Superman Tennis Serve: Learn How to Serve Your Fastest Serve Ever Through Scientifically Proven Techniques!

Learn how to drastically change your serve through 6 exercises that will increase your racquet speed and acceleration in a very significant way. This book includes: - The 6 Superman Tennis Serve exercises - The 3 charts that will teach you how to do them in an organized manner. - Detailed explanation on each phase of the charts. - 6 Serving tips - 12 tennis competition tips to improve your overall game INCLUDES THE SERVE HARDER DYNAMICS VIDEO which explains technical aspects of the serve in...