FAQs
For many adults, moderate-intensity exercise is about 50–70% of maximum heart rate, while vigorous exercise is about 70–85% of maximum heart rate. Maximum heart rate is commonly estimated as 220 minus age.
Zone 2 usually refers to a lower to moderate training intensity where you can still speak in short sentences. It is often used for endurance, general fitness, and longer cardio sessions.
A heart rate may be too high if you feel chest pain, severe shortness of breath, dizziness, faintness, or unusual pressure. Stop exercising and seek medical help if symptoms are severe or unusual.
Yes. Medicines such as beta blockers can lower heart rate response during exercise, so heart-rate-based zones may not be accurate for everyone. In that case, perceived effort and medical advice are more useful.
