We are positive that you would have surely heard these two terms from your gym buddies - they are either in cutting (lean) or bulking phase. For basic understanding, lean is when people want to look more defined and athletic, while bulk is when people want to add size to their muscle and look more muscular.

We are positive that you would have surely heard these two terms from your gym buddies - they are either in cutting (lean) or bulking phase. For basic understanding, lean is when people want to look more defined and athletic, while bulk is when people want to add size to their muscle and look more muscular.