Originally Posted by Bodybygamma
Once a month or once every other month since they are very stressful on the C.N.S. For practical use they should be worked out usually to a heavy single.Get some measuring tape and set the pins to about 18inches for fair game.
If you want to do rack pulls more frequently than just once a month, I suggest altering the heights each time to lower around 12-15in' and if less frequent from 18' as high as 20-22 inches for variety.
More importantly, why the hell are you awake at 2AM when you have a meet in the morning???????