There's always been lots of talk about timing in the golf swing, but hard data on what that means—and what is actually happening—has been missing from golf instruction. That's not true anymore. For the past 10 years at Jacobs 3D, we can pinpoint various kinematic maximums—the instant in the swing when…..

3D angles are a very complex subject. The best way to understand rotation of the human body is to categorize it into "Absolute" and "Relative" movements.