Gunnar Peterson Quotes
Don't show up late.
Don't try to slide out early.
Don't cheat your rep counts.
And definitely, don't hold back.
Leave it all in the gym!
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Gunnar Peterson is an American personal trainer best known for his work with professional athletes and celebrities. He is also an author, speaker, creator of major fitness programs, and developer of fitness equipment with a focus on functional training. His known best students are Dwayne "The Rock" Johnson and Billy Dee Williams.