Add Yahoo as a preferred source to see more of our stories on Google. Man performing dumbbell overhead triceps extension in mirror. Take a look around at your fellow gym-goers next time you visit the ...

The American Heart Association recommends strength training at least twice a week. Even weight training just once a week can reduce the risk of a heart attack or stroke, one study found! And most of ...

When strong, toned arms are a goal, people tend to focus on the biceps. But the triceps are actually the largest muscle in the arm, making them an essential area to target when it comes to ...

Before you do anything, bookmark this page! It includes over 50 of the best dumbbell moves you can do at home. It's best to have a few sets on hand of varying weights, so you can switch them up based ...

Bodyweight exercises are great. Hello, push-ups! To gain even more strength in your upper body, try adding dumbbells to your fitness routine. Adding weights to your arm workouts means you will start ...

Good things always come in threes: fairy godmothers, parts of a combo meal, boy bands made of brothers (Hi Jonas and Hansen!). So it’s no surprise the most eye-popping muscle in your arms is, in fact, ...

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. Arm day can be one of ...

An upper-body dumbbell workout improves strength and muscle definition through fat loss, also known as 'toning'. It can also help improve mobility and flexibility in these muscles, boosting longevity.