Through a narrow power control of workouts and body weight, we can determine, with good approximation, if an increase in intake of carbohydrate leads to an increase in muscle glycogen or an increase in fat.

In fact, if we increase the daily intake of 1000 kcal with an intake of carbohydrates alone, the subsequent increase in weight can be attributed exclusively to the integration of 1000 kcal of carbohydrates. But how much an increase of the weight depends on an increase in glycogen stores and in the adipose tissue? We can find this value with a good approximation. In fact, we must consider that every gram of glycogen binds to 2.7 g of water and as a gram of carbohydrate equivalent to 4 kcal, 4 kcal of glycogen equivalent to 3.7 g, that is, a gram of glycogen (considering the water) is equivalent to 1.1 kcal. One gram of fat (in our case coming from carbohydrates) is equivalent to 9 kcal, but only binds to one gram of water, to which one gram of adipose tissue (fat with the bound water) is equivalent to about 4.5 kcal . So we can say that the increase in weight due to the ingestion of 1000 kcal is equal to the sum of fat and glycogen storage. We will see how to calculate these individual values.




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