How come you don’t gain muscle even when working out if you have a calorie or protein deficit. Maybe my understanding is an oversimplication but I thought muscle growth was from repairing tiny tears you get from working out. If these tears still occur why does growth not occur? Does it occur? Does it just happen but less efficiently?
In: Biology
You can still gain muscle on a calorie deficit. It takes energy to build muscle, calories are energy. So you either need to eat more (calorie neutral or surplus) or you need to break down fat reserves for energy (calorie deficit). It is generally more difficult to build muscle in a caloric deficit but it is still possible as long as you eat enough protein and don’t have too large of a caloric deficit (at some point you wont be able to build muscle and also other bad things will happen, large caloric deficits are dangerous).
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