Rule 1 - Court Dimensions and Equipment
A. The playing court shall be measured and marked as shown in the court diagram.
B. A free throw lane shall be marked at each end of the court with dimensions and markings as shown on the court diagram. All boundary lines are part of the lane; lane space marks and neutral zone marks are not. The color of the lane space marks and neutral zones shall contrast with the color of the boundary lines. The areas identified by the lane space markings are 2" by 8" inches and the neutral zone marks are 12" by 8".
C. A free throw line shall be drawn (2" wide) across each of the circles indicated in the court diagram. It shall be parallel to the end line and shall be 15' from the plane of the face of the backboard.
D. The three-point field goal area has parallel lines 3' from the sidelines, extending from the baseline and an arc of 23'9" from the middle of the basket which inter-sects the parallel lines.
E. Four hash marks shall be drawn (2" wide) perpendicular to the sideline on each side of the court and 28' from the baseline. These hash marks shall extend 3' onto the court.
F. Four hash marks shall be drawn (2" wide) perpendicular to the baseline on each side of the free throw lane line. These hash marks shall be 3' from the free throw lane line and extend 6" onto the court.
G. Four hash marks shall be drawn (2" wide) parallel to the baseline on each side of the free throw circle. These hash marks shall be 13' from the baseline and 3' from the free throw lane lines and shall be 6" in length.
H. Two hash marks shall be drawn (2" wide) perpendicular to the sideline, in front of the scorer's table, and 4' on each side of the midcourt line. This will designate the Substitution Box area.
I. A half-circle shall be created 4' from the center of the basket.

Section II - Equipment
A. The backboard shall be a rectangle measuring 6' horizontally and 3 1 /2' vertically. The front surface shall be flat and transparent.
B. A transparent backboard shall be marked with a 2" white rectangle centered behind the ring. This rectangle shall have outside dimensions of 24" horizontally and 18" vertically.
C. Home management is required to have a spare board with supporting unit on hand for emergencies, and a steel tape or extension ruler and a level for use if necessary.
D. Each basket shall consist of a pressure-release NBA approved metal safety ring 18" in inside diameter with a white cord net 15" to 18" in length. The cord of the net shall not be less than 30 thread nor more than 120 thread and shall be constructed to check the ball momentarily as it passes through the basket.
E. Each basket ring shall be securely attached to the backboard with its upper edge 10' above and parallel to the floor and equidistant from the vertical edges of the board. The nearest point of the inside edge of the ring shall be 6" from the plane of the face of the board. The ring shall be painted orange.
F. (1) The ball shall be an officially approved NBA ball between 7 1 /2 and 8 1 /2 pounds pressure.
(2) Six balls must be made available to each team for pre-game warm-up.
G. At least one electric light is to be placed behind the backboard, obvious to officials and synchronized to light up when the horn sounds at the expiration of time for each period. The electric light is to be "red.
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NBA Story

Here at My Blog, i realize that true fans appreciate the history and evolution of the game in the world’s greatest basketball league. That is why we are devoting a special segment documenting the History of the NBA, highlighting significant changes, moments, and players of the game. Our special segments trace the dynasties of the Minneapolis Lakers, Boston Celtics, and Chicago Bulls, as well as recording the significance of such great players and ambassadors of the game from George Mikan, Bill Russell, Elgin Baylor, Wilt Chamberlain, Julius Erving, Magic Johnson, Larry Bird, Michael Jordan, and Shaquille O’Neal.
To fully appreciate the NBA as it is now, it is important to recognize the history that has allowed it to achieve the status it maintains today. You will see that the NBA was as exciting back then as it is now!
Basketball Story

Many U.S. colleges adopted the game between about 1893 and 1895. In 1934 college games were staged in New York City's Madison Square Garden for the first time, and college basketball began to attract much interest. By the 1950s it had become a major college sport, thus paving the way for a growth of interest in professional basketball.
The first pro basketball league, the National League, was formed in 1898 to protect players from exploitation and to promote a less rough game. One of the first and greatest pro teams was the Original Celtics, organized about 1915 in New York City. They played as many as 150 games a season and dominated basketball in the 1920s. The Harlem Globetrotters, founded in 1927, a notable exhibition team, specializes in amusing court antics and expert ballhandling.
In 1959 the Naismith Memorial Basketball Hall of Fame was founded in Springfield, Mass. Its rosters include the names of great players, coaches, referees, and others who have contributed significantly to the development of the game. See Basketball Hall of Fame, Naismith Memorial.