Here is an informational pamphlet that I have created for softball and baseball players.  This is a good warm-up routine to follow to get the shoulder joint loose and the muscles working.  It is recommended to print it out on both sides of a piece of paper and fold.  Feel free to use the handout.

Baseball Throwing Warmup Pamphlet

(Click this link for access to the pamphlet)

Page 1 of Pamphlet

Page 2 of Pamphlet