Tony Horton
Horton turns 54 on Monday.

Welcome to SportsNation! On Monday, fitness trainer, and creater of P90X, Tony Horton stops by to chat.

Horton, @Tony_Horton, has spent over 30 years in the fitness industry, working with professional athletes, teams, movie stars and recording artists. Eventually his work led to him creating P90X, and one of the most aired infomercials on TV.

In addition to his workout videos, Horton has written two books on fitness, his second "Crush It" came out in May. In September, he will be hosting "Tony Horton Fitness Weekend" at Walt Disney World.

Send your questions now and join Horton Monday at 2 p.m. ET!

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