No official requirements or standards of physical training existed until the fitness boom of the 1980s.

In light of the fitness boom, there certainly is a ready market for these entrepreneurs.

According to analysts at the Gallup Poll, the fitness boom has peaked.

In more ways, she may be like the woman next door who plunged, head-first, into the fitness boom.

Not surprisingly, America's infatuation with salads runs parallel to the fitness boom.

However, the popularity of the diet industry did not wane as it was boosted by the fitness boom during the 1980s.

Exercise machines are the latest in the fitness boom, suitable for an aging, family-minded generation.

Starting in the 1970s, and aided by the fitness boom of that decade, the sport's popularity increased to an estimated 3.1 million players by 1974.

The popularity of this look also coincides with the fitness boom.

The first mass-market book about running, it is considered to have helped start the fitness boom.