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Check out the Kindle book we published—a simple but insightful 20 minute read about high intensity exercise! It's not the calories burned DURING exercise. It's the calories burned AS A RESULT OF exercise.

A Few Words from Clients

Lindsay Ell's Little Workout Secret

Don's Bone Density

Ginny – More Strength and Better Cardio Helps Us Travel

Huston Saves Time AND Gets an Amazing Workout

Minnie Doesn’t Like to Exercise but Gets Results

Matt – Less Body Fat More Muscle

Ashlee Got Her Time Back

Don Stays Motivated to Push Himself

Regina Gets Results and Saves Time

Charlene Exercises to Stay Mobile and Independent

Paul – Strong, Mobile, and Best Round of Golf Ever

Julie – No More Back Pain

Brice's Awesome and Quick Workout

Brooke – Achieving Results

Bill – Safely Getting Results

Anna Gets Her Time Back

Read more client success stories and learn about our Fitness Formula

don g review

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Brian J. Original Review

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My body is completely destroyed. It's like packing a week's worth of workouts into 10-15 minutes. I recommend trying it out.

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Peter D. Original Review

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Better health through science! First workout today. 6 minutes later and I felt like I often did after an hour of workouts in the gym. What I look forward to is seeing my progress over time

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Denise Z. Original Review

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OMG! Love this workout and the people who guide us through it! Twenty minutes just one day a week and so happy with the results!

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Jackie W. Original Review

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My husband and I have been working with Josh at Quantify Fitness and have seen amazing results. Not only do we have improved muscle mass, less body fat and improved stamina, but the time saved by working out less, gives us more time for date nights. I highly recommend to everyone I know!

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John Z. Original Review

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Best Workout Ever! The Quantify Team provided me the best exercise experience of my life.

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Lisa T. Original Review

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My first workout at Quantify Fitness was as effective as I had imagined. Nashvillians are fortunate to have access to advanced technology such as ARX and Vasper by choosing this forward-thinking gym.

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Jason H Original Review

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Great staff and effective methods for busy people to train efficiently

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Kristy Lynn F. Original Review

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This is for real! Maximum workout benefits in 10 minutes! YES! I call this my “Working Mom Work-Out”! There's even a kid area! I'm hooked.

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Brian H. Original Review

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I was slightly skeptical about the whole 10 minute thing. Wow! Fantastic! I'm a believer. Started out with the leg press. 1 set and my legs felt like rubber. Takes 6 sets of heavy squats to get that same feeling.

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Joshua R. Original Review

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Awesome Experience! Top notch facility, trainers, and equipment. This workout is for everyone and can help reach your goals. Very welcoming and helpful to this “future of fitness” as I called it while I was there. They are a one stop shop for health and fitness. Definitely check them out.

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Cora M. Original Review

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Wow! One visit and I am a believer. Finally a good workout that doesn't require hours at the gym. I am already looking forward to my next workout…ONE WEEK…yes I said ONE WEEK from now.

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Michael R. Original Review

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Went to my first complimentary session. Josh and staff as well as location are awesome. Looking forward to my next visit.

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Loise W. Original Review

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This is outstanding! I have done this for the last 2 months and totally love going. When I leave I can hardly walk and feel like jello but the next day I feel awesome! I am 62 yr old female couch potato, post hip replacement and have COPD. If I can to this for 5 minutes a week, you can too! I actually have muscle tone again!

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David S. Original Review

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Really was not sure what to expect and figured how could I possibly get a full work out in just 10 minutes. Well, I was proven wrong big time! The 3 exercises I did; leg press, chest press, and row, took all of 10 minutes and I felt like I was at the gym for an hour.

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Angela F. Original Review

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Advanced gym equipment, knowledgeable staff, hard quick workouts! If you don't want to spend hours at the gym, this place is for you. Convenient location, too!

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Rick W. Original Review

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I would have to bust my a$$ to get a workout like that in a traditional gym and would take a ton longer. We were both skeptical at first but after experiencing this workout I wish I had this idea, no doubt it's real.

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Amanda N. Original Review

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2 workouts in the books and I am really impressed so far! It's kind of hard to believe (i didn't until I tried!) that 3 movements in under 10 mins can give you a total body workout that's so challenging.

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I love everything about this place! This morning Josh (the owner) took time to help me with some weight loss goals. His knowledge of percentages, the right fat/protein/carb ratios to work on and crave busting suggestions helped me get refocused on reaching my goals.

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Sean M. Original Review

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Quantify Fitness is AWESOME!!! If you want the most intense “weight” workout I've ever experienced, in 30 minutes (including shake-out time afterwards) then look no further. Quantify Fitness blends the passions of health and physical fitness with science and extremely high-tech equipment.

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Andee R. Original Review

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I was introduced to Quantify at 6:45am in the morning by Erin D. The next day I was amazed at how sore I was and knew I had to try again.

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Amazing machines! You’ve never worked this hard for this short a time before.

