Aerobics

Aerobics word association - Lycra, Spandex, headbands, striped outfits, jiggling flab, overenthusiastic instructors, Flashdance, sports bras, bike shorts, bad music, Richard Simmons, and in 1982, Jane Fonda's Workout Book topped the best-seller list.

The 80s brought the dawn of the Evian/bottled water phenomenon and the ultimate icon was Olivia Newton-John jiggling about in leotard and legwarmers (a fashion also much favored by Pat Benatar) singing "Let's get physical". Yes, lets!.

In 1985, 20% of Americans participated in aerobics.