If your gym goals include building muscle or strength, progressive overload training should be your priority. After all, if your muscles aren’t being challenged, they can’t adapt, grow or get stronger ...

As you get stronger, you become able to lift heavier and heavier weights. That's the idea at the heart of an often-misunderstood fitness concept: progressive overload. Unfortuantely, there are a lot ...

Progressive overload is the process of making a workout more challenging over time. Resistance and strength training cause microscopic damage to muscle fibers. As they heal, muscles get stronger and ...

Have you ever experienced a plateau in your progress as a runner? For example, you’ve stopped achieving PRs. Going any further has felt too difficult to master. Or your strength has stalled out. It ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...