The phase when an individual purposely focuses on gaining muscle for performance or aesthetic purposes goes by many names - gaining, massing, bulking, muscle building. Following an appropriate training and nutrition program is a very important part of this phase. Simply eating more calories or more protein will not produce more muscle. In fact, if you are not strength training, excess calorie intake will result in gains of mostly body fat, not muscle. The increase in
size is due to a caloric surplus and the shape (body composition) of the individual is influenced by the training. Simply eating more food doesn’t mean that weight will go to the muscle so it’s important to train with purpose.
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