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Underground Fitness at 9714 N 7th St, Phoenix, AZ offers a personalized fitness experience with a focus on individual goals. Trainers such as David, Roxanne, and others provide tailored workouts that ensure effective and safe progress. Members appreciate the knowledgeable and motivating staff who customize plans for various fitness levels and body needs. The gym maintains a welcoming and hygienic environment, making it a preferred choice for many looking to achieve their fitness goals.

The supportive community and commitment to personal training over standard equipment-focused gyms mark Underground Fitness as a standout. It's particularly suitable for those needing accountability and a structured approach to fitness. With flexible scheduling and professional trainers who build trust and confidence, it's clear why many members have found success and loyalty here.

Pros:

  • Highly personalized training plans.
  • Trainers are knowledgeable and motivating.
  • Welcoming and friendly environment.
  • Safe and effective workout routines.
  • Clean and well-maintained facility.
  • Great for all fitness levels.
  • Flexible scheduling to accommodate busy lives.
  • Strong focus on accountability and results.
  • Nutrition counseling available.
  • Community-oriented atmosphere.

Cons:

  • Not open 24/7.
  • Limited space due to smaller gym size.
  • Music selection may not suit everyone's taste.

Location / Contact

Rating Stats

4.9

out of 5.0

1 reviews
5.0
79 reviews
4.0
0 reviews
3.0
0 reviews
2.0
0 reviews
1.0

Reviews (80)

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I’ve struggled keeping myself accountable and actually staying on workout plan for awhile now (which I’m sure many ppl can relate). I tried multiple bigger gyms and I always got intimidated, didn’t know where to even start, and I would go for a week and then just slowly stop going. I wanted a smaller local gym that could help me stay accountable and help me reach my fitness goal and Underground fitness has done just that. My trainer David is super nice, knowledgeable, and definitely pushes me to reach my max potential! :) I’m almost a month in and I’m already feeling better and stronger. Would definitely recommend to anyone at any stage :)

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I spent a lot of time researching and interviewing multiple locations; I finally landed on underground fitness, and I'm glad I did. I had David Forbes as a personal trainer and couldn't have asked for a better coach. He was exceptional. Not only did he help me perform workouts with proper form to reduce strain on my body, but he also gave me great tips on tracking calories and techniques for maintaining goals. The Gym itself is immaculate, has excellent equipment, and is non-crowded. I would highly recommend underground fitness and David Forbes.

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If your looking for a trainer that listens to you and your goals, Underground Fitness is the place. Even with all my limitations, Dori is attentive, tough and knowledgeable. She is always prepared and ready to help achieve your goals. I am very thankful to have her as my trainer.

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Roxanne is a great trainer! She is knowledgeable, friendly and professional. She pushes me within my limits and she is very encouraging. I feel safe that she will protect my past injuries from re injury and I'm feeling stronger and healthier already and looking forward to continued results. The gym is very clean with nice equipment. I like that it's not a huge, crowded place and there's lots of professional and personal attention.Abby

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This place is amazing and very accommodating to my hectic work schedule. I was really struggling with motivation to workout, especially when covid first hit last year but the trainers took the time to listen and understood what I wanted and worked with me to help me achieve my goals.

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What was the problem you were having before you started with us? Finding a normal and healthy eating schedule with my crazy work schedule.What did the frustration feel like as you tried to solve that problem? I was not eating hardly at all but when I would eat it was all junk.What is different about your journey this time? Ron has helped me nutritionally more than I thought he would finding meals that would get me through the day without losing muscle massWhat kind of changes have you seen already in your journey? Definitely my energy and eating habits have changed a lot.How is it impacting your life?I’m still struggling with my work and eating schedule but it is way better than when I started and I myself and friends can see changes.

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I used to have a lot of neck and low back pain from a car crash in 1979. For more than 30 years I tried a multitude of treatment and exercise programs with limited success. I started working with the trainers at Underground Fitness in 2015, and within six months realized my pain was dramatically reduced, and that has continued to improve ever since. So, less pain, more strength and balance, and look better -- a pretty good return on the investment!

