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Underground Fitness Personal Training in Glendale, AZ, offers a unique and personalized fitness experience. Located at The Citadelle, this gym provides a focused environment, catering to individual fitness goals with the help of expert trainers like Kasey, Dave, and Trisha. Clients appreciate the tailored workout and nutrition plans that ensure maximum results. The trainers are dedicated, motivating, and knowledgeable, creating a supportive community that stands out from traditional gyms.

Members have seen significant transformations, from weight loss and improved strength to enhanced mental clarity and confidence. Flexible hours accommodate busy schedules, and the friendly atmosphere makes everyone feel welcome. Whether you’re a beginner or a seasoned athlete, Underground Fitness offers a customized approach to meet all your fitness needs.

Pros:

  • Personalized workout and nutrition plans
  • Knowledgeable and motivating trainers
  • Significant transformations and results
  • Friendly and supportive community
  • Clean and welcoming environment
  • Flexible hours suitable for busy schedules
  • Tailored exercises to suit individual needs
  • Focus on both physical and mental well-being
  • Expertise in injury rehabilitation

Cons:

  • Higher cost compared to big box gyms
  • Requires a commitment to see results
  • Sessions can be intense and demanding

Location / Contact

Rating Stats

5.0

out of 5.0

90 reviews
5.0
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4.0
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3.0
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2.0
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1.0

Reviews (90)

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If you're like me ...and Life Happened...20 pounds heavier than you want to be and unhappy with yourself...then you'll want to read this review!Last November my oldest daughter said she was getting married and I decided that all the excuses I'd been making had to stop!!I called Underground Fitness, Glendale, AZ...made an appointment to go in for my free consultation and workout session and the rest is history. They put me on a comprehensive - (do-able diet) and set me up on an intense exercise program with Alec Allan. 3 months later my posture was amazing, I'd lost 20 pounds, and my muscles were becoming more defined.I've worked with trainers in the past but never gotten the results I wanted this quickly.You'll want to call Underground Fitness today and in 4 months you'll be the one writing the review.Patty S.

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This is the gym and personal training service that I have been looking for!! I've had incredible results and was able to obtain them with my busy schedule and frequent travel. My trainer, Dave Bess, has helped me not only learn how to work out smarter, not harder, but also taught me how to use food as fuel for my body. No more going hungry on "dieting." Now I can eat all day and still maintain a healthy weight.

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My name is Dr Torsten Stein and I am the owner of Stein Chiropractic. I started going to underground fitness for the convenience: they are just across my office.But I quickly realized what a great place this is. Let me explain: I used to be a professional basketball player and know a thing or two about working out.But my 2 trainers (yes I do use Jon D. and David B.) on different days are working on the total package for me. They work on stabilizing my joints and specifically my spine and core as well as muscles in general. In addition they monitor my nutrition and help me build muscle.I now can do things that I couldn't do in decades. Thanks to their training I am more flexible, can now hike again and have way more energy than before. But I don't use more time training; I am training smarter.My wife works out with me as well and I recommend it to every patient I have.Great place!

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I have been a member and client of UF for over 5 years. This group of trainers are not only very professional, but they truly get to know you and your body so they can create a fitness plan to meets YOUR needs. When I first started with Dave Bess, I had a very bad lower back. I could barely tie my shoes without sitting down. It took about a year, but slowly Dave helped me strengthen my lower back and core to a point that I am now able to do heavy squats, deadlifts, bent over rows and tie my shoes with any problems. Dave help changed the quality of my life 1000%. If you are serious about your fitness and want to have fun, then UF is the place for you!

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I have been going for over month now. My schedule is 2x a week with my trainer Jake. Jake is awesome. He makes the workouts fit me and he does challenge me. He has a tough client on his hand, since I have a bad lower back, Valley Fever, and fungal meningitis. Love that he reads up on my condition and figures out how to keep me activity, motivated, and get me back into shape. The gym has all the equipment you need to work out and it is a nice chilled atmosphere. Everyone there is super friendly!

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I have never stepped inside of this place before, but it's been life changing for me. My husband walked into underground fitness last March to kill time while I was getting a massage next door. He met Dave Bess, an amazing trainer at this location. He helped my husband set up a training and meal plan, but his commitment to my husband goes much further than that. They text each other everyday and my husband reports his successes and struggles. Dave is an encourager and motivator. He also likes to kick his ass during some sessions, especially when my husband tells him he's taking a cheat day or not following the plan during vacation time. My husband has tried exercise and diet things his whole life with minimal longterm results. He is learning skills and habits that will last a lifetime.I'm writing this review today because together they set a plan last March for my husband to lose 50lbs by 50. He met his goal this week. That's 3 months prior to his birthday.Underground Fitness and Dave Bess have been the most amazing blessing we ever could have prayed for. I truly believe that he has added years to my husband's life and changed the quality of his life forever.

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I have been coming to Underground Fitness-Arrowhead going on 6 months now. I have lost almost 60 pounds since coming here and following Dave's meal plan. I love the inviting environment and friendly attitude of the staff here! I get an amazing workout each and every time that I walk through the doors. I would highly recommend Underground Fitness to anyone looking for a gym!!

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I have never worked out before and after 7 months postpartum, I decided to get back into shape. Being in the gym is completely out of my element. Seeing those machines and weights are pretty much intimidating for me. So I was looking for a more intimate set up and a more personal approach. So I gave underground fitness a try. I must admit I was scared with my first consultation with Alec. On the contrary he was very welcoming, I explained to him my current state. Alec was very detailed with all his explanations as to how I can achieve my fitness goals. Alec has huge enthusiasm, he is really good with what he does and makes working out more enjoyable. Two months after, I am very pleased with how much weight I have lost and how my mind has changed just by embracing this new lifestyle. What an immense pleasure to have Alec as my trainer. I have been greatly enriched by his input, expertise and knowledge. If you are looking for an amazing place to work out, excellent trainers and willing to put in the work- give underground fitness a go. You will not regret it.

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The absolute BEST personal training gym I've ever been to. The trainers are incredibly knowledgeable, challenging, and time flexible. I've had better results from attending the small group session 2-3 times a week, than when I've attended 5 times a week at other gyms. My trainers, Dave and Jake, always mix up the workouts so they're always physically challenging and fun!

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I am a busy Mom to a 10yr old daughter and 8 yr old triplet boys. I just completed my 225th work out at Underground Fitness, Glendale. Dave and Jon are amazing trainers and more importantly just great friendly guys. They always listen to my needs and they helped me achieve my fitness and nutrition goals after having my 4 kids! Their extensive knowledge of flexible dieting is a great bonus. I am in the best shape of my life and I have them to thank for encouraging me to keep going. Even on the days I feel the worst, I just go and always come out feeling less stressed and stronger. My husband has seen how happy I am and how far I have come and he has also started training with Dave and Jon. Life changing!

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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 5.0-star.

This business has 90 reviews.

The address is: 19420 N 59th Ave e505, Glendale, AZ 85308, United States .

The contact number is +1 623-215-6891

This service is listed under Personal Trainer .

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