Arm fat can be particularly frustrating. It’s often one of the last areas to respond to diet and exercise, and the first place to show when we gain weight. Whether you’re concerned about upper arm ...

Standing arm exercises after 55 with a CSCS guide to rebuild muscle using bands and bodyweight, joint-friendly and effective.

Seated arm exercises that build muscle after 60, with expert personal trainer quotes and step-by-step form cues.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It can be fun to show off your hard work from arm days in a tank top or a short-sleeve tee. But if your ...

Working on your upper body strength doesn’t have to start and end with a swanky gym membership or rows (upon rows) of weights. In fact, the best 10-minute arm workouts, which can be done at home (or ...

One of the most important arm muscles is the triceps brachii (the triceps, for short). You use your triceps to extend your arm. It opposes the biceps muscle, which is used to flex the arm. You also ...

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. You probably work your ...

If you have ever wondered why your arms seem to hold on to fat even when you are eating well and exercising, you’re not alone. Many people find arm definition particularly tricky to achieve—but ...

Leg day, arm day, ab day—but what about lat day? Lats are the largest muscles in your upper body and the core of any workout routine. Most people use the term lats, but the scientific name for the lat ...

Which exercises are most effective for your pecs? What to know.