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. The upper back is an ...

While some of us would love to have the toned arms of Jennifer Aniston (my personal arm inspo celeb), training the muscles in ...

Back muscles are essential for posture, movement and injury prevention. A combination of varied pulling exercises will help ...

A certified trainer shares 4 standing moves that target tricep weakness and address bat wings after 60 without heavy weights.

You might love leg day (we do, too!), but you’re selling yourself short of the major health benefits associated with training your upper body if you’re constantly opting for hip thrusts and squats.

This quick, 4-exercise back and biceps strength workout will torch your upper body, sculpt your physique, and strengthen your ...

Senior Airman Kyle Honeycutt, 432nd Operations Support Squadron aviation management airman, performs one-arm dumbbell rows in the Predator Fitness Center at Creech Air Force Base, Nev., Dec. 11, 2014.

Manisha Koirala, 55, recently took to social media to share a few glimpses of her gym workout, in which she can be seen ...

Credit: Resistance bands are an underrated piece of fitness equipment in my opinion. They can build strength just as well as ...

When you're in need of a quick workout and don't have any equipment available, you have to rely on yourself. And we quite ...