It all depends on your body and the workouts you do.

A study suggests that only an hour of strength training a week can build muscle. Here's what to know—and how to craft your own muscle-boosting routine.

Many people believe muscle growth slows down too much after 50—but fitness experts say that’s far from the truth. With the right approach, building strength and staying active is not only possible, ...

Rachael DeVaux, a registered dietitian, hits her daily protein goals with overnight oats, protein smoothies, and meat sticks.

Once you've found a strength-training routine that works for you and you've committed to doing it two to three times a week, you'll be eager to see results — so when do the noticeably chiseled arms ...

The push-up (or press-up, or push-up, take your pick) is the do-everything, no-kit exercise for the upper body – and maybe one of the best overall exercises you can do, period. Every body is different ...

Overhead presses, lateral raises, and other movements target the deltoid muscle to improve shoulder stability, increase strength, and build muscle mass.

Exercises to rebuild muscle after 55: a certified trainer shares 5 daily dumbbell moves to train full-body strength.