"Shake It Off," the Taylor Swift song you use as your wakeup alarm, listen to while you brush your teeth, and then hear twice on the radio during your commute, matches up perfectly with this footage from the 1988 Crystal Light aerobic championship (a real event featuring Alan Thicke that probably took place in your lifetime, entirely unbeknownst to you).

Dog fitness coaches! Firefighter fitness plan! Hoosier fitness shame! Rihanna fitness secrets! Republican fitness DVD! Bachelor fitness freak! And aerobic fitness sham! It's your Wednesday fitness watch, where we watch your fitness—until we vomit with pride!

Remember "aerobics," that early 80s sartorial nightmare ushered in by Jane Fonda, Olivia Newton-John and Richard Simmons? Well, it's making a comeback in LA's Silver Lake neighborhood, where local hipsters are now sweating it out in spandex, leotards and leg-warmers.