HEART-RATE-VARIABILITY AND AEROBIC FITNESS
HEART-RATE-VARIABILITY AND AEROBIC FITNESS
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DOI：
10.1016/0002-8703(93)90164-5
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发表时间：
1993-03-01
影响因子：
4.8
通讯作者：
DEMEERSMAN, RE
中科院分区：
文献类型：
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作者：
DEMEERSMAN, RE
心率变异性是副交感神经活动的非侵入性标志，随着年龄的增长而减少，并在运动训练后增加。随着时间的推移，习惯性运动是否能减轻这种损失尚不清楚。这项横断面调查比较了72名年龄在15岁至83岁之间的男性跑步者与72名年龄和体重匹配的久坐对照组的心率变异性幅度。在受试者以每分钟6次呼吸的速率和增加的潮气量（潮气量=肺活量的30%）呼吸的静息期间评估心率变异性。健康水平进行了评估，在线，开路肺功能测定，而受试者进行递增压力测试。两组之间的总体结果显示，与久坐不动的对照组相比，体力活动组的健康水平显着更高（p < 0.001），这与心率变异性显着更高水平相关（p < 0.001）。这些发现为习惯性有氧运动作为老年人群心率变异性的有益调节剂提供了提示性证据。
Heart rate variability, a noninvasive marker of parasympathetic activity, diminishes with aging and is augmented after exercise training. Whether habitual exercise over time can attenuate this loss is unknown. This cross-sectional investigation compared 72 male runners, aged 15 to 83 to 72 age- and weight-matched sedentary control subjects for the amplitude of their heart rate variability. Heart rate variability was assessed during rest while subjects were breathing at a rate of 6 breaths per minute and at an augmented tidal volume (tidal volume = 30% of vital capacity). Fitness levels were assessed with on-line, open-circuit spirometry while subjects were performing an incremental stress test. Overall results between the two groups showed that the physically active group had significantly higher fitness levels (p < 0.001), which were associated with significantly higher levels of heart rate variability, when compared with their sedentary counterparts (p < 0.001). These findings provide suggestive evidence for habitual aerobic exercise as a beneficial modulator of heart rate variability in an aging population.