The extension of the hip joint is the most critical element to creating powerful movements such as running, jumping, lifting and squatting.
This is why it does not matter: whether you are 8 or 80; whether you are an athlete or novice; male or female; short or tall….
It is just as important to have effective hip extension if you want to be able to get on and off the toilet or up and down off the floor or pick up the grandkids as it is for an athlete who wants to lift heavy weight in deadlifts/power cleans/snatches, jump high or sprint fast.
Hip extension could easily be the key mechanism for Longevity. For both length of lifespan and quality of performance.
Jarrat Wood and James Davis explain further in this video how this simple mechanism translates to better movement from the very basic to the very complex: