Dr. Jack Groppel has been a leading voices in the tennis teaching community for over 20 years, as a
researcher, a writer, a coach, anda featured speaker at conferences around the world. As the long time
head of the USTA Sports Science Committee, Dr. Jack was a leader in the movement to create a science based approach to tennis coaching and player development. He has published widely, both academically and in the popular tennis press. His book High Tech Tennis is a best selling classic.
Recently, he co-edited World Class Technique with Dr. Paul Roetert. (Click Here.) Dr. Jack is the Cofounder of LGE Performance systems, with Dr. Jim Loehr.
Dr. Jack Groppel
Biomechanics
To hit a great attacking volley, a player needs two things. The first is great footwork. The second is very simple upper body movement. The biggest problem most players have is that their upper body movement, and especially their arm...
Biomechanics
In my first article for Tennisplayer, I'm going to show you the most common tennis stroke errors I've seen as a working biomechanist and coach for the last 20 years. And we're going to talk about how you can correct...