Share Facebook Twitter LinkedIn Email Telegram WhatsApp The number of heartbeats in a given timeframe, computed for specific activities or rest periods. Changes in average heart rate can indicate factors like overtraining or increased stress. Typically calculated in beats per minute. Related Articles: The Rusko Orthostatic TestTraining #EverestnofilterWhy We Stopped Relying on HRV AppsTraining for MountaineeringHeart Rate Drift: A Functional Measure of Aerobic Fitness