使用可穿戴技术量化不同风阻下跑步时的力量和肌肉负荷差异

Q3 Health Professions
Marissa L Bello, Derick A. Anglin, Zachary M. Gillen, JohnEric W Smith
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引用次数: 2

摘要

背景:可穿戴技术由于其实时反馈和在培训课程中调整的能力而越来越受欢迎。除了心率(HR)监测之外,测量功率和内部负荷可能提供有用的见解和更全面的训练差异视图。目的:评估可穿戴技术在耐力跑者中的功效,以确定不同风阻下性能变量的变化。方法:设计一项准实验研究,招募12名耐力训练的跑步者,目前跑步≥120分钟/周,过去3个月。参与者完成了两个阶段:V / o峰值测试和在70% V / o峰值下跑20分钟。平均分为无风阻(W0)和16.1 km/h风阻(W16)两组。通过功率计评估功率,通过嵌入的表面肌电传感器测量内部/外部负载。采用心率传感器,代谢车监测血氧饱和度和内耗。配对t检验用于比较差异,并对每个部分进行Pearson相关。先验意义为p0.05。结果:两组患者功率(W16, W0;p=0.002), W0的功率与内部负荷呈强正相关(r=0.692;p=0.013)和W16 (r=0.657;p = 0.02)。结论:HR、vo2和RER无明显变化,表现出持续的类似生理反应。观察到的功率显著增加表明,功率计可用于区分风阻,正相关性表明,这些设备的组合可能有助于区分波动条件下的性能变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Use of Wearable Technology to Quantify Power and Muscle Load Differences During Running Against Varying Wind Resistances
Background: Wearable technology has increased in popularity due to its live feedback and ability to adjust within training sessions. In addition to heart rate (HR) monitoring, measuring power and internal load may provide useful insight and a more comprehensive view of training differences. Objectives: Assess the efficacy of wearable technology in endurance runners to determine changes in performance variables with varying wind resistance. Methods: A quasi-experimental study was designed and recruited twelve endurance-trained runners currently running ≥120 min/week for the past 3 months. Participants completed two sessions: V̇O2peak testing, and a 20-min run at 70% V̇O2peak. The run was evenly divided into no wind resistance (W0) and 16.1 km/h wind resistance (W16). Power was assessed via a power meter and internal/external load measured via surface EMG sensor-embedded compression shorts. A HR sensor was used and V̇O2 and RER were monitored using a metabolic cart. Paired t-tests were used to compare differences and Pearson correlations were conducted for each segment. Significance was set a priori at p0.05. Results: There were significant differences in power (W16 W0; p=0.002), as well as a strong positive correlation between power and internal load for W0 (r=0.692; p=0.013) and W16 (r=0.657; p=0.02). Conclusions: The lack of significance changes in HR, V̇O2, and RER demonstrates a sustained similar physiological response. The significant increase observed in power suggests the power meter can be useful in differentiating wind resistance, and the positive correlations suggest a combination of these devices may be beneficial in distinguishing performance changes during fluctuating conditions.
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来源期刊
International Journal of Kinesiology and Sports Science
International Journal of Kinesiology and Sports Science Health Professions-Physical Therapy, Sports Therapy and Rehabilitation
CiteScore
1.80
自引率
0.00%
发文量
7
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