Basketball the basketball is also regulated. For men, the official ball is in circumference (size 7, or a "295 ball") and weighs 22 oz (623.69 grams). If women are playing, the official basketball size is in circumference (size 6, or a "285 ball") with a weight of 20 oz (567 grams). In 3x3, a formalized version of the halfcourt 3-on-3 game, a dedicated ball with the circumference of a size 6 ball but the weight of a size 7 ball is used in all competitions (men's, women's, and mixed teams). The ball may be advanced toward the basket by being shot,
Wheelchair basketball in the United States the IWBF World Wheelchair Basketball Championships, the Parapan American Games, and in the IWBF U23 World Wheelchair Basketball Championships. As of the 2016 Summer Paralympics the United States women's national wheelchair basketball team have won four gold, one silver and three bronze medals. As of the 2014 edition, the team's record at World Championships is two gold and four silver medals. Wheelchair basketball in the United States Wheelchair basketball in the United States is governed by the National Wheelchair Basketball Association (NWBA). The International Wheelchair Basketball Federation (IWBF), and the US Olympic Committee recognize the NWBA as the official national