The 40 Biggest Fitness Gurus of All Time

Celebrity fitness gurus first came to prominence in the 1980s thanks to the popularity of straight-to-video home workout programs. Notable names like Jane Fonda and Kathy Smith taught classes from studios, acting as trainers in homes everywhere. Exercise and fitness infomercials also reached peak mania during this time, which turned spokespeople into celebrities themselves.

Since then, workout DVDs and reality TV shows have continued to keep fitness at the forefront of entertainment. Do you remember these 40 names? From 1980 to present-day, they are some of the most popular celebrity trainers in the country.