9714 N 7th St, Phoenix, Arizona 85020
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Metabolic Assessment in Phoenix

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Maximize Your Results With Our Metabolic Assessment Program

What's the first thing you think of when you're drawing up a new workout routine in your mind?

You're going to go hard a few days a week, you're going to carve out a few rest days, you're going to start eating a little better.

And that's it. The results will follow, right?

At Underground Fitness, we're here to show you that there's a little bit more to it than that. With our Metabolic Assessment program, we're giving everyday men and women the chance to better understand their bodies and better identify the most efficient and effective path to success.

We're giving Phoenix access to cutting-edge tools like Resting Metabolic Rate (RMR) testing and VO2 Max testing, helping you master every aspect of your workout routine.

Fill out the short form on your screen to learn more today!

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Master Your Resting Metabolic Rate With Our Metabolic Assessment Program

It sounds like a dream but the truth is, our bodies are burning calories all day long - even when we're just sitting around. You burn calories just maintaining your body's everyday functions but like with everything else, not two bodies are the same.

Our Resting Metabolic Rate testing is designed to help you better understand your body's average output and to understand the caloric intake that your body needs for maximum performance.

At Underground Fitness, we're proud to work with athletes all across Phoenix. Our RMR testing is great for:

  • Complete beginners planning for a path to success
  • Endurance athletes looking for an edge
  • Men and women hoping to get the most out of dieting
  • Everyone who wants to better understand how their body works

PLUS, Our Metabolic Assessment System Includes VO2 Max Testing

Say you've got a specific goal in mind. Maybe it's fat burning. Maybe it's strength building. Maybe your entire focus is on long-lasting endurance. Each goal requires a distinct focus on achieving an optimal heart rate.

Our VO2 Max testing is giving athletes across Phoenix the chance to intensify the precise heart rate you need to succeed and then build your workout routine around it.

At Underground Fitness, we're helping athletes of all ages and abilities:

  • Reduce the risk of overuse and injury
  • Achieve their body's maximum output
  • Exercise with astounding efficiency
  • Take on your training program with more confidence than ever before

Join Us Today For Our Cutting-Edge Metabolic Assessment Program

If you're looking for a better way to maximize your workout routine and get the very most out of your body, join us here in Phoenix today and treat yourself to our renowned Metabolic Assessment system.

Fill out the short form on your screen to learn more about everything we have to offer here at Underground Fitness.

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Be the Hero of Your Own Story With Underground Fitness!

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Fitness near Phoenix

Carl Newsome

I, like most overweight people, have tried EVERY DIET imaginable with very little success. After years of battles and struggling, my weight reached my all-time high of 425 lbs in 2020 and I felt absolutely sick. I decided I had to do something. Much like everyone does, I cut out some foods and started light cardio. I started losing weight almost immediately! The first 50 lbs melted away pretty quickly, but then I plateaued. I was stuck. I started counting calories and adding more movement with no success. Luckily, I saw an ad on social media for Underground Fitness. That is where I met Gavino and Tripp. Both are excellent trainers. From day one, they pushed me and kept me accountable. Today, I weigh 235 lbs and I am still losing weight steadily. We have adjusted my goals and constantly adjust my strength training to push my limits and continue to make gains! My next goal is to break that 200 lb mark, and I feel confident that I will achieve that with Underground Fitness. Here, I’m not just a barcode that comes and goes. If I don’t show, Gavino is calling or texting me. He pushes when I need him to and doesn’t allow any excuses! That’s what has worked for me, and I have been able to stick with it for this long. I can’t say that about any other workout regiment or gym membership!
Fitness near Phoenix

Robbi Laker-Tall

I was the 73 year old, sedentary, frail widow who decided it wasn’t too late to make a major change in my lifestyle. I spent months investigating gyms, yoga studios, different modes of exercise programs and finally found a trusted connection. Tucked in the southwest corner of 7th St & Mountain View is a petite building that houses Underground Fitness. Yes, good things come in small packages and even better are the big results from their expertise. My trainer, Roxie, does more than just instruct, she demonstrates and explains each exercise. I feel safe as she optimistically cheerleads me through activities using a wide variety of equipment. Even my friends have noticed my improved endurance, stamina, and toning. Underground Fitness is my get-fit., feels like home, personal gym. I’m optimistic about reaching my goals and setting new ones.

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