The most straightforward way that anyone can fight belly fat, is to simply eat fewer calories than they burn. This is what is called maintaining a ‘caloric deficit’ and it basically means that the body needs to burn fat in order to get the energy it needs.
The body is constantly burning energy, not only to allow it to engage in various activities such as walking, jogging or thinking but also to allow it to simply stay alive. That is to say that you need to burn energy for the most fundamental of human bodily functions such as blinking and breathing.
If you are constantly eating, then you are constantly supplying your body with the sugar that it needs. This will remain in the blood until the body is able to use it to power whichever movements are necessary. Failing that, the body will look to stores of glycogen which is kept in the cells. It’s only once both of these energy supplies runs short that the body then needs to start looking elsewhere. That is when it starts to burn fat.
How to Measure and Maintain a Calorie Deficit
If you want to measure and maintain a calorie deficit, then you need to first calculate how many calories your body burns in a given day. This means looking at the number of calories that you burn while inactive (called your ‘basal metabolic rate’) and then looking at how much exercise you do on top of this – making your AMR or ‘active metabolic rate’. There are plenty of different calculations out there for getting a rough estimate of these numbers
Ultimately though, it is actually more effective in most cases to try and work this out using a fitness tracker. While calculations can be useful, they don’t allow for variations from one day to the next. Most of us will find that our active metabolic rate varies tremendously throughout the week and this of course has a big impact on how much you should be eating.
A good fitness tracker will allow you to enter some personal metrics, such as your height, weight and gender, and will then count your steps and measure other activities throughout the day. A device such as the Fibit Alta HR for instance will not only track steps but also monitor your heartrate throughout the day and automatically detect exercises and activities like walks, runs and sports. Using this data, you can then get a much more accurate picture of how many calories you burn daily.
From there, you can then start calculating how many calories are going in. Again, there is technology out there to help you do this. MyFitnessPal for example is a tool that will let you log the foods you eat by entering the calories and ‘macronutrients’ manually, or by simply scanning a barcode in order to add them from a huge database.
If you scan everything you eat through MyFitnessPal – not forgetting the drinks you consume (including alcoholic!) and any smaller snacks throughout the day – then you now have a total number for all the calories you’ve eaten to measure against the ones you’ve burned.
Now all you need to do is to plan your day so that the number of calories coming in stays lower than those going out. Let’s say that you’ve burned 2,300 calories and you’ve eaten 2,200. You can either stop there, or you can try and do some more exercise in order to burn more calories. Either way, you need to keep the first number higher than the second one. If you can do that, then you will burn fat. It’s that simple and it has to work – because there’s no other source of energy for your body to get fuel from.
Maintain a constant caloric deficit of around 200-300 and you’ll slowly lose more and more fat. Remember: slow and steady wins the race!
Except it’s not really that simple. Is it? For starters, there are the kinds of foods you’re eating – the nutrients. Then there is the matter of your metabolism and, you know, life.
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