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2011-12 AND 2012-13 MEN'S AND WOMEN'S RULES - NAIA

2011-12 AND 2012-13 MEN'S AND WOMEN'S RULES - NAIA

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Rule 1 / Court and Equipment25<br />

Art. 3. Movable rings are required. Movable rings may flex both to the front and<br />

the sides.<br />

Art. 4. (Men) All competitive rings shall be tested for rebound elasticity once<br />

before the season (July 15-Oct. 15) and once before the postseason. The rebound<br />

elasticity requirement shall be 35 percent to 50 percent energy absorption and be<br />

within a 5 percent differential between baskets on the same court.<br />

Note: For Division II and Division III, ring testing is recommended (see<br />

supplement number 9).<br />

Section 16. The Ball<br />

Art. 1. The ball shall be spherical. Spherical shall be defined as a round body<br />

whose surface at all points is equidistant from the center except at the approved<br />

black rubber ribs (channels and/or seams).<br />

Art. 2. The ball’s color shall be Pantone Matching System (PMS) Orange 151,<br />

Red-Orange 173 or Brown 1535.<br />

Art. 3. The ball shall have a deeply pebbled leather or composite cover.<br />

Art. 4. The ball shall have the traditionally shaped eight panels, bonded tightly<br />

to the rubber carcass. The eight panels are defined by two channels and/or seams<br />

dissecting the ball’s circumference in opposite directions and two panels that<br />

when laid flat shall have the shape of a figure eight.<br />

Art. 5. The width of the black rubber rib (channels and/or seams) shall not exceed<br />

1/4 inch.<br />

Art. 6. When dribbled vertically, without rotation, the ball shall return directly to<br />

the dribbler’s hand.<br />

Art. 7. The air pressure that will give the required reaction shall be stamped on<br />

the ball. The ball shall be inflated to an air pressure such that when it is dropped<br />

to the playing surface from a height of 6 feet measured to the bottom of the ball,<br />

it will rebound to a height, measured to the top of the ball of:<br />

a. (Men) Not less than 49 inches when it strikes its least resilient spot nor<br />

more than 54 inches when it strikes its most resilient spot.<br />

b. (Women) Not less than 51 inches when it strikes its least resilient spot nor<br />

more than 56 inches when it strikes its most resilient spot.<br />

Art. 8. a. (Men) The circumference of the ball shall be within a maximum of 30<br />

inches and a minimum of 29½ inches.<br />

b. (Women) The circumference of the ball shall be within a maximum of 29<br />

inches and a minimum of 28½ inches.<br />

Art. 9. a. (Men) The weight of the ball shall not be less than 20 ounces nor more<br />

than 22 ounces.<br />

b. (Women) The weight of the ball shall not be less than 18 ounces nor more<br />

than 20 ounces.<br />

Art. 10. The home team shall provide a ball that meets the specifications listed<br />

in this section. The referee shall judge the legality of the ball and may select for<br />

use a ball provided by the visiting team when the home team cannot provide a<br />

legal ball.<br />

Note: It is recommended that the home team provide the visiting team with warmup<br />

balls of the same type as the game ball.

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