I recommend that you practice over a bed or couch. It will save you a lot of bending over. F irst we should talk about posture. When you are doing any of the exercises listed below, your upper arms should be at your side while your lower arms should be horizontal with the floor. Just imagine you are holding a tray.
T ake a ball in one hand.
Now just throw the ball to the other hand. It should go a little higher then your head. Then throw the ball back. As soon as you can catch the ball consistently without moving the catching hand, go to step two. N ow take a ball in each hand.