The rest of its energy is used for controlling other activities—both unconscious activities, such as heart rate, and conscious ones, such as driving a car.
剩余的能量用于控制其它的活动---既包括无意识活动,比如心跳,也包括有意识活动,比如开车。
Objective To evaluate the effects of rest heart rate (RHR) on myocardial tissue velocity in healthy subjects by quantitative tissue velocity imaging (QTVI).
目的应用定量组织速度成像(QTVI)技术探讨正常人的静息心率(RHR)对心肌组织速度的影响。
CONCLUSION: Exercises can improve obviously heart rate variability in rest, increase tone of cardiac vagus nerve and decrease the capability of cardiac sudden death.
结论:运动训练可明显提高安静时心率变异性,提高心迷走神经张力,减低心脏性猝死的可能性。
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