A refresher – the 5 heart rate zones
Quick heart rate zone refresher. HR zone 1 or Z1 – 50 to 60% of max HR: this is the very low-intensity zone. Training at this intensity will boost your recovery and get you ready to train [...]
Quick heart rate zone refresher. HR zone 1 or Z1 – 50 to 60% of max HR: this is the very low-intensity zone. Training at this intensity will boost your recovery and get you ready to train [...]