Sometimes in life, you really can't beat the old stuff. Old friends, old tunes, old movies - we love them all. And when it comes to working out, it seems we're partial to going retro too: indoor step ...

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 ...