Hard gainer

Not every hardgainer is naturally skinny or has a thin bone structure, but many do. […] Being hardgainers doesn’t mean there’s anything wrong with us. We’ve just got genetics that are helpful in slightly different circumstances. For instance, we’re good at keeping cool while running long distances in the hot sun.

Although most new lifters build muscle quickly, some “hardgainers” fail to gain any muscle whatsoever. […] In this article, we’ll explain what newbie gains are, how they cause such rapid rates of muscle growth, how to take advantage of the phenomenon, and how to avoid becoming a “hardgainer.”