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

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 ...

Stop relying on bulky gym machines that isolate your muscles; standing functional patterns are the secret to rebuilding a ...

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 ...