The lean bulk approach that worked perfectly in summer suddenly feels insufficient when December rolls around. Your body is literally preparing for scarcity, even though we live in an age of abundance ...

Looking to tone up your physique for next year? Here’s the healthy, expert-approved way to do it—once and for all.

Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.