Put in mind that when muscles undergo excessive amounts of pressure they can be torn leading to loss of strength and even permanent damage. Make sure that your session covers all body parts to be utilized during the game. Prepare your arms by engaging in slow and wide circular movements which is termed as the windmill. Use them in your heavy games. Use the new pair in your lighter games, until they feel comfortable. This way you can avoid getting blisters and calluses using the new pair of shoes that is still factory-hard and not that flexible yet. Eye protection For a game that has a flying ball moving incredibly fast, your eyes (your most vulnerable body part) become dangerous random targets. This is because students tend to worry much about their grip, stroke, and mechanics rather than about pre-positioning so they could hit using the correct mechanics. What is the easiest, yet fastest way to teach students not to crowd the ball? As an instructor, you have to be strategic enough in removing their fears of possibly missing the ball. For beginners and those virtual greenhorns to the game who want to improve their games, here are some tips on some very important basics on racquetball. One of these is the all-important way of getting a grip on your racquet handle. Finger formation Without the right knowledge on the proper and consistent grip of your racquet, you will remain clueless to the real feel of what a racquet is. On the other hand, it is one of the most injury-prone sports because of the speed of the ball traveling inside the small confines of the playing court. Ninety-five percent of these injuries consist of being hit in the eyes by the ball. Interior bleeding in the eye socket, lacerations, bleeding eyelids, abrasions, swollen eyes these are some of the most common eye injuries. Five feet right in front and parallel to the back edge of the short line is the front edge of the service line. The service zone is the 5-foot area in between the service line and the outer edges of the short line. There are service boxes found at each end of the service zone and they are designated by lines that are parallel to the side wall.