Many modern smartwatches are able to provide information about the so-called heart rate zones in addition to heart rate and other data. You can find out what this is all about here.
Wearables such as smartwatches display heart rate zones during exercise, among other things. (Source: Milkos / depositphotos.com)
- The heart rate zone indicates how high the heart rate is during a certain section of the workout.
- The five zones indicate how stressed the body is during that section of training.
- The body reaches its maximum heart rate in the anaerobic zone.
In addition to information about heart rate, number of steps taken, calories burned or distance covered, many smartwatches can also indicate which heart rate zone the body is in when recording a workout. However, many of you probably don’t know what this information is all about. We’ll shed some light on the matter and explain what the heart rate zone means.
The general assumption in the fitness and sports world is that the human body can be in one of five heart rate zones when training. The zones indicate how intense the training was for the body at a certain point in time. Both the heart rate and the blood oxygen level (SpO2) are used to determine the heart rate zone. The more intense the training, the higher the current zone.
This means the heart rate zone
Zone I indicates very light to no strain. Here the heart rate reaches less than 60 percent of its maximum. In zone II (so-called fat burning zone) the body experiences a light strain with a heart rate of up to 75 percent of the maximum heart rate. Body fat is already being actively burned here. In zone III (aerobic zone) the body is moderately strained at up to 85 percent of the maximum heart rate. If you train in zone IV (anaerobic zone), the heart rate reaches up to 95 percent of its maximum. In zone V (VO2max range) the heart rate rises to its maximum.
Based on the zone, you can find out what effects training has on your body at a certain point in time. In zone II, you only burn body fat. In zones III and IV, the body builds endurance and converts not only fat but also carbohydrates into energy. Finally, in zone V, you can improve your performance by increasing your VO2max.
With this information, you can adapt your training to your needs and avoid overshooting your goal if, for example, you only want to burn fat during training and not build endurance.
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