4 sets
Set 1 12 reps
Set 2 10 heavier reps
Set 3 8 heavier reps
Set 4 6 heavy reps

Note: Increase weight each set to a heavy 6 rep. Challenge yourself and increase weight from your usual heavy 8 rep weight. Example: If you consistently squat 65 pounds as your heavy set of 8 lets go to 75 pounds this time. Rest 2 minutes between sets.