A fastball is a pitch that pitchers use that means the way the term sounds. It is a pitch where the ball is released and travels many miles per hour before reaching the catcher’s glove. Many pitchers try to improve their fastball pitch in order to get more batters out by striking them out. There are ways that pitchers can improve their fastball by training their muscles. One way is to strengthen the arm muscles. Besides the arm muscles, also the muscles in the shoulders should be strengthen and the back should be sturdy.
So, there are other muscles besides the arms that need to be trained in order to improve the speed of someone’s fastball. Stamina is also needed to improve the body to do anything better.