Sprinting is a valuable human movement that many lose the capacity to perform as they age.

“we know that the movement of sprinting or running fast and we kind of know what what this does and why this is good for you right we know that yeah moving our body intensively with intensity is probably something we should be able to do for as long as we possibly can but we can't because typically we've still got pretty good engines into our 30s and 40s and 50s but we don't have the bodies to be able to handle the stresses and the forces that this engine could put into the body so our tissue and our joints just is not able to handle all of these forces”