GolfWell Podcast 4.4 What You Need to Know About Kinetics and the Golf Swing w/ Dr Sasho MacKenzie
Mar 2, 2017
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Forces Are The Cause Not The Effect
- Forces cause motion while kinematics describes motion.
- Newton's second law (force = mass × acceleration) frames kinetics as the cause of the club's accelerations during the swing.
Prioritize Hand Forces Over Air And Gravity
- Focus on the club because three forces act on it: gravity, aerodynamic drag, and the forces your hands apply.
- Gravity and air resistance are small compared with the hand forces, so coach players on grip forces to change club behavior.
Hands Often Work In Opposition
- Left and right hands often work in opposition throughout the swing, producing equal-and-opposite vertical and longitudinal forces.
- A Japanese study instrumented the grip on touring pros and found opposing pull/push patterns at the top of the swing.