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,
Official (basketball) moves to the other end of the court in transition, the lead will become the trail, the trail will become the lead, and the center official will remain in the center (unless the new "lead" moves across the baseline to cover the strong side, in which case the center official and trail would then switch positions.) Basketball is regarded by many fans as among the most difficult sports to officiate. Usually basketball officials have only a brief moment to determine if an infraction has occurred, due to the speed of play of the game and the officials' proximity to the