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首页> 外文期刊>Journal of Human Sport and Exercise >Resting cardiac autonomic activity and body composition following a 16-week high-intensity functional training intervention in women: A pilot study
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Resting cardiac autonomic activity and body composition following a 16-week high-intensity functional training intervention in women: A pilot study

机译：一项为期16周的高强度功能训练干预后的女性静息自主神经活动和身体成分的初步研究

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High-Intensity Functional Training (HIFT) is an increasingly popular mixed modal high-intensity training style with little empirical evidence regarding adaptations. The objective of this study was to examine alterations in resting cardiac autonomic activity through the measurement of heart rate variability (HRV) and body composition in women following 16-weeks of HIFT. Nine apparently healthy females (35.8 ± 9.3 years old) participated in this study. Resting heart rate (RHR), HRV, and body composition measures were collected pre and post 16-weeks of the HIFT intervention. The markers of HRV used were the Root Mean Square of Successive Differences (RMSSD) and High-Frequency (HF) power. Body composition markers used were body fat percentage (BF%) and body mass (BM). A natural log transformation (ln) was applied to HRV markers prior to analysis. Paired sample t-test showed significant reductions in post RHR (p = 0.018) and BF% (p = 0.012). However, no significant changes were observed in post lnRMSSD (p = 0.501), lnHF (p = 0.760), or BM (p = 0.285). 16-weeks of HIFT was not sufficient to alter makers of HRV. Importantly, the participation in 16-weeks of HIFT elicited improvements in basic health measures (RHR and BF%) in recreationally active females.
机译：高强度功能训练（HIFT）是一种越来越流行的混合模式高强度训练方式，几乎没有关于适应的经验证据。这项研究的目的是通过测量HIFT 16周后女性的心率变异性（HRV）和身体成分来检查静息心脏自主神经活动的变化。九名显然健康的女性（35.8±9.3岁）参加了这项研究。在HIFT干预的16周前后，收集静息心率（RHR），HRV和身体成分的测量值。使用的HRV的标志是连续差均方根（RMSSD）和高频（HF）功率。所使用的身体成分标记是体脂百分比（BF％）和体重（BM）。在分析之前，将自然对数转换（ln）应用于HRV标记。配对样本t检验显示RHR后（p = 0.018）和BF％（p = 0.012）显着降低。但是，在lnRMSSD（p = 0.501），lnHF（p = 0.760）或BM（p = 0.285）之后，未观察到显着变化。 HIFT 16周不足以改变HRV的制造者。重要的是，参加16周的HIFT可以使活跃在运动中的女性的基本健康指标（RHR和BF％）得到改善。

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