Ever wondered what the best way to optimize your workout for muscle growth and strength is? Science might have an answer that ...

In this new study investigating muscle memory, participants trained for 10 weeks and then took a break, and then resumed training. Here is what the researchers found.

Skip the gym. These 9 at-home moves help women 40+ tone crepey arms and build firmer, more defined upper-body muscle fast.

Keeping your right arm straight, lower the left dumbbell to your chest then press it back up. Do that twice. Then keep the ...

Building big arms is a common gym goal—but you'll need to focus on these four muscles: the deltoids, biceps, triceps, and forearms.

You don’t need fancy equipment to tone and strengthen the muscles in your arms. Body weight exercises like planks, pushups, and arm circles can help you get the job done anytime, anywhere. Arm ...

When people think of having strong, toned arms, they tend to focus mainly on building biceps—the meatier part of your arms. But the triceps—the three-headed muscles in the back of your arms ...

Hold a dumbbell in each hand and rest upper arms on the floor with elbows bent at 90 degrees. Upper arm should form a 45-degree angle with your body. Extend right arm up above shoulder under straight.

These muscles are some of your secret weapons for pulling yourself up with power and control. But let's be real, a lot of women skimp on upper body training, opting for leg day over arm day, which ...