This commonly happens when the player did not land properly or landed on the foot of another player, or quickly rolling the ankle to change of position. Upon landing, the ligaments would be stretched or even break. Sprain treatment would include complete foot rest, cold compress to remove the swelling, making sure that the foot is elevated, and taking medications to keep the swelling down. The National Collegiate Athletic Association (NCAA) is the governing body that oversees around 1,200 voluntary college and university members. The first tournament of March Madness occurred in 1939 with eight teams. Then, the tournament expanded to 16 teams in 1951. After two years, it became 22 and in 1975, it went up to 32 teams. According so several studies, nearly 50% of children in the United States will be obese. Aside from proper diet, exercise and involving children in physical activity could help battle obesity. Basketball is a great way of involving children into sports and helping them develop their social skills. Basketball, as an indoor sport, could be played all the year round in school or local gym. Basketball shoes and socks When playing basketball, make sure that you will be using the right basketball shoes. Using the right basketball shoes would ensure that your ankle will be safe from any sprain or possible injury. Playing with incorrect footwear would increase possible risk of injury. Correct shoe size is also important, the last thing you need is to finding your basketball shoes too tight. Basic Rules Although some rules about measurements and time limits may vary depending on the league and tournaments, these are the basic rules that are followed by international leagues, including the NBA. The rule of the game is simple, the team with the higher score by the end of the time limit for the whole game would win. The bouncing ability of the ball must only be between 49 and 54 inches when it is dropped from a 6 feet height. The National Basketball Association or the NBA has only one official ball that is manufactured by Spalding. This has the orange color, with a circumference of 29.5 inches and weighs 22 ounces.