 10 weeks. Recorded video lectures were conducted for the AOCG, and Tabata training for the SOCG, as real-time lecture methods. Baseline and post-online physical education class measures included muscular strength, muscular endurance, flexibility, balance, and cardiorespiratory fitness tests. The results showed that the synchronous online physical education class had a positive effect on the improvement of muscle mass, ankle strength (dorsiflexion), hip strength (abduction, flexion, extension, and external rotation), knee strength (extension and flexion), and balance (Y-balance test) in adolescents. These findings suggest that the physical fitness of adolescents can be sufficiently improved through appropriate online physical education class methods. Further research should focus on developing and evaluating different types of exercises for synchronous online physical education classes as a precautionary measure for the second wave of COVID-19.
本研究旨在探讨使用 Tabata 训练的在线体育课对中学生体质的影响。54 名青少年被随机分配到异步在线课程组（AOCG，n=24，年龄：15.8±0.4 岁）或同步在线课程组（SOCG，n=24，年龄：15.9±0.3 岁）。在线体育课每周进行两天，持续 10 周。AOCG 采用录制视频讲座的方式，SOCG 则采用 Tabata 训练的实时讲座方式。在基线和在线体育课结束后，对肌肉力量、肌肉耐力、柔韧性、平衡和心肺功能进行了测试。结果表明，同步在线体育课对青少年的肌肉质量、踝关节力量（背屈）、髋关节力量（外展、内收、前屈、后伸和外旋）、膝关节力量（伸膝和屈膝）和平衡（Y 平衡测试）的提高有积极影响。这些发现表明，通过适当的在线体育课方法，可以充分提高青少年的体质。进一步的研究应集中开发和评估不同类型的同步在线体育课练习，以作为预防 COVID-19 第二波疫情的措施。
