The most dangerous coaching tip on the serve
Why "bring the racket across to your left leg" does more harm than good.
Many coaches teach players to finish the serve with the racket swinging across the body towards the other leg. Martin Baroch considers this one of the most harmful pieces of advice there is – because it focuses on a part of the motion that no longer affects the ball.
Summary by The Strong Baseline. Original article: The most dangerous coaching advice towards stroke production – Serve (1) by Dr. Martin G. Baroch on cpta-tennis.org.