Basketball is a home-grown American sport that was invented by Dr. James Naismith in 1891. It was invented to create a new game that could be played indoors to keep students involved and out of trouble during harsh winter season. It is played by more than 250 million people. Since its invention it has gone through innumerable variations.
The main variations in Basketball include: Water basketball, Wheelchair basketball, Slam ball, Beach basketball, and Street ball and Unicycle basketball. These are principle basketball sports having the variations on use of traditional basketball. An older version of basketball was Six-on-Six basketball played until late 1950s. It was played with six players each instead of five- three forwards and three as guards.
Netball is a ball sport and a limited-contact team sport in which two teams of seven players trying to score points just like in basketball. Netball was previously played by women but now includes men's teams as well. Water basketball is a sport with the rules of basketball and played in a swimming pool. Wheelchair basketball is played by people who are physically challenged and are on wheelchairs. Horse ball is a game played on the back of the horse where points are scored by shooting it through a basket (hoop). Other variations of Basketball are: Slam Ball; Street basketball; and Half-court. Despite of its variations the rules of Basketball are almost same.