The principle of warming up is based on increasing the flow of blood across the muscles so as to promote readiness and strengthen their capacity in withstanding the workload during a game. Stretching and jogging are the common methods used. You only need to allot 10 to 15 minutes. At this point you can let your body have a feel of what the court condition is like. Keep an arsenal of more than three good ones so your opponents cannot anticipate any. Another strategy is to use a jam serve to make your opponent off balance. Make the serve in a way that the return will move the ball very fast and directed at your opponent waist-high. You can also do a drive serve. You could show your mentee that you care if you give him good advice about his other life aspects, especially if your advice is sought. It would also help if you would constantly show your compassion and interest in his development. It may not be exclusive to racquetball, as mentioned. Help the mentee further develop socially and emotionally. The first set of lines is parallel to the side wall with a distance marked by 18 inches. These lines along with the service line, side wall, and short line forms the doubles box wherein the doubles partner that is not in serving position stands during the actual serve. The other set of lines is 36 inches from the side wall. If the pair reaches 7 points first the game reaches conclusion but if the single player makes it to 7 first the game continues up to 14. If again the individual playing solo moves up to 14 points first the game heads up to 21. The game ends regardless of who gets to 21 first. Now that you have an idea of how game play goes on let s have an understanding on how points are earned. Racquetball is one sports activity that can be risky considering the speed of play and the equipments used (racquets and balls). However, it is a given that sports injuries serious, superficial or life-threatening can always be avoided, if you take precautions. Aside from the protection gears you have to wear, the following are some reminders for you to deal with your racquetball-related injuries.