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 ...

While I typically stick to traditional gym sessions, group fitness classes, and paid workout streaming subscriptions, I needed to switch up my routine this fall after a hectic few months. This summer ...

Drumming up running motivation this time of year can be as mentally challenging as mile 20 of the marathon. Between limited daylight, frigid temps, and iced-over roads, there are tons of compelling ...

A typical weekly split routine when training hard with calisthenics and/or weights is the Push-Pull-Leg Split. In this, for the first three days of the week, you do all the upper-body exercises that ...