In most workout splits, one to two dedicated leg days per week is common, but it really all depends on your fitness level and ...

Chair exercises for leg strength after 65, 6 no-strain moves from certified trainer Michael Betts, with form cues and sets.

Many of us want to get buff for aesthetic reasons, but building muscle helps health and longevity. It's a myth that you need to spend hours in the gym to build muscle. Exercises such as squats, ...

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

Lee Haney’s back was the factor that led to his 8-year-long Mr. Olympia reign. Aspiring bodybuilders or fitness enthusiasts, ...

Seated exercises after 60 can rebuild muscle fast. Get 4 joint-friendly moves from CSCS Jarrod Nobbe, plus sets and form tips ...

I often have clients call attention to the lower abs as a place they would like to tone. I always remind them that strengthening this area is important beyond aesthetics because strong ab muscles ...

Yoga isn’t the only way to improve your posture—exercises that stretch and strengthen your core, back, chest, and neck can ...

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 ...