An epidural is a procedure whereby drugs are injected through a catheter which is inserted into the epidural space. The epidural space is the space between the bony spinal canal and the dura (which surrounds the spinal cord and spinal fluid).
1 All drafted players must be at least 19 years old during the calendar year of the draft. 2  To determine whether a player is eligible for a given year's draft, subtract 19 from the year of the draft. 3  If the player was born during or before that year, he is eligible.
While the numbers may vary, the percentage of high school players who make it the NBA is always very small. Keep in mind that a 2006 rule requires that players who participate in the draft are at least one year out of high school and must be at least 19 to play.