
The top of the key in basketball refers to the area around the free throw circle's farthest point from the basket. It is an important area on the court where several plays take place, such as screens and pick and rolls. The key itself is a painted area under the basket, officially referred to as the 'free throw lane' by the NBA, NCAA, NAIA, and NFHS, and the restricted area by FIBA. The key has a unique shape that has been modified throughout the history of basketball to promote fair play and prevent players from dominating the game.
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What You'll Learn

The top of the key is an area on a basketball court
The key gets its name from its original shape, which resembled an old-fashioned keyhole—a narrow rectangle opening up into a circle. Over time, the dimensions of the key have been altered to balance the influence of tall, imposing players like George Mikan and Wilt Chamberlain. The key was widened from six feet to twelve feet in 1951, and further expanded to sixteen feet in 1964. Today, the NBA's key is a sixteen-foot-wide rectangle, while the NCAA and NAIA use a twelve-foot rectangle.
The top of the key is significant in several in-game scenarios. Jump balls, for instance, take place at the center of the circle at the top of the key. Additionally, the ball handler starts the game by standing at the top of the semicircle above the free throw line, passing the ball to the opposing team, and saying "Check." The three-point line also extends from either side of the top of the key, making it a crucial area for scoring opportunities.
The rules within the key differ from those outside of it. The three-second rule, for instance, states that players on offense can only remain in the key for up to three seconds before they have to bounce out. This rule was implemented to prevent teams from clogging the paint and creating a free path to the basket for their taller players. There is also a defensive iteration of this rule, which disallows defenders from staying in the key for more than three seconds without guarding an opponent.
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It is also called the free throw lane, paint, or lane
The key, also called the free throw lane, paint, or lane, is a marked area on a basketball court surrounding the basket, where much of the game's action takes place. It is shaped like a locksmith's key, with the free-throw circle as the head and the shaded lane as the body. It is usually painted in a distinctive colour. The key is bounded by the baseline, the free-throw line, and two lane lines connecting the free-throw line and baseline.
The free-throw lane is the hub of the action in each half-court. It is marked at each end of the court, with all boundary lines being part of the lane. The free-throw line is drawn across each of the circles indicated in the court diagram and is parallel to the end line. The free-throw line is 15 feet from the plane of the face of the backboard. The three-point field goal area has parallel lines 3 feet from the sidelines, extending from the baseline, and an arc of 23 feet 9 inches from the middle of the basket, which intersects the parallel lines.
The key is also referred to as the "restricted area" by the International Basketball Federation (FIBA). The term lane is used to describe the path to the basket. The term paint refers to the area of the key where offensive players are prohibited from remaining for longer than three seconds, which is usually painted to distinguish it from the rest of the court. Points scored in this area are called "points in the paint" or "inside points".
The top of the key is the area around the free throw circle's farthest point from the basket. Shots from this area in high school and college result in three points. Several plays also take place around the top of the key, such as screens and pick and rolls. The intersection of the free throw line and the free throw lane is referred to as the "elbow of the key".
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The three-second rule and its iterations
The three-second rule is an integral part of basketball, aiming to promote fairness and equal opportunity to score for both teams. It is a regulation designed to prevent players from gaining an unfair advantage near the basket and to discourage illegal defence tactics. The rule applies to players operating in the low post or inside the shaded line, also known as the painted area, the key, lane, or the paint.
The three-second rule states that an offensive player cannot remain within the painted area for more than three consecutive seconds while their team is in possession of the ball. This rule is designed to avoid clogging the paint and to encourage continuous play, preventing players from remaining idle and encouraging movement. The timer starts when an offensive player is in the paint and their team has control of the ball in the frontcourt. It resets when the player leaves the paint, if a shot is taken, or if the player in the paint receives the ball and actively moves towards the basket.
The defensive three-second rule variation states that a defender must actively guard an opponent within three seconds if they are positioned in the 16-foot lane or the area extending four feet past the lane's endline. The defensive three-second count is suspended when a player is in the act of shooting, there is a loss of team control, the defender is actively guarding an opponent, the defender clears the 16-foot lane, or it is imminent that the defender will become legal.
