Why 60% of maximun heart rate for effective fat loss?
This is a huge misconception in the fitness industry. Every kind of training, whether it’s interval or otherwise has the potential to burn fat, it’s how much fat is burned that makes the difference between one activity and the next. You said it perfectly…”any increase in physical activity will mean more calories used = weight loss” Low-intensity exercise is not as effective as high-intesity exercise at burning calories. High-intensity exercise is not as effective (percentage wise) as low-intensity exercise at burning fat calories. Regardless, high-intesity exercise always wins the race at burning more total fat calories in the end. Calories are an important consideration since you need to be in a daily calorie deficit to lose weight. Low-intesity walking typically burns a greater percentage of fat calories than running. For example, say you walk for 60 minutes and burn 300 total calories. The percentage of fat burned for energy usually averages about 70%. When you take 70% of 300 thi