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Jonas Chiropractic Correct the cause of your pain. More often than not, the soft tissue (muscle, tendon or ligament) component of the condition is overlooked or under appreciated. Whether there has been a traumatic injury or a slow growing condition due to overuse, abuse, the normal aging process, or post surgical pain/swelling; the soft tissues go through their own degenerative changes that must be treated very specifically. Damage to these tissues result in adhesions, trigger points, muscle cell inhibition, weakness, ligament laxity, reduced blood & lymph circulation, and compensatory changes in the regional and remote structures.

We are Certified in ART, Chiropractic Biomechanics, FMS, Pose running, and are Certified by the National Strength and Conditioning Association as CSCS. We have coached swimmers, basketball players, soccer players, tennis players, runner and triathletes. We pride ourselves in understanding the human body and it's movement. We combine chiropractic manipulations, soft tissue techniques such as trigger point work, cross-friction message, ART, therapeutic modalities, as well as video analysis and functional and strength training to help you reach your goal. These can be manipulation, stretching, strengthening, cardiovascular exercise, or any other modalities needed to thoroughly cover all the bases. Our multidisciplinary approach leaves no stone unturned. Our approach is as unique as you are.
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Services If you are a runner, we must take into account your gait, an ice skater, your core and ankle stability, a volleyball player, your ability to absorb the pressure of high velocity jumping, a horseback rider, the strength in your adductors and how they balance with their opposing muscles. We begin by understanding what you do, analyze your Functional Movement Patterns (we are certified FMS Specialists) as they relate to your sport or daily activity, evaluate your posture to ensure equal and correct balance, and create a plan with a goal.

■ Take a look at our Services page for complete information.
We get you better faster, in a shorter amount of time so you can get back to the activities you love and enjoy. Soft tissue treatment is a patented system for effectively treating strains, sprains and overuse conditions. ART is a non-invasive hands-on therapy, provided by licensed medical providers who have completed post-graduate certifications through Active Release Techniques.
Holly and Steve Jonas founded Jonas Chiropractic Sports Injury Care in 2007. The office was based on treating athletic injuries as well as many other musculoskeletal conditions. Their combined experience of 25 years leads to the development of this practice. They both are runners and triathletes, this gave them a great background in understanding athletic injuries.
This technique's goal is to restore optimal texture, motion, and function of the soft tissue and release any entrapped nerves or blood vessels. ART is a soft tissue system/movement based massage technique that treats problems with muscles, tendons, ligaments, fascia and nerves.
Chiropractic and spinal manipulation is the foundation for musculoskeletal injuries. Chiropractic is most commonly associated with neck, mid back and lower back pain, but it is so much more than that. Chiropractic is used to help restore normal function to the nervous system. The nervous system is comprised of two different systems, the central nervous system, which is the brain and spinal cord, and the peripheral nervous system, which are all nerves that branch off of the spinal cord.These nerves go to certain areas of your body like your skin, hands, feet, heart, lungs, and major organs.
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Dr. Steven Jonas
Dr. Steven Jonas
Chiropractor
Dr. Steven Jonas is a 1977 graduate of New York Chiropractic College. He continued his post graduate work becoming certified in Activator, Cox and Active Release Techniques. He is one of the founders of the New York Chiropractic Council as well as a past president. In 1992 he was named New York State Chiropractor of the Year. Being in practice for over 30 years, Dr. Jonas specializes in the treatment, rehabilitation, and prevention of injuries to the spine and extremities.
Reviews (20)
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Ramandeep Kaur
Mar 22, 2022
Magical experience! Was in tremendous pain in my back and just in three sessions i was healed and my pain gone like it was never there. It's a miracle and i am happy that I visited Dr Jonathan DeGorter!
Douglas Hilfman
Jan 24, 2022
Simply put Jonas Chiropractic has been an amazing experience. I was injured in a motor vehicle accident and suffered nerve and spine pain with muscle spasms & headaches. The staff is wonderful with explaining the entire process. The Doctors find the right treatments & were able to start helping me immediately. From Doctors to staff to ease of scheduling one of the best teams & experiences ever. I strongly recommend Jonas Chiropractic for any type of injury. They are amazing
Michael Claus
Dec 14, 2021
Before coming here I had been dealing with a shoulder injury for about a year and a half. I was told I needed surgery to fix it. After one session with Dr. Jonathan DeGorter, my shoulder had already felt better than it had since the injury. After a few more visits my shoulder feels good as new. Highly recommend. Thanks!
James L.
Dec 06, 2021
When Dr. Jonathan DeGorter at Jonas Chiropractic in Syosset initially examined me, he listened intently to my description of my spine-related pain. Whereas other chiropractors could not diagnose the cause of the pain and could not provide the correct treatment, Dr. DeGorter used the correct techniques. After only two visits, more than 50% of my pain was gone. After a few more follow-up visits, my pain was eradicated. I would absolutely recommend ace chiropractor Dr. DeGorter!
Mark Conn
Nov 22, 2021
I am 74 years old and thanks to Dr. Jon Degorter I am glad to say that I am still a triathlete. Not racing but am still active in running, swimming, and biking. I still lift weights and do a lot of hiking. I hope to participate in an indoor tri at Lifetime Fitness when they reinstate it. Jon has helped me get through so many injuries, some minor and some major.

