Wheelchair basketball is very similar to able bodied basketball with the only major variation being the difference in the traveling rule. Able bodied basketball's traveling rule is taking too many steps without dribbling the ball. Since there is no walking in wheelchair basketball, their version of the traveling rule is pushing the wheels more than two times without dribbling. Some other differences in the rules are there are ten more seconds added to the shot clock as well as four seconds in the key rather than the three seconds able bodied players have.
Depending on the level of skill and/or disability the game can be modified by either lowering the hoop or using a 55 gallon trash can as a basket. For those who cannot throw a basketball very far a different, lighter ball can be used such as a rubber dodge ball or a gator ball.
For more information on wheelchair basketball, or to get involved in wheelchair basketball in Northern California check out BORP's page here: www.borp.org/programs/wheelchair-basketball
The National Wheelchair Basketball Association is the place to go for history, the official rules or to find a competitive wheelchair basketball team near you! Check out their website here: www.nwba.org