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 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 organization. Internationally, both the men's and women's national teams participate in Paralympic and World Championships as well as regional tournaments. There are currently eight divisions in domestic wheelchair basketball competition in the US. This division is for children aged 13 and younger. This is the only division where an aspect of the court is altered, the basket is lowered to 8.5