Last year I hurt my back and had excruciating pain in my leg. I couldn't walk 5 feet. I needed a cane immediately. I limped for quite a while. Thought that my running and biking days were over. Well, I dragged myself into Jon and with his help, encouragement, and patience I started to slowly get better. It did take time but with his treatment, optimism, and persistence, it was a success.

Over the years I have had other injuries in my feet, elbow, ankle, forearm, and shoulders. There were instances that I went to Jon and after one treatment my pain was gone. Of course, others took more time. Active Release technique has been tremendously helpful to me. For years prior to seeing Jon I was treated by his predecessors Steve and Holly Jonas who also helped me tremendously. I can't say enough good things about this practice except to say if you are seeking help and willing to spend the time to do it, see Dr. Jon Degorter!
Jesse Conover
Nov 22, 2021
Dr Jonathan offers a multiple therapeutic methods to provide immediate relief from pain and symptoms. I'm also able to easily schedule an appointment that works well with my calendar.
Hunter Stein
Sep 15, 2021
John is the best. He's the only person I would go to for any readjustments. He truly understands the athlete mindset and will work with you to help you achieve your goals. Would highly recommend to anyone in need of a Chiropractor.
Mary Wolter
Jun 03, 2021
Dr. DeGorter is absolutely amazing! I just started going to his office a few weeks ago and I already feel a difference and great improvement. I have been having knee pain and back pain causing me difficulty to work out the way I would like to. After about 3 weeks, I already notice improvement and have been able to do more in the gym and the pain has improved. He is extremely thorough and has a great bedside manner. Highly highly highly recommend going to see him!
Ali Baqueri
Feb 25, 2021
Dr. Jon is the best at Jonas Chiropractic. Not only is he professional and courteous, but he knows his stuff! I've been to many chiropractors over the years and nobody can get me going like he can. After the recent snow we have been having I threw my back out multiple times and he got me walking again. Thank you Dr. Jon!
Kevin Bartolotto
Feb 11, 2021
Highly recommend. As someone who runs to compete and have fun, I rely on Dr. Jon to end injuries fast and keep me in top shape.
Cameron Lee
Jan 05, 2021
I first visited Dr. Jon over a year ago due to throwing my back out. After "manning up" and trying to walk it off for a week, I made an appointment and never wished I done anything sooner in my life. It was instant relief. I've been back a few times at the first hint that something may be amiss and he always adjusts me back into shape. Great doc!
Ann Lebreton
Jun 18, 2020
When I first came to see Dr. Jon I had a lot going on! Over time he fixed me up and continues to fix me up. There were a few times when I got hurt running and was able to get an emergency appointment. Every time I went crying to Jonas Chiropractic I was put at ease by the whole staff. I was assured everything would be alright and it always is. Dr. Jon remembers my upcoming races and plans my appointments based on them.

He remembers all of our planned races! It's really nice to go to a doctor that cares about and encourages each and every one their patients. Thank you for always treating me with courtesy and respect. I appreciate how caring the entire staff is. I highly recommend this practice!
Brennen W.
Feb 25, 2019
Dr. DeGorter is very knowledgeable especially when it comes to incorporating functionality with his practice. After a month of seeing him my pain from a herniation in my lower back has reduced substantially and would highly recommend.
Patrick Quinn
Jan 09, 2019
Most professional and pleasant office. Dr. Jonathan takes the time to listen and put a plan of action to resolve your issues. Highly recommend this practice especially for sports enthusiasts.
Dave Tener
Dec 23, 2017
I am a Chiropractor in Georgia and sent my dad who lives in NY to see Dr. DeGorter after an injury at work. Dr. DeGorter's skill and expertise in active release technique, graston therapy, cold laser and Chiropractic makes him a well rounded practitioner with all the tools needed to help patients with a wide variety of health issues. My dad did very well under his care and is now back at work feeling well.
Tom M.
Went to Jonas Chiropractic for Active Release Therapy (ART) on my tennis elbow and has brought the pain down to a manageable level. Have now introduced exercise along with ART and hope to put this issue behind me (BTW, three cortisone shots did nothing for me and ART has done wonders). Highly recommended and office is very professional.
Dana S.
Miracle worker, accommodating and friendly. I pulled my back and was in grueling pain. Dr. DeGorter’s welcoming staff fit me in for an 8:45 a.m. appointment. One adjustment later, by 6 p.m. I was on a 10-mile bike ride. Took another ride this morning, just to convince myself it’s true. I can’t get over how the pain is relieved and mobility returned so quickly — a very skilled Dr.
Maria T. - Plainview
"I have been working with Dr. Holly Jonas for the past 4 months and she has helped alleviate my pain tremendously. I can feel her dedication and compassion for her patients and every visit to the office is pleasant. "
Suzanne R. - Laurel Hollow
"Dr. Holly Jonas has been treating me for various issues involving back and shin splints. She is a very positive and helpful and resourceful person. She seems to love what she is doing. "
Bridget O. - Glen Head
"I have been working with Dr. Holly Jonas for over a year on my various ailments due to mainly overuse as a long distance triathlete. Dr. Jonas is a very hands on, positive and enthusiastic person who has put a lot of care and time into working with me so that I can continue racing."