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