Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. While plenty of ...

Although many people aspire to exercise more in the new year, nearly 80 percent of adults fail to meet the recommendation for aerobic and muscle-strengthening activity. To achieve any fitness goal, it ...

Runners tend to think of instability as a condition to avoid or a problem to solve, but adding a dose of wobbliness to your workout is actually beneficial. And one of the best ways to (literally) ...

When people ask me for exercise advice as a fitness writer and coach, my go-to line is: “Go for a walk, have an apple and lift something fairly heavy.” Is this an oversimplification? Undoubtedly. But ...

Now that you've decided to try out strength training, you probably know that the basic idea is utilizing resistance — whether that's with resistance bands, weights, or simply your own bodyweight — in ...