Imagine you’ve just completed a tough upper-body workout. Your muscles feel a bit tired, but all in all, you’re able to go about the rest of your day just fine. The next morning, you wake up and ...

Post-workout muscle soreness is common after intense or new exercise, but it doesn’t have to derail your routine. Experts say ...

It was, of all things, a Reddit post that changed the trajectory of Casey Johnston’s life in 2013. Up until that point, her workouts and diet were informed by tips from magazines, radio and other ...

A doctor said powerlifting helped her boost her mood and energy while building muscle. She said two exercises can save you ...

Soreness is a fact of life in fitness. Importantly, however, Samuel notes that there is a difference between the burn you ...

Zachary Gillen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Because strength training builds more muscle than walking, stop every five to 10 minutes on your walk to bust out a few reps ...

What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Stacey Colino is a Maryland-based writer and author who specializes in health and psychological issues. Her work has appeared in the Washington Post and in dozens of national magazines, including ...