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Plays that can be executed from the top of the key
The top of the key is a crucial area on a basketball court, and several plays can be executed from this position. Here are some plays that can be effectively utilized from the top of the key:
Pick-and-Roll: This is a fundamental play in basketball, often initiated from the top of the key. It involves a player setting a screen (pick) for a teammate handling the ball, blocking their defender, and then moving towards the basket (rolling) to receive a pass and score. This play creates favourable opportunities for scoring by generating momentum towards the basket and causing defensive misalignment.
Staggered Screen: This play is particularly effective when you have a strong post player in the 5 position. It begins with a dribble from one side of the floor to create an optimal screening angle. If the post player is not open, a staggered screen is set for a weak-side shooter. The key objective is to quickly establish a clear post-up position near the basket.
Skip Pass: This play is designed to create an open three-point shot opportunity from the corner for a strong shooter. It requires precise timing and execution, making it more suitable for experienced teams. The setup involves a 1-3-1 formation with the low post player positioned on the same side as the three-point shooter. The play starts with a pass from 1 to 3 on the wing, followed by a skip pass, which can lead to a scoring chance.
Quick Post-Up: This play is designed to catch the defence off guard and create a quick scoring opportunity. It involves a back screen and a staggered screen to free up a block for a post-up move. If the post player is not open, the staggered screen provides an option for a weak-side shooter. The play emphasizes quick decision-making and execution to gain an advantage over the defence.
When executing plays from the top of the key, it is essential to have a point guard or ball handler who is an excellent decision-maker and passer. They must be able to assess the defence and deliver accurate passes to the rollers or shooters. The top of the key is a strategic location that allows for various offensive options, making it a pivotal area for initiating attacks.
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The history of the key's shape and dimensions
The key, also known as the free throw lane, restricted area, paint, or lane, is a marked area on a basketball court surrounding the basket, where much of the game's action takes place. It is called the key because its original shape resembled a key used for locks or doors, with a six-foot-wide lane that culminated in the free throw circle, resembling a keyhole. The free throw circle has a 6-foot (1.8 m) radius centred at the midpoint of the free throw line.
The key's dimensions have varied throughout the history of the game. The lane used to be only 6 feet wide, but due to the narrow key, imposing centres, such as George Mikan, dominated the paint, scoring at will. To counter this, the key was widened to 12 feet (3.7 m) at the onset of the 1951–52 NBA season.
In the 1964–65 NBA season, the key was widened further to 16 feet (4.9 m) to reduce the effectiveness of dominant centres, especially Wilt Chamberlain. The NCAA and NAIA continue to use a 12-foot key, while the NBA and FIBA adopted a 16-foot-wide rectangular design in 2010.
The top of the key is the area above the topmost point of the free throw circle. It is an important location for calling offensive plays and is where half-court games begin. While it is not an ideal location for attempting field goals or three-point shots, it is a good spot for point guards to bring up the ball and distribute offensive players to both sides of the court.
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Frequently asked questions
The top of the key is the area around the free throw circle's farthest point from the basket.
The key, or the area below and in front of the basketball hoop, was first instituted in 1936 and was shaped like an old-fashioned keyhole—a narrow rectangle that opened up into a circle. The top of the key is, therefore, the area at the top of this keyhole shape.
The three-second rule states that players on offense are only allowed to stay still in the key for up to three seconds. After that, they have to bounce out. A defensive three-second violation, or illegal defense, is a team technical foul given when a defensive player spends more than three seconds in the key while not guarding an opponent.
The key goes by many names. The National Basketball Association (NBA) and the National Collegiate Athletic Association (NCAA) refer to it as the "free throw lane", while the International Basketball Federation (FIBA), the game's international governing body, calls it the "restricted area". It is also informally called "paint" or "lane".
The dimensions of the key area have varied throughout history. The lane used to be only six feet wide but has been widened multiple times. Today, the NBA's key is a 16-foot-wide rectangular area, while the NCAA and the National Association of Intercollegiate Athletics (NAIA) use a 12-foot rectangular key.











































