I had a thought and I would like some more knowledgeable people with stronger theoretical background to correct me on this.
Facts (please correct me if these are wrong):
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Tabata and HIIT cardio. They burn carbs DURING the exercise. But raise the metabolism and you burn much fat AFTER the exercise.
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Heavy lifting. It burns carbs DURING the exercise. But raises the metabolism and you burn much fat AFTER the exercise. It also tells the body that the muscles are necessary to complete a difficult task. So the body preserves or builds more muscle.
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30-60 minutes SS-cardio is the most efficient way to burn fat DURING the exercise. It does not help you burn fat AFTER the exercise. We know that it is not good for the muscles.
So I am thinking. Could it be that whenever we exercise, we signal the body what kind of nutrients (carbs, fat, protein) we need the most? So the body will alter the metabolism. During rest it will try to store the needed nutrient and it will prefer to burn the others?
Let?s see how this would apply to the 3 previous cases:
Tabata and HIIT cardio. They signal the body that CARBS are needed the most. So the body will alter the metabolism. During rest it will try to store carbs and it will prefer to burn fat. (In this case I am not sure what happens with protein. Are Tabata and HIIT dangerous for the muscles? Or the high intensity tells the body to keep the muscles?)
Heavy lifting. It signals the body that CARBS and PROTEIN are needed the most. So the body will alter the metabolism. During rest it will try to store protein and carbs and it will prefer to burn fat.
30-60 minutes SS-cardio. It signals the body that FAT is needed the most. So the body will alter the metabolism. During rest it will try to store fat and it will prefer to burn carbs and protein.
So can we conclude that if we want to build muscle and make our body burn more fat, we should lift weights, do HIIT or Tabata cardio and NEVER do SS-cardio.