Strong back muscles can help reduce pain, increase mobility, and improve posture. These at-home exercises can help you start ...

Exercises to improve muscle tone after 55, 5 daily moves from a CPT to look firmer fast, without heavy lifting.

Understanding the functions of all the muscles in the back is complex, but training them does not have to be. The muscles of the back help us do everything from standing up straight and opening doors ...

While show muscles like abs, pecs, and biceps may hog the spotlight, your back comprises some of the most important muscles in the body for structural support. The best back exercises help stabilize ...

Standing exercises to build upper body strength after 50, guided by a certified trainer, to improve posture and muscle tone.

If you want to boost your longevity through strength training, but you're unsure of where to begin, here are the top ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Repeated exercise, or wasting, can change the way key genes work.

Get step-by-step instructions for chair exercises for arms that build strength, improve mobility, and support everyday ...

Most people train their core with good intentions but poor results. Endless crunches, rushed planks, and random workouts ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...