Jason Weitzner MS
Owner, Certified Muscle System Specialist,
Certified Medical Exercise Specialist
Certified Muscle System Specialist, Jay Weitzner, co-founded Symmetry Exercise Clinic in Naples, Florida in 2013. He was driven by a passion to help his clients move better and feel better. While his career began in 1999 as a personal trainer, today he spends the majority of his workdays as a Certified Muscle System Specialist helping clients with musculoskeletal and movement issues.
Jay holds a Bachelor’s and a Master’s in Exercise Science/Human Performance with an emphasis on exercise physiology. He is a Certified Medical Exercise Specialist through the American Academy on Exercise (ACE).
He became a Muscle Activation Techniques certified specialist through Muscle Activation Techniques and a Resistance Training Specialist (RTS) through the Resistance Training Specialist program. He became the second Certified Muscle System Specialist by way of Greg Mack of Exercise Professional Education.
Clients range from kids to seniors, office workers to active athletes, and everyone in between. If you are not moving freely or held back by pain, stiffness, or injury – and you are not satisfied with the medical outcomes or options you have been given, Jay is ready to help. Give him a call today to schedule a consultation.
Certifications And Continued Education
December 2022
MEDFIT Arthritis Fitness Specialist Course
This course is designed to provide fitness and medical professionals the knowledge needed to safely and effectively design and implement exercise programs for arthritic populations. Offers an in-depth understanding of various types, symptoms, and causes of arthritis, as well as how it affects joints and organs in the body. Examines exercises to create safe and effective fitness programs that will improve range of motion, flexibility and strength, to expand the overall health and wellness for your clients.
December 2020
ACE Fitness Nutrition Specialist Course
This specialist course covers determining what level of guidance is appropriate and how to individualize nutritional information for clients of different ages, health status, and fitness goals. It teaches how to coaching clients to embrace change in their day-to-day lives takes special skills and knowledge. It is based on evidence-based nutritional and behavior-change strategies to help your clients develop life-long dietary habits, leading them to better health.
October 2019
Advanced Certified Muscle System Specialist Course
This 3-day course covers the relationship between sensations, control, and materials. Decision making, problem-solving, and thought processes will be covered in real-time throughout the course. All screens will be reviewed and updated.
August 2019
ACE Certified Senior Fitness Specialist
Comprehensive understanding of how the physical, emotional, and social aspects of movement can help people over 55 increase longevity and boost the quality of life.
October 2018
Instructor for Exercise Professional Education
Teaching the 1-day introduction course to Muscle System Specialist program called, “Rethink Your Career by Rethinking Exercise”.
September 2018
Exercise and Inflammation – Johnny Cooke Bio-Academics
Precision Human Performance, Chicago, IL. Full-day workshop, to gain a proper understanding of the molecular mechanisms involved in an inflammatory response. Understanding acute and chronic inflammation and their effects on both performance and health. Additional topics include exercise prescription and dosage, overtraining syndrome, bioenergetics, and risk factors of human disease.
April 2018
Certified as Muscle System Specialist, Greg Mack – Exercise Professional Education
The general purpose of this program is to educate Exercise Professionals on a system and philosophy and methodology that integrates the Muscle System Specialist skills, marketing, sales, data collection, legal, client education, and medical communication into a streamlined delivery model that accelerates the learning and delivering of Muscle Health and Exercise Services at a higher level.
March 2018
1st Official Naples Muscle System Study Group
- Decision Making.
- Mode usage analysis.
- Specialist-Client relationship development.
February 2018
Motor Control: Intervention Strategies for the Exercise Professional
- “Manual Muscle Testing: Art and Science” review
- Qualitative Manual Assessment of Motor Control (QMAMC) review.
- Isometrics, miometrics, and plyometrics review.
- Practical Application of the QMAMC.
April 2017
Client Intake Graduate Class, Greg Mack – Physician’s Fitness
A deeper exploration of decision making, session strategy and planning.
