[header] How to practice catching a lacrosse ball [title] Make sure that there are no other people around that aren't paying attention. [step] ( they could get a concussion if they are hit in the head). Make sure that there are no cars around, or any windows that could get hit by the ball. 
Have the ball in your crosse (the net of the stick). Start by throwing the ball from your crosse at a brick wall, pitch back, or some other type of surface that will send the ball back to you.