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

For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper ...

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 ...