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Michael C. Original Review

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We have been twice now and are believers. It delivers and leaves you feeling like you spent hours in the gym when in fact it's only taken 10 minutes.

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Jason C. Original Review

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It only takes 10 minutes to accomplish more than you would at an hour in a regular gym! Safest resistance training I have ever seen. You can work hard without fear of injury!

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Charles J Original Review

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Awesome workout bring your A game

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Working out for 10 minutes a week?… that's what I'm talking about! lol. You know, it's been great! My wife was just commenting on my thicker legs and my shirts are getting a little tight.

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Gavin M. Original Review

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I hardly ever write reviews but with this I am compelled to do so because of the massive results I have achieved in a very short span of time. This workout is not only intense but the most effective I have ever experienced.

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Marc D. Original Review

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I travel a good bit and working out is difficult. I was a skeptic – but after running through a couple workouts at Quantify I am sold. Kicked my butt after a few minutes. 10 minutes of this stuff is no joke.

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Andrea K. Original Review

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I love this workout! I wasn't sure what to think and I was a little skeptical to think a 10 min workout would show results. But even after the first time at Quantify, I am totally sold!! You can feel all the muscle groups being worked and it's just a really enjoyable, fast, effective workout!

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Terry H. Original Review

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We have been working out with Josh once a week for around eight months and have nothing but good things to say about Quantify Fitness as an efficient way get fit and Josh as a trainer. I love the 10 minute workout once a week. I have changed the way I eat and live dramatically and you probably will too…Trust me, you will not regret making the decision to try it out. It doesn't matter your age or what kind of shape you are in, at Quantify Fitness you will learn more than you can imagine and improve the quality of your life immensely.

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Chris K. Original Review

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Josh and his staff get it! They are so dialed in to what works the most efficiently, it will be much easier to stick with it and attain results. Thank God for the science, the revolutionary technology and most of all the personal commitment they have to their clients. I cannot recommend them more highly!

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Carey J. Original Review

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Really great way to stay fit with a busy lifestyle.

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Brian M. Original Review

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I frequently travel to Nashville on business and look forward to testing my strength at Quantify Fitness each trip. As a data-driven person, it's fun to see my progress mapped out over each consecutive visit measured in the maximum and sustained force I exerted. I'm driven to beat my personal best and leave with motivation to keep working hard.

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The best workout you will have in the shortest amount of time, hands down. It truly is the future of exercise. I believe everyone should try this place!!

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Rachel S. Original Review

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What a great workout! It felt like I spent 45 min in a HIIT class but I was in and out in 16 min. Josh is very patient and informed which was great because I had alot of questions. The machines where are awesome and I can easily work it into my pretty crazy schedule.

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Kiersten P. Original Review

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I had NO idea what I was walking into being a 10 minute workout... I was BLOWN away by the exhaustion I had after just the first block of lifting. I left completely shaking!
For those of you who “think” you’re in shape- come here, this workout will eat your lunch....and then laugh as you cry.

Cannot wait to do it again! Thank you for the complimentary session!

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Ashley B. Original Review

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Such an incredible workout! The technology is amazing and the staff is so knowledgeable. I love that I'm able to get my workout done in less than 10 minutes and when I say workout, I mean WORKOUT. If you haven't tried it, you're missing out and so is your body!

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Andee R. Original Review

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Ran a 5K without pain for the first time in years! Thx @QuantifyFitness for helping me get my strength & fitness back

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Iveylee T. Original Review

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I consider myself pretty athletic- love HIIT training, yoga, weights, and a recent 1/2 marathoner but I feel my muscles shaking after 5 minutes of exercise. I've had 2 kids and some of the intensity of the exercises reminds me of labor!! Can't wait to try again

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At first, I had a lot of hesitation to join this gym. I'm 39 years old and after going to this gym for 9 months, I have never seen results like this before. I thought there was no way that a 20 minute workout could be as beneficial as the staff was telling me. This is hands down the best gym I've ever been involved with. The gym and staff are absolutely amazing but the results are unbelievable. Before joining this gym, I used to go to a regular local gym and workout for 2 hours a day at least 4 times a week. I now only go to this gym 3 times a week and spend no more than 30 minutes each time. I recently went on a 5 day backcountry hiking trip carrying about 50lbs of equipment/water. Usually I would prepare for these hikes by doing specific exercises at the gym however, I specifically relied only on these workouts to give myself a real life gauge of the shape I was in and to put the workouts to a test. We hiked about 47 miles with 16,000 feet of elevation change and I wasn't sore at all (other than some blisters and my shoulders on the last day from the straps on my bag). My overall strength as shown both through this trip and the actual comparison of results shown to me each time I work out, are crazy. My leg press alone has honestly more than doubled in 9 months! On top of that, the cardiovascular benefits I gained due to using both the VASPAR and the CAROL bike (each once a week) were one of the most impressive parts of this whole process. I was hardly out of breath even with a steady incline most of the time on the hike. Also, I about a month ago, I decided to go to a boxing gym and hit the bag to see how long I could last. I lasted 7 three minute rounds while also doing a 60 second plank between the rounds. I haven't been able to do that since I was in my 20s. It's hard to believe that these workouts work as well as they do but I can 100% vouch for them. Due to the nature of the workouts, I am constantly pushing myself to beat my results week after week. After 9 months, I am still continuing to see improvement. I can honestly say that I am in the best shape of my life.

