Target Heart Rate (THR)Do you want to get the most out of those 35 minutes on the treadmill, or any kind of cardio exercise? You can maximize the benefits of cardiovascular activity when you exercise in the zone of your target heart rate (THR). In general terms, your THR is 60-80% of your maximum heart rate
Ask for medical advice if you're out of shape or have a medical condition.
should talk to a doctor if you want to find out how intense your physical activity can be if you're in one of the following categories:
• You have a medical condition, like a irregular heartbeat or high blood pressure
• You're regularly taking medications that may alter your heart rate