January 2017
ACE Certified Medical Exercise Specialist (CMES)
CMES specializes in training clients who oftentimes suffer from a variety of chronic medical conditions. The CMES certification provides specialized, comprehensive knowledge in medical fitness. This helps guide clients to more effectively prevent and manage disease. The CMES is positioned as a critical link between clinic and community. Clients include post-rehabilitative clients recovering from cardiovascular, pulmonary, and metabolic and musculoskeletal conditions. The CMES is trained to identify postural imbalances…
December 2016
Muscle System Consortia, Greg Mack – Physician’s Fitness
Weekend four of Muscle and Exercise Specialist Client Intake and Practice Management Course. This interactive weekend covers respiratory function, eye function as well as decision making and data collection.
July 2016
Muscle System Consortia, Greg Mack – Physician’s Fitness
“Manual Muscle Testing” – Art and Science: An Exploration of its History, Physics/Mechanics, and Utility in Practice.
April 2016
Muscle System Consortia, Greg Mack – Physician’s Fitness
This 6-hour private class focused on advanced thought processes and application of Muscle System function improvement.
February 2016
Muscle System Consortia, Greg Mack – Physician’s Fitness
Force and the Nervous System 1: Principles of Human Motion
September 2015
Muscle System Consortia, Greg Mack – Physician’s Fitness
4-Part Training. Muscle and Exercise Specialist Client Intake and Practice Management Course. This course covers advanced thought process from the initial client phone call to treatment prescription and post-treatment strategy.
March – June 2015
Master Workshop: Spine and Trunk
This course places an emphasis on the advanced evaluation of the spine and trunk using the MAT knowledge and skills obtained in the JumpStart and Internship courses. There will be a good mixture of lecture and practical application.
February 2015
Master Workshop: Foot
This course places an emphasis on the advanced evaluation of the Foot using the MAT knowledge and skills obtained in the JumpStart and Internship courses. There will be a good mixture of lecture and practical application.
September 2014
Advanced Attachment Site Exploration & Navigational Positioning: Foot
This course places an emphasis on an advanced exploration of the specific attachment sites of each area of the body and learning how to navigate boney landmarks to ensure specificity when doing Digital Force Application to Muscle Attachment Technique (DFAMAT). The majority of this class will be hands-on practical application and exploration of boney landmarks and attachment sites.
September 2014
Master Workshop: Lower Body
This course places an emphasis on the advanced evaluation of the Lower Body using the MAT knowledge and skills obtained in the JumpStart and Internship courses. There will be a good mixture of lecture and practical application.
May 2014
Advanced Attachment Site Exploration & Navigational Positioning: Lower Body
This course places an emphasis on an advanced exploration of the specific attachment sites of each area of the body and learning how to navigate boney landmarks to ensure specificity when doing Digital Force Application to Muscle Attachment Technique (DFAMAT). The majority of this class will be a hands-on practical application and exploration of boney landmarks and attachment sites.
May 2014
RTSM (Mastery) Science – Physics, Biomechanics, Progression, prescription, & Cadaver
This four-day course focused on the science of Physics, biomechanics, progression, prescription, as well as thought process development
July 2013
Evidence-Based Strength and Conditioning:
The Who, What, Where, and Why of Exercise and How to Prescribe and Administer it successfully. Strength, power development, aerobic and anaerobic metabolism, exercise prescription, special populations, injury rehab, nutrition, and weight management strategies, coaching and administration, physical fitness testing.
June 2013
Recertification – NSCA Certified Personal Trainer
National Strength & Conditioning Association Certified Personal Trainer Course.
June – October 2012
Master Workshop: Upper Body
This course places an emphasis on the advanced evaluation of the Upper Body using the MAT knowledge and skills obtained in the JumpStart and Internship courses. There will be a good mixture of lecture and practical application.
