• Jordan Ackerman

    Eric trained my team during our winter off-season months and I have never seen such an improvement in a team’s speed, strength, agility, and athletic movements in all my years

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  • Garth Pleasant

    This past summer we used Eric Maust of Rock City Fitness to work with three of our post players. The results that our players achieved were absolutely amazing.

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  • Karen Degen

    I worked with Eric as my trainer for just over one year before leaving the USA. Having had personal trainers for the past 4 years, and I can adamantly

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  • Dr. Tony Kawa

    I have a unique perspective as a client of Rock City Fitness, as I have a background both as an athlete and health professional. I am a prior college

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  • Dr. James McBride

    I have been training with Rock City Fitness for one year. Eric Maust designed a routine to fit my goals and my schedule. In-home workouts 1-2 times weekly

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  • Gary Wasserman

    Eric is well educated about the body and its mechanics and movement. He is able to create interesting programs that accomplish both general fitness and strength, and address specific

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  • Todd Palmer

    I originally decided to work with Eric to get myself in shape for the Detroit Tigers fantasy camp. Eric introduced me to a whole new style of training that

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  • Chris Fillmore

    In my field of work as a professional motorcycle racer, it is very important to be in peak physical fitness. I need to be able to get on my bike

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  • Matt Wilson

    Eric is an excellent trainer and coach. He has provided me with top-notch instruction and skilled guidance. Through innovative and personalized instruction, I have a leaner, more athletic build. Team up

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  • Amber Declaire

    I have been training with Kristina for over a year and could not be happier with the results I have attained. Kristina is extremely knowledgeable and a true professional.

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  • Steve Kowalski

    Rock City Fitness has improved my quality of life in more than just the obvious ways. First, in the 8 months that I have worked with Eric, my weight has dropped

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  • Dr. Herminia Bierema

    I have known Eric for several years. In the spring of 2010 I hired him to work with my daughter who had a heart transplant and two strokes in October

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  • Group Programs

    1 On 1 Programs

    Meet Eric

    Owner and Head Trainer

    Eric Maust is the owner and head trainer of Rock City Fitness. He has worked in the fitness industry for over 18 years, beginning his career as an intern

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    Rock City Fitness Experience

    The goal of Rock City Fitness is to offer a creative, challenging, high-energy environment that motivates clients to obtain new levels of fitness and self-confidence.

    The heart-beat of Rock City Fitness matches that of its namesake, the City of Detroit. We are striking and beautiful, yet tough and determined. We don't back down and we never give up.

    We are confident that our unique and recognizable brand raises the bar for ...

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