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I am 59 years old and needed to get back in shape. Just a few years ago, I completed the Summit to Summit challenge in Phoenix. When I started with Underground Fitness in November, 2020, I don't think I could have climbed one hill, let alone a mountain.I have used trainers in the past. But it had been a few years. I have not been able to create my own workout plans or truly stay on my diet. I wasn't able to workout and be accountable for myself, by myself.As a result, because I watched my calorie intake, my weight had remained about the same for the past several years. But any muscle gains I had with my prior workouts and training had long since been lost. My weight was the same, but the lost muscle weight had been replaced by huge fat gains from a sedentary lifestyle. My waist continued to grow. 7 years ago, my BMI was about 13%. When I started with Underground Fitness in November, 2020, it was over 30%.I needed to change. I needed to find someone that could create the necessary workout and diet plans. I needed someone to hold me accountable.I have used trainers in the past, but my current schedule would not allow for me to go to their facility 3 times a week. I needed a workout and diet plan that would be workable within my schedule. I was fortunate to find Underground Fitness. With the help of my trainer, Shane, the changes I have made the past 12 weeks have been amazing.Shane got my diet on track... really easy with a readily available app on my phone and just staying on it. Shane then created a workout that works with my schedule. I do resistance training 3 days a week for no more than 40 minutes. Two of the sessions are at home with the equipment I have available combined with bodyweight exercises. The 3rd session is every Saturday at their facility.With those Saturday workouts, Shane goes through what worked and didn't work for the week, and we plan the following week.I just completed my 16th week. Where most people are concerned with weight loss, that was never my goal. I knew if I ate correctly and worked out, I would put on muscle. I knew that in putting on muscle, my metabolism would increase and the fat would bleed off. What I didn't expect were the crazy changes in my body shape.At 59, I was not expecting to "bulk up." But I am getting defined musculature. In 12 weeks, I only "lost" 7 pounds. But, I also lost almost 3 inches in my waist and have had to alter or buy clothes. My current waist is what I had in high school.I am no longer fatigued during a workout. I don't get the afternoon blues. Working out is hard, but fun again. And, although my body doesn't recover like it did 20, or even 10 years ago, we have continued to adjust my workouts to work around any problems or issues that have come up.Underground Fitness developed the workout and diet plan that I needed. My trainer has worked with me to identify personal goals and develop a plan to get there. And, with my weekly accountability session, I am hitting those goals.There may be other trainers or facilities out there, but I can vouch for Underground Fitness. They have exceeded my expectations.

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In the past 5 weeks I have noticed a big change in my strength and physique. The personal trainers Kelsey and Rob are brilliant at what they do. They will size you up based on your sport and goals, creating a personal Workout Program/meal plan that will get yea what you need. Plus the payments are very flexible.

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I knew I needed to do something different, but couldn't pull it off. It wasnt just something I thought would be good for me - I really needed to make some changes. Before I started at Underground Fitness I was having some health problems, swelling in ankles, first time ever cholesteral levels were off, couldnt get weight off. I was continually frustrated as I have always considered myself to be in pretty good shape, and have always eaten pretty well. I had also been out of the gym for over a year like everyone else because of COVID and missed feeling strong and energized. I kept glancing over at Underground Fitness when I would drive or walk by their bulding wondering if someone in there could help me out. Finally one day I decided to go in and ask what they were all about.Underground Fitness was the life change I didnt know I could make. Working with Ron on shifting how I eat, schedule my life, and prioritizing my health before other aspects of my life has made all the difference. And then add in completely personalized workouts with Matt in a safe and clean environment. I have had some injuries along the way they both have gone above and beyond to make sure I have the support I need to reach my goals and then some.Staying on target with water, protein intake, sleep, and healthier portions of food has resulted in steady weight loss and more energy. I have lost almost twenty pounds in the last three months (and am still losing) - a steady decrease despite not being in the gym for a good chunk of that. My cholesteral, glucose, and other vitals are all in line again. No more swelling in my legs. I find that I think about food differently and the way that I am eating is not a stretch - I still love to cook and am able to make pretty much any kind of food that I feel like eating. I am walking more and moving more during the day - I feel better. I am learning how to work out and strengthen myself without triggering old injuries (wasnt able to do that with my workouts before). All of the changes I have made are a way of living that works and that I can sustain.The bottom line is I feel better. The payoff of investing in myself and my health has been growth in my mental, physical, and emotional health far beyond what I hoped for when I first walked in their door. They care, they listen, they have worked with me through all my injuries - they have helped me change the way I live my life.Can't thank them enough.

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Frequently Asked Questions

Except the peak hours, this place remains quite free or moderately crowded.

This business has a rating of 4.9-star.

This business has 80 reviews.

The address is: 9714 N 7th St, Phoenix, AZ 85020, United States .

The contact number is +1 602-910-2550

This service is listed under Personal Trainer .

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