I blame the pandemic, injuries, and living in a small apartment for the fact that I haven't had a regular cardio routine for the past few years. Recently, though, my excuses have started running out.

If you equate step aerobics with leg warmers and spandex, well, you’re not wrong—but you’re stuck in the 1980s version of it. As TikTok videos that have amassed millions of views show, the retro ...

In the fitness world, there are three types of people: those who love cardio, those who don’t, and those who also aren’t fans but choose to do it anyway. If I were going to put myself into a category, ...

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 ...