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Michael G. Original Review

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Unlike anything I've ever tried. Check it out!

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Sandra T. Original Review

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This workout is legit! If you're looking to elevate your workout ‍ you should check this place out. My hubby and I had a great workout with Eli. He's awesome!

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Tamberine C. Original Review

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I love the atmosphere of this place!! The staff is incredibly friendly and helpful. Very chill and all smiles. I went there for neurofeedback and was very impressed. Thank you so much!

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Mell F. Original Review

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I've never done a review on Facebook, but I feel compelled to do one about Josh and Quantify Fitness because they have made a real difference in my life. 8 months ago I decided it was time to make some changes…for me.

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Eric A. Original Review

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Best workout in Nashville!! The ARX machines are a total game-changer. I can get an entire week’s worth of strength training done in less than 15 minutes. The facility is beautiful and you can tell that the staff have gone above and beyond to create the best gym in Nashville. They’re super knowledgeable about all the cutting-edge science that powers these workouts, and it’s obvious that they’re passionate about helping people reach their goals. Next time I’ll definitely be checking out the infrared sauna and Joovv room!

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If you think exercise is about socializing and/or doing some version of the electric slide for an hour, this isn't for you. If you're about maximum efficiency with maximum efficacy, this is the best solution on the market.

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David A. Original Review

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I strongly recommend this place, it has gotten my cardio up to a level I haven't had in many years, if ever. I do Vasper twice a week and ARX once, and after not running a single time in a year, I went and did a charity 5k last week and ran it 5 minutes faster than a year ago at the same charity event. Also, in my weekly bootcamps I attend (Shed Fitness), my rating on the cardio part went from barely intermediate to advanced, and I can only attribute that to the work I'm doing at Quantify. Thanks Josh and the amazing team!

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Carolyn J. Original Review

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Great workout! Definitely could feel it the next day, but in a good way. Josh was great and fun to work with!

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Chris W. Original Review

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My qfit journey so far: 1st Rep: This is cool, I am strong! 3rd Rep: “Please make it stop! Why are you doing this to me?” After workout/day of: “Not sure I am going to make it./What have I done to myself?” Day After: “It hurts…

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Sarah C. Original Review

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I was semi skeptical that a 10 minute workout could do anything, but waking up barely able to get out of bed from being so sore has convinced me! I wish I had found this sooner.

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Aaron K. Original Review

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I joined Quantify Fitness 7 weeks ago after initially being skeptical. My strength is up about 25%, but more interestingly my run times have improved dramatically.

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Curtis D. Original Review

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This place is AWESOME!! Super quick workout. I do crossfit 3-5 times a week for an hour... 6 minutes here and I was beat and was so sore and missed class the next day. Theses machines are a bit pricey but you only need 1 day a week. Super nice staff too, they talk you thru it so you don't feel intimidated. It's a must try!!

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Harry H. Original Review

⭐⭐⭐⭐ OK, I had my second workout and could not believe the progress in just one week. I improved on all three exercises (leg press, chest and back).

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Josh and team are incredible. You gotta stop in for the free trial sessions. Nothing else like it.

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Drew F. Original Review

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Great experience! Would highly recommend.

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Ashlee B. Original Review

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I am a physical therapist. And I was hesitant if not skeptical when I was first introduced to Quantify.
But, I'm a believer now!
Quantify is the gym of the future. Utilizing the latest in sports medicine/fitness technology, Quantify sincerely makes it possible to work out SMARTER not LONGER or HARDER.
We've been members for over a year. And along with the recommended nutrition plan (that the staff is all very knowledgeable about) within my first 3 months, I lost 7% body fat and gained 5 lbs of lean muscle. And I've been able to maintain. As a 45-year-old woman that used to work out 7 days a week at a very high intensity - this is a wonderful and welcomed change!
Highly recommend!

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Abby D. Original Review

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I have to be honest, I was a little skeptical going into the 10-minute workout because all my life I've never been told you only need to workout 10 minutes a week. After doing my first 10-minute workout with Quantify Fitness my mind was blown! I left feeling like I ran 6 miles and then some. I was sore for days after and it honestly was the best quick workout I've ever done. I'll definitely be going back!

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Rima T. Original Review

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OK.! Definitely works!

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Forrest L. Original Review

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This is a SCIENCE gym. Sure you can be Rocky and punch hay bales but treat yourself. Be Ivan Drago. Harness the power of modern science. Great results, great folks.