What contributes to muscle gain?

Muscles grow for several reasons. First of all – loads. When a person goes in for sports or simply does hard physical work, the muscle fibers begin to break. This is a normal process. They soon begin to recover in greater numbers. Due to this, they increase. They also need a lot of protein. It is he who forms new muscle cells. If you stop playing sports, then soon the muscles will return to their previous state due to regression.