A brisk walk on an empty stomach is a popular method to burn fat. The theory behind it is sound, but the science is lacking. Is there a better way?
The body mobilizes and uses its storage, body fat, when we burn more energy than we take in through food all know. The idea of low intensity burning workout as a brisk walk before breakfast, is to ensure that the energy you burn during their walk really comes from body fat and not from the food you just stopped by itself.
After a meal break gastrointestinal down the food we have eaten and releases energy and nutrients in the blood for transport to the organs, muscles and fat deposits. Blood sugar, blood lipids and the concentration of various transport molecules in the blood increases temporarily while the industry transported to where it should be. Only after that the food in the stomach is up, the industry in the blood has been absorbed, and blood sugar and insulin stabilized at its normal fasting level enters the so-called post absorptive phase. It is in this phase we have the best potential to burn fat.
Why is it like that? One can mimic the body’s various fuel substrate at a person’s finances. Blood glucose is the fastest available energy equivalent to the money you have in your wallet. Glycogen stores in the muscles and liver corresponding savings in a savings account. Body fat that contains a lot of energy but will take time to mobilize is like your house, your apartment, or any other asset. Now, there is a cost, your burning workout. No one would sell his house to pay the expense for as long as it has loose money in your wallet! Only when the money in the wallet is finished, we start looking at that chip away at our reserves, savings, assets. It is similarly when glucose and glycogen stores are running low as fat loss seriously starting to become a reality.
Therefore walk bodybuilder and physics enthusiast in the morning, before breakfast. Yesterday’s food has long been absorbed, blood glucose and glycogen stores are low after the night fasting. The body is in the post absorptive phase and we charge a large amount of energy is now the body has no choice but to break down body fat to meet the expense.
The mistake can easily do in this reasoning is that only take into account the energy used to the promenade, which is a small part of today’s energy needs, about 250 calories per hour for a normal weight person. The body burns energy around the clock, even at rest, so really it might not play any role in the case, just walk is powered by energy from body fat and you then eat breakfast, or breakfast’s energy burned by the promenade and, in return, go deeper into the fat burning later when breakfast’s energy well is depleted. Research has at least not been able to establish that training in the fasted state, burning more fat than the same exercise with food in the stomach.
Another suggestion is to take their combustion walk after the evening’s last meal. This would mean that nutrients from today’s last food intake quickly moved away from the blood and can then spend all night in the post absorptive fat burning phase. Fat loss is not now dependent on the measly 250 calories you with much effort and great difficulties can burn during a fasting walk. Instead, the promenade as a lever to put the body into fat burning mode, which then leaves it during the day’s longest fasting, night sleep.
Bit contradictory, it is perhaps a similar effect that makes you not scientifically unable to show a difference between fasting cardio and cardio with food in the stomach. Fasting Cardio burns fat, cardio after the food makes the body more quickly, switch to fat burning after eating, and then stay there for longer. Research like the aforementioned, where it does not show any difference between secured cardio and cardio with food in the stomach, does not show that morning walks is not working, quite the contrary. It is rather a question of walking with food in the stomach, contrary to what everyone expected, also works!