Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Leslie Sansone’s walk at home videos have millions of views on YouTube. Their popularity isn’t because they feature brand new exercise moves or chart-topping music, but because the fitness personality ...

You don't need expensive equipment or a gym membership to develop strength, burn fat, and achieve a leaner physique.

One popular fitness expert shares the best home ab workout and 7 intense lower ab exercises, for a combination that hits your entire core. Lower abs are a common challenge; targeted workouts can be ...