of Science in
Sports Medicine

Expert in Movement,
Mobility &

Welcome to GTS

Injury Prevention

Grant Training Systems was founded on the belief that there is a better way to deal with: (1) lengthy injury rehabilitation after conventional treatment and (2) athletes not performing as well after surgery as they did before their injury. David Grant’s graduate degree in Kinesiology and Sports Medicine and his more than 10 years of experience in providing successful therapeutic treatment have demonstrated that traditional therapeutic approaches often do not deal with injury prevention and do very little to address proper movement mechanics. Injury prevention and proper movement mechanics are critical to avoiding re-injury and to attaining higher performance.
At GTS, we realize that injuries are inevitable in life, and we also know that it is not just the injury that needs to be fixed. It is also necessary to correct the dysfunction that caused the injury to avoid a recurring problem that could threaten an athlete’s career or make it difficult for parents to do normal things like play with their children.
GTS focuses on correct movement education and training. David teaches clients to unlock their body’s self-healing mechanisms and avoid re-injury while performing at peak levels. As David often says to his clients, “It is the victim (injury) that makes the noise while the thief (the physical dysfunction or cause) is quiet and causing more harm.”

What our clients say

Our Clients

I first came across and learned about David on Instagram…

Active Triathlon Athlete Sandra Buckton I came to David after several months of not being able...

Both my wife and I are true believers in Davids work …

Worked with
multiple top world
ranked players

Featured in
#1 selling tennis
movement DVD


Tennis Specific

David was the assistant to the renowned fitness coach Pat Etcheberry at Saddlebrook Resort for 2.5 years. During that time, David learned the very special specific movement theory that Pat taught world champions such as Pete Sampras, Jim Courier, Justine Henin, and others. Subsequently David completed his Master’s degree in Human Performance, became a licensed sports medicine specialist, and created a system that has the advantage of Pat’s fantastic movement theory combined with up-to-date movement education and preventative movement patterns to reduce injuries in tennis players.

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