“The tough part is what you don’t know,” said Keith Jones, Houston Rockets senior vice president of basketball operations and a longtime athletic trainer. “You don’t know how long the runway is going to be before you’re full speed. A process that took 10 weeks [at the end of the offseason to ramp up to the regular season] might be compressed into 10 days. Getting their bodies conditioned to play again, we’re going to need some time. “Nothing mimics NBA basketball except NBA basketball. Everybody’s going to lose that conditioning.”