ALEXANDRIA, Va. — You might think of operating tables as long flat slabs, but a table used in some orthopedic procedures looks like an exercise machine that locks patients’ feet into what appear to be ...

There’s a lot of debate about weight machines in the fitness world. Some people gravitate towards them because they seem a heck of a lot easier than cranking out some reps with a pair of dumbbells or ...

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 ...