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 ...

Traditional lifting often fails as we age; discover the "continuous tension" method that firms skin and muscle without the ...

Why some of us have sculpted, toned and visible muscles and some of us carry a little more flab depends on a lot of factors. Part of it is how and how much you work out, explains Todd Schroeder, ...

As you age past 65, restoring muscle tone isn't just about lifting heavier or spending hours on gym machines. Your body responds exceptionally well to functional strength patterns that integrate ...

Squats, deadlifts, and other exercises that target the legs can specifically strengthen and tone the thighs. For some people, losing weight may also help boost muscle definition. Various types of ...

Most everyone has the ability to increase strength and muscle tone to some degree, but few have the genes to develop large muscles and the super-cut look often seen on models and actors. To achieve ...