It is a site hosted by Ernie and Bob Kloppenburg. There is a load of information available for coaches at no costs at the site along with the opportunity to purchase some great books and videos. Advanced Basketball Defense by Ernie is one of the best out there -- and below are just a few thoughts he has on rebounding before he goes into great detail on the various methods, techniques and drills:
Most players and coaches have a tendency to look at rebounding in terms of total rebounds, and view rebounding as a single endeavor. However, offensive and defensive rebounding are entirely two very distinct basketball techniques that must be addressed and perfected separately.
While offensive rebounding is mainly an individual effort requiring agility and movement, defensive rebounding relies mainly on positioning and strength. Defensive rebounding also requires a total team effort. However, offensive and defensive rebounding do have four things in common:
1. Anticipating a missed shot
2. Determining rebounding location
3. Flight time effort
4. Determination