Tip: If you are a beginner and just starting to exercise, don’t do a high-intensity aerobic interval program for more than 12 minutes. If you feel unwell, please reduce the intensity or stop and rest.
Tip: If you are a beginner and just starting to exercise, don’t do a high-intensity aerobic interval program for more than 12 minutes. If you feel unwell, please reduce the intensity or stop and rest.