Career Certified Professionals
Join 2000+ happy clients
“I’ve struggled for a few years to lose menopausal weight and Jay has accurately gotten me on a great path to success and I’ve made steady progress in a short amount of time,”
Michelle Karlik
“Jay does a great job developing a personalized plan to address your issues. Just after the first visit, I felt improvement with my hip and knee issues! He knows his stuff! I highly recommend him.”
Anabel Natali
I’ve been on a wellness journey, and weight training was the missing piece. Working out with Gen has been vital to my progress! I highly recommend Symmetry Exercise Clinic for anyone looking to elevate their health.
Sarah McWilliams
Persistent pain, stiffness, or trouble moving the way you want. We find where your quality of control breaks down and rebuild it, so daily life feels easier and you get back to what you love.
Regain and improve your health and fitness so you can look the way you want and continue to live the life you want.
Most places work on the spot that hurts or hand you a generic workout. We don’t. At Symmetry, we look at your entire muscle system how well you move, control, and tolerate activity and use exercise as a precise, individualized process. Whether you’re easing pain or building real capability for the years ahead, the goal is the same: move better, feel better, and tolerate more.
Backed by over a decade of clinical exercise experience, helping Naples move, train, and age well.
Most training plans hand everyone the same routine and promise fast results that fade. We work differently. Progress happens slowly, it can continue for decades, and it disappears when you stop. So we build training that is sustainable, effective, and does not hurt you, made specifically for your body so you can keep going for years.
We build your strength by loading the muscles the right way and taking stress off the joints. That means you can keep getting stronger for years, without the wear and tear that ends most training plans.
Before we push you, we use a proven methodology to understand exactly what your body is ready to train and what it is not. So your program challenges you where it should and protects you where it counts.
Whether you want to get stronger, leaner, move better, or stay capable as you age, your process is built around you, not pulled from a template. That is what makes progress you can sustain for decades.
We do not just hand you workouts. We coach you to execute each movement correctly and set clear, realistic expectations for your results, because knowing what real progress looks like is what keeps you training for the long haul.
-Jason Weitzner
What we do takes far more than a gym certificate. Our specialists hold advanced degrees, clinical certifications, and decades of focused study in how the body moves, produces force, and tolerates activity. That depth is exactly why we help people other approaches could not.
Co-founded Symmetry in 2013, with a Bachelor’s and Master’s in Exercise Science. Only the second person ever certified as a Muscle System Specialist, and also a Certified Medical Exercise Specialist. Leads the pain and mobility side and instructs other professionals in the method.
Certified Personal Trainer
A lifelong athlete who trains the whole body, not single parts. AFAA certified and trained through the Resistance Training Specialist program, with Precision Nutrition and arthritis fitness certifications. Known for custom crafting every session around the client in front of her.
A former Exercise Physiologist with a Master’s in Exercise and Nutrition Science. Found his way to this work after a Muscle System Specialist solved his own back injury when nothing else did. Works with both pain and mobility clients and traditional fitness goals.










(220+ Reviews)
Client, Naples
After a car accident, I had been to chiropractors, pain management docs, and a massage therapist. I got temporary relief but nothing lasted. After seeing Jay just one time I noticed lasting relief. Within two weeks I was 70% better.
Client, Naples
"For a year and a half I suffered from sciatic nerve pain. Within two weeks, my pain decreased dramatically. He has since moved me into a weightlifting regimen, and my sciatic nerve pain is headed toward non existence."
Client, Naples
I began biweekly personal training with Gen over four years ago. Today I am not only in my best shape ever, my entire body feels stronger and balanced. Jay and Gen identified the areas that needed strengthening, and now I get a total body workout with special attention to my back and shoulder.
Client, Naples
After a car accident, I had been to chiropractors, pain management docs, and a massage therapist. I got temporary relief but nothing lasted. After seeing Jay just one time I noticed lasting relief. Within two weeks I was 70% better.
Client, Naples
"For a year and a half I suffered from sciatic nerve pain. Within two weeks, my pain decreased dramatically. He has since moved me into a weightlifting regimen, and my sciatic nerve pain is headed toward non existence."
Client, Naples
I began biweekly personal training with Gen over four years ago. Today I am not only in my best shape ever, my entire body feels stronger and balanced. Jay and Gen identified the areas that needed strengthening, and now I get a total body workout with special attention to my back and shoulder.
Whether you are dealing with pain that will not quit, trying to get stronger, or wanting to stay capable as you age, the first step is simple. We will help you decide whether Muscle System Specialist work, Personal Training, or both is the right place to begin,
Persistent pain, tightness, or stiffness that other approaches have not solved. We find where your quality of control breaks down and rebuild it, so you move and feel better.
Get stronger, leaner, and more capable through a smart, individualized exercise process. Built around what your body is ready for, so you keep progressing for years to come.
Symmetry Exercise Clinic is an exercise clinic in Naples, helping people ease pain, build strength, and age well through a precise, individualized process.
Call or text during clinic hours.
We reply within one business day.
1750 J and C Blvd Ste 10, Naples, FL 34109, United States
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