Unless, of course, you're Matthew Modine in Vision Quest, in which case a sauna suit will help take you all the way to the state championships.
8. Bodysuits and leotards
For real, could someone please explain the resurgence in bodysuits and leotards? They certainly don't make anyone look better, so how, in actual fact, do they improve a workout? Don't they give you camel toe and wedgies? Isn't it harder to take a bathroom break? Isn't head-to-toe spandex uncomfortable? So many questions, so few answers.
9. Kangoo jumps
Like The DISQ, Kangoo Jumps have their place, and that place is most certainly in a group fitness setting where you can jump and prance while blending in with a herd of likeminded, weirdly hoofed humans. Unless, of course, you're very brave. Then, by all means, go it alone.