January 2010
Advanced Attachment Site Exploration & Navigational Positioning: Upper Body
This course places an emphasis on an advanced exploration of the specific attachment sites of each area of the body and learning how to navigate boney landmarks to ensure specificity when doing Digital Force Application to Muscle Attachment Technique (DFAMAT). The majority of this class will be a hands-on practical application and exploration of boney landmarks and attachment sites.
January 2010
dotFIT Certification
- Science & application of weight control (gain, loss, and maintenance.
- Science & application of nutrition.
- Science & application of dietary support
July 2009
RTS 3 The Exercise Experience™
- The value of your training sessions is directly related to the experiences you provide.
- Master the customization and strategic manipulation of all the factors that comprise the Exercise Experience™.
- Explore the surprising myths and realities of kinetic chains, muscle imbalances, and stretching.
- Master Strategic Variation® and hone the skills of teaching exercise to increase your value as a true Exercise Professional.
November 2008
RTS 2 Strategic Resistance™
- Every form of exercise is resistance exercise.
- Learn why a 10-pound weight is not 10 pounds of resistance.
- Experience how the numbers on the weight are no indication of the forces on your body.
- Improve joint forces, optimize outcomes, and enhance the Exercise Experience.
October 2008
MAT Internship
- To educate all segments of the health industry on the benefits of Muscle Activation Techniques™
- To offer new opportunities for the advancement of careers within the health industry
- To train specialists across the country in order to make Muscle Activation Techniques™ available to anyone that experiences pain or injury
2007
RTS 1 Strategies, Precision, and the Functional Continuum®
- Becoming an expert is ALL in the details.
- See why there’s much more to exercise than just training motions.
- Learn which “functional” exercises are not functional at all.
- Learn why all types of exercise boil down to joints, resistance, and muscular response!
September 2008
RTSM (Mastery )Lower Extremity – Physics, Biomechanics, Progression & Prescription
This three-day course focused on the Physics, biomechanics, progression, prescription, as well as thought process development associated with the lower extremity
September 2006
Lower Extremity Mechanix and Cadaver Study Via Bio-Dynamix
This course focused on advanced biomechanics application and included a cadaver study
April 2007
Earned Master’s of Science
Exercise Science/Human Performance with a focus in exercise physiology
May 2006
MAT Jumpstart – Lower Extremity
This course teaches how to objectively evaluate, identify and eliminate biomechanical imbalances; Became certified as a Jumpstart Trainer
July 2006
RTSM (Mastery) Spine and Trunk – Physics, Biomechanics, Progression & Prescription Trunk
This three-day course focused on the Physics, biomechanics, progression, prescription, as well as thought process development associated with the spine and trunk
February 2006
MAT Jumpstart – Spine and Trunk
This course teaches how to objectively evaluate, identify and eliminate biomechanical imbalances
April 2006
MAT Jumpstart – Upper Extremity
This course teaches how to objectively evaluate, identify and eliminate biomechanical imbalances
February 2006
Greg Roskopf on Functional Exercise and Training
This course focused on the application of MAT
December 2005
RTSM (Mastery) Science – Physics, Biomechanics, Progression, prescription, & Cadaver
This four day course focused on the science of Physics, biomechanics, progression, prescription, as well as thought process development
November 2005
Paul Simica on Functional Exercise & Training
This course focused on the application of MAT
June 2005
Lower Extremity Mechanix and Cadaver Study Via Bio-Dynamix
This course focused on advanced biomechanics application and included a cadaver study
May 2005
RTS – Practical
This course was attended to maintain my RTS certification. Its focus was the hands on application of physics, progression, and prescription
May 2005
RTS – Lecture
This course was attended to maintain my RTS certification. Its focus was on physics, progression, and prescription
February 2005
RTS – Lecture & Practical, Resistance Training Specialist
Became certified as a Resistance Training Specialist via Institute for Exercise Mechanics
September 2000
NSCA Certified Personal Trainer
Certified as a Personal Trainer via National Strength & Conditioning Association
June 1999
Bachelor’s of Science, Exercise Science
Major in Exercise Science/Human Performance.
Minor in Psychology
