A team sport in which two teams, most commonly of five players each, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball through the defender's hoop
Field goal
Worth two points, unless made from behind the three-point line, when it is worth three
Free throw
One-point shot taken after a foul
If regulation play expires with the score tied
An additional period of play (overtime) is mandated
Player actions
Advancing the ball by bouncing it while walking or running (dribbling)
Passing it to a teammate
A game similar to basketball is mentioned in a book published in Frankfurt am Main
1591
James Naismith
Canadian-American professor of physical education and instructor at the International Young Men's Christian Association Training School in Springfield, Massachusetts, who created basketball in 1891
The object of the game is to outscore one's opponents by throwing the ball through the opponents' basket from above while preventing the opponents from doing so on their own
Successful shot
Worth two points, or three points if it is taken from beyond the three-point arc
Resuming play after a score
Throw-in awarded to the non-scoring team taken from a point beyond the end line of the court where the points were scored
Game duration
Four quarters of 10 (FIBA) or 12 minutes (NBA)
Two 20-minute halves (college men's)
10-minute quarters (college women's)
8-minute quarters (most US high school varsity)
Teams exchange baskets for the second half
Team personnel
Five players on the court
Coach
Assistant coaches
Managers
Statisticians
Doctors
Trainers
Officials
Referee (crew chief in NBA)
Umpires (referees in NBA)
Table officials
Basketball court
Flat, rectangular surface with baskets at opposite ends
Regulationbasketballcourt
28 meters (92 feet) long and 15 meters (49 feet) wide (international)
94 by 50 feet (29 by 15 meters) (NBA and NCAA)
Basket
Steel rim 18 inches (46 cm) diameter with an attached net affixed to a backboard that measures 6 by 3.5 feet (1.8 by 1.1 meters)
Top of the rim is exactly 10 feet (3.05 meters) above the court and 4 feet (1.22 meters) inside the baseline
Basketball size
For men: 29.5 inches (75 cm) in circumference, 22 oz (620 g)
For women: 28.5 inches (72 cm) in circumference, 20 oz (570 g)
For 3x3: Circumference of a size 6 ball but weight of a size 7 ball
Ball movement
Shot
Passed between players
Thrown
Tapped
Rolled
Dribbled (bouncing the ball while running)
The ball must stay within the court; the last team to touch the ball before it travels out of bounds forfeits possession
Violations
Traveling
Double dribble
Carrying the ball
Returning the ball to the backcourt
Personal foul
An attempt to unfairly disadvantage an opponent through certain types of physical contact
Technical foul
Charged for various rules violations including failure to properly record a player in the scorebook, or for unsportsmanlike conduct
Intentional/Flagrant foul
A blatant foul involving physical contact that is either excessive or unnecessary
Player positions
Point guard
Shooting guard
Small forward
Power forward
Center
Defensive strategies
Zone defense
Man-to-man defense
Offensive plays
Planned passes
Cuts
Screens
Pick and roll
Shooting
The act of attempting to score points by throwing the ball through the basket
Rebounding
The objective of successfully gaining possession of the basketball after a missed field goal or free throw
Types of rebounds
Offensive rebounds
Defensive rebounds
Passing techniques
Chest pass
Bounce pass
Overhead pass
Outlet pass
No-look pass
Dribbling
The act of bouncing the ball continuously with one hand and is a requirement for a player to take steps with the ball
Blocking
Performed when a defender succeeds in altering a shot by touching the ball
It is illegal to touch the ball after it is in the downward path of its arc (goaltending)
It is illegal under NBA and Men's NCAA basketball to block a shot after it has touched the backboard, or when any part of the ball is directly above the rim
Under international rules it is illegal to block a shot that is in the downward path of its arc or one that has touched the backboard until the ball has hit the rim