Odgovor Sr okt 18, 2017 18:00

Metabolism

The word metabolism refers to how much energy your body uses, or how many calories you burn in a day.

•Muscle actually has a very low metabolic rate when it is at rest.
•In fact, the heart and kidneys have the highest resting metabolic rate (200 calories per pound). The brain (109 calories per pound) and liver (91 calories per pound). In contrast, the resting metabolic rate of muscles clocks in at just 6 calories per pound, and fat burning just 2 calories per pound.
•But there is an important distinction between resting muscle and recovering muscle.
The estimates of the resting metabolic rate do make one assumption.. a constant rate of protein synthesis.
•However, training will accelerate protein turnover (an increase in the rate of protein synthesis and breakdown), which is going to increase calorie expenditure in the hours (and, in some cases, days) after exercise.
•And there are studies to show that the more muscle you have, the more calories you’ll burn after an intense workout.
•When exercise ends, it takes time for everything to get back to normal. Depleted glucose and fat stores need to be refilled. Damaged muscle cells need to be repaired. All of this requires energy.
•And the more rebuilding that has to be done, the more calories are being burned after your workout is over!
•Or to put it another way, while the metabolic rate of resting muscle isn’t as high as previously thought, the metabolic rate of recovering muscle means that people with more muscle mass are going to burn more calories in the post-exercise period!

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