Something good exercise you can do at home to increase your speed and your reaction is.
I play tennis and I want to get better at these things to make. I can play tennis. 
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The main features are supposed to help you improve. Running, jumping rope, crunches, push-ups,. dips, and the UPS will help if you can train on a regular basis. Going to the gym and lifting weights will help. Class, martial arts, will also help. Still the best way to improve is to play tennis, tennis, especially with The player with the better off you are. You should also read books such as tennis. Brad Gilbert's "winning ugly" and Tim. Gallwey "The Inner Game of Tennis" play of professional tennis on TV. It also helps if you can pay attention to their strategies, and actually listen to some of the best. Good luck.
