中青年男性运动训练和去训练后心率变异性的探索性研究。

IF 3.5 3区 生物学 Q1 BIOLOGY
Andres E Carrillo, Petros C Dinas, Paraskevi Gkiata, Alexa R Ferri, Glen P Kenny, Yiannis Koutedakis, Athanasios Z Jamurtas, George S Metsios, Andreas D Flouris
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引用次数: 0

摘要

我们检查了年轻和中年男性在完成运动训练计划后立即进行一段时间的去训练后的心率(HR)和心率变异性(HRV)。8名年轻男性(27.8±3.8岁)和10名中年男性(41.9±3.8岁)被随机分配完成为期8周的运动训练计划,其中包括有氧运动(年轻:n = 3;中年:n = 2),阻力(青年:n = 3;中年:n = 3),或组合(有氧/阻力)(年轻:n = 2;中年:n = 5)运动。之后,参与者在8周的去训练期间停止了所有计划的运动训练活动。静息HR和HRV分别在基线、运动训练后和去训练后进行评估。各时间点年龄组间的平均差异分析显示,与中年受试者相比,年轻受试者的正常RR区间(SDNN)、连续RR区间(RMSSD)、高频(HF)频带(0.15-0.40 Hz)和心脏迷走神经指数(CVI)在基线时(p≤0.019)和去训练后(p≤0.045)的均方根标准差显著高于中年受试者。8周运动训练干预后无明显差异(p≥0.057)。此外,在中年参与者中,我们观察到去训练后HRV指数(RMSSD、HF和CVI)和收缩压的百分比变化呈显著负相关(p < 0.05)。总之,与中年参与者相比,年轻参与者在基线时HRV指数水平更高,反映出更大的心脏迷走神经调节。我们发现这些与年龄相关的HRV差异在运动训练后减弱,但在8周的去训练后重新建立。鉴于HRV与年龄相关的减弱可能反映心血管健康的变化,进一步研究HRV、运动训练和去训练、衰老和不良健康结局风险之间的关系很重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Exploratory Investigation of Heart Rate Variability in Response to Exercise Training and Detraining in Young and Middle-Aged Men.

We examined heart rate (HR) and heart rate variability (HRV) in young and middle-aged men after a period of detraining that immediately followed the completion of an exercise training program. Eight young (27.8 ± 3.8 years) and ten middle-aged (41.9 ± 3.8 years) men were randomly assigned to complete an 8-week exercise training program that included either aerobic (young: n = 3; middle-aged: n = 2), resistance (young: n = 3; middle-aged: n = 3), or combined (aerobic/resistance) (young: n = 2; middle-aged: n = 5) exercise. Thereafter, participants ceased all planned exercise training activities during an 8-week detraining period. Resting HR and HRV were assessed at baseline, after exercise training, and after detraining. An analysis of mean differences between age groups at each time-point revealed a significantly higher standard deviation of normal RR intervals (SDNN), square root of the mean of squared differences between successive RR intervals (RMSSD), high-frequency (HF) band (0.15-0.40 Hz), and cardiac vagal index (CVI) in young participants when compared to middle-aged participants at baseline (p ≤ 0.019) and after detraining (p ≤ 0.045), but not after the 8-week exercise training intervention (p ≥ 0.057). Additionally, in middle-aged participants, we observed a significant negative association between the percent change in HRV indices (RMSSD, HF, and CVI) and systolic blood pressure in response to detraining (p < 0.05). In conclusion, young participants had higher levels of HRV indices at baseline, reflecting greater cardiac vagal modulation when compared to middle-aged participants. We showed that these age-related differences in HRV are diminished following exercise training but are reestablished following 8 weeks of detraining. Given that age-related attenuations in HRV may reflect changes in cardiovascular health, it is important to further investigate the relationships between HRV, exercise training and detraining, aging, and the risk of poor health outcomes.

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来源期刊
Biology-Basel
Biology-Basel Biological Science-Biological Science
CiteScore
5.70
自引率
4.80%
发文量
1618
审稿时长
11 weeks
期刊介绍: Biology (ISSN 2079-7737) is an international, peer-reviewed, quick-refereeing open access journal of Biological Science published by MDPI online. It publishes reviews, research papers and communications in all areas of biology and at the interface of related disciplines. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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