Intermittent fasting is a strategy that has become very fashionable in recent years and which consists of reducing what is known as the eating window, which is nothing more than the period of time in which we eat throughout the day. Intermittent fasting is not a diet, but rather a change in eating patterns. It only affects the timing or moment in which the food is consumed. This change in the eating pattern has been widely studied in recent years, and therefore it is convenient that you know everything that happens in your body when you carry it out if you want to try it. The first hours after fasting It is not that anything significant happens during the first hours of fasting, since the body keeps its blood glucose levels stable using the food that has been previously ingested, and also through, which is the process by which glucose is broken down—the glycogen. Glycogen is an essential metabolic fuel and is stored primarily in the liver and muscle tissue. The first to be used in periods of inactivity is the liver. As the hours go by, the secretion of glucagon by the pancreas increases. This hormone has the opposite function of insulin, that is; Raises blood glucose so that it does not drop to dangerous levels. Glucagon continues to promote the breakdown of glycogen and also the breakdown of triglycerides into fatty acids so that they can also be used for energy. Intermittent fasting when you exercise At a theoretical level, the degradation of triglycerides is the reason why it is said that exercise. In contrast, fasting can promote fat loss, but what has been seen is that when exercising while fasting, you lose less during the rest of the day. Fat and the final effect are the same in both cases. As the hours go by, if we are carrying out any physical activity, we will continue to degrade part of the glycogen, but this time it will be muscle glycogen. If this muscle glycogen is greatly reduced, and we intend to carry out strength or hypertrophy training later on (which are highly dependent on glycogen), performance may be impaired, so it may not be the most convenient to do this type of muscle glycogen. Of fasted workouts. In any case, this glycogen degrades in a localized way, so if, for example, we have to walk for a long time without eating, it may be better to train the torso that day. During all this time in which we do not eat anything, we will not be stimulating the synthesis of muscle proteins either, and for this reason, we should consider having some high-protein food on hand to eat quickly after training. Intermittent fasting and hunger Finally, some people may experience some hunger and anxiety due to a possible increase in cortisol, ghrelin, and other orogenic, hormones and neuropeptides. This is something very relative, since there are people who suffer this effect and yet there are people who suffer a totally opposite effect; they feel more satiated by eating larger but less frequent meals and end up developing a better relationship with food. You will likely experience some hunger during the first few times you carry it out, so try this method if you want, but do not dismiss it at the first chance, as it can impact you very positively. In Vitoria | Intermittent fasting for beginners: the basics you need to know to lose weight.
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