When you exercise, your body either burns carbohydrates or fat. Which is burnt depends primarily on the intensity of the activity. However, when thinking about losing weight, calories are calories and fat is burnt even when you are resting. There are many misunderstandings when it comes to fat burning and this article is going to bust some common myths once and for all.
The myth: The body only uses one fuel source at a time
The facts: This is a common misconception that has been believed by many exercisers and their instructors too for a long time. In actual fact, the body is constantly relying on energy sourced from both fat and carbohydrates. The ratio does differ from time to time however. Just sitting here reading this article you could be burning approximately 55% carbs and 45% fat, but the key point is that you aren’t burning much of either because only a very small amount of calories are required to sustain your current activity level.
Should you be inclined to stand up out of chair or couch and start Cutting sarms dancing or doing start jumps then your body would be required to supply some energy quickly to fuel your dance moves. In doing so the ratio could shift to maybe 75% energy being sourced from carbs with only 25% coming from fat. If some of your favourite songs then came on and you carried on dancing then in order to conserve the supply of carbs (which may be exhausted quickly) your body would begin to shift the ratio once more to maybe 65% fat and 35% carbs. In terms of energy efficiency it can really pay to be fit as some one who is super fit is able to make the shift much more quickly and additionally the ration of fat being burnt is likely to be higher too – maybe up to 75% fat.
In the real world however, these percentage really don’t mean an awful lot and don’t make much practical difference when it comes to shifting pounds. Usually athletes tend to have low body fat levels not because they burn more fat for fuel, but because they take part in their particularly activity or sport up to three or four hours a day – doing this obviously uses up a lot of calories. For almost everyone, if they had the energy, fitness and most of all time to exercise three hours a day being overweight wouldn’t be problem. The simple fact is that to really lose weight, your body needs to burn more calories than you consume everyday. Regular exercise is the primary way to burn a lot of calories. With regards to weight loss, what really matters is how many calories you burn, not so much whether they are sourced from fat or from carbohydrate.
The myth: Low intensity exercise like walking is better for burning fat than high intensity exercise like running