Revolutionize Your Understanding
of Human Movement

Chain Reaction® is the longest running live seminar on how the body functions as an inter-connected whole.


Identify the Root Causes of Common Injuries/ Dysfunctions


Bridge the Gap Between Traditional Education & Real Life Function


Earn CEU’s that Actually Impact Your Daily Work

Chain Reaction® is for All Movement Professionals

  • Physical Therapists
  • Physical Therapy Assistants
  • Personal Trainers
  • Occupational Therapists
  • Occupational Therapy Assistants
  • Therapy Aides
  • Osteopaths
  • Chiropractors
  • Movement Specialists
  • Strength & Conditioning Coaches
  • And Others


Course Benefits


Understand the Root Causes
of Injuries/Dysfunctions


Learn to Identify, Treat & Train,
& Prevent Injuries/Dysfunctions


Gain Access to Exclusive
Resources & Course Materials


Chain Reaction® is
CEU Eligible

Chain Reaction® Biomechanics Seminar with Dr. Gary Gray (the “Father of Function”)

Chain Reaction® is a live seminar for any and all professionals who desire more tools in their toolbox to better serve their patients, clients, and athletes in the areas of Prevention, Performance, and Rehabilitation.

Chain Reaction® empowers you to understand how the body moves in all three planes of motion as an inter-connected whole, rather than as isolated pieces. This course will dramatically bridge the gaps of traditional education.

Learn More about Chain Reaction 2024

Chain Reaction Banner Chain Reaction - The Future of Human Movement

Register to Attend

Date: 09-21-2024 to 09-22-2024
Location: Donald E. Stephens Convention Center | Rosemont, IL

Chain Reaction® | In-Person

Date: 09-21-2024 to 09-22-2024
Location: Virtual | Access Online, Worldwide

Chain Reaction® | Virtual



There is nothing better than a common experience to unite people. We've partnered with thousands of organizations that wanted their teams to take part in engaging, reliable, practical, and applicable training together.

Let us help you plan your very own live event experience! Get started with our Live Event Planning Guide, complete the form, and add a note requesting information on hosting a Chain Reaction seminar.

Find Out Why Chain Reaction® is the Longest
Running Seminar in the Movement Industry


Unfortunately, there’s almost always a gap between what’s learned in the classroom and what takes place in the clinic. We too feel something’s missing between the education many of us received and the experiences we have with patients and clients. Chain Reaction® seminar is our most enduring experience designed to help you find what’s missing in your understanding of human movement and accelerate your career.

This Live 2-Day Event will transform your understanding of how the body moves on all three planes of motion as an inter-connected whole, rather than as isolated pieces. Grasping how the body functions as a chain reaction will empower you to assess, treat and train, rehab and prevent injuries so your clients achieve their individual outcomes faster. What’s more, you’ll have the tools to identify the root causes of dysfunction in the body so you get to the heart of the matter faster.

Getting started is simple. First, download the FREE Gray Institute App and start by checking out the webinars for all of our available courses. Next, Register for Chain Reaction®, and find the missing piece to your accelerate your career!

Getting Started is Simple.


Step 1:

Register for
Chain Reaction

Step 2:

Join Us for the
Longest-Running Seminar
in the Movement Industry

Step 3:

Become the Go-To
Movement Professional
in your Area of Service

Earn CEU’s

Chain Reaction® is approved for Continuing Education Credits through:

ACE - 1.8 CECs
AFAA - 15 CEUs
NASM - 1.8 CEUs
NATA - BOC - 16.5 CE Hrs (Category A)
NSCA - 1.6 CEUs (Category A)
PTA Global - 16.5 CECs

If you don’t see your State or Organization listed, please contact

*This course content is not intended for use by any participants outside the scope of their license or regulation.

Physical Therapy Associations

If you are a PT/PTA licensed in Illinois and plan to use CEUs from the course you are currently enrolled in toward the 2024 licensure renewal, please contact us as soon as possible.

Gray Institute® is approved for 16 Contact Hours in the following states

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Indiana, Iowa, Kansas, Kentucky, Maine, Massachusetts, Michigan, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming.

Ohio-15.5 CEUs,Texas-16.5 CCUs, Minnesota-15 CE Hrs., Illinois-16 CE Hours 

The gap between what we learned in school and what we learn with people can be frustrating.

Join the longest running seminar in the movement industry and find what's missing.


As a former Division 1 collegiate strength and conditioning coach and current Doctor of Physical Therapy, I have always wanted to know the true, functional biomechanics of the human body. Chain Reaction® has provided me this information (and much more) so my athletes, weekend warriors, and patients can reach higher levels.

–Justin Lyons, DPT, CSCS


I wanted to connect better with my patients and help them achieve their goals more quickly. Chain Reaction® equipped me to accomplish this and transform my practice for the better!

–Melissa Reh, PT, FAFS

Have questions or want to know more about how Chain Reaction® can help you to grow you in your profession?

Contact us and one of our teammates will be in touch with you promptly!