" Maximum Sustained Power workouts are much less taxing on the cardio endurance component and instead focus on going for max power or going home. Literally, you end your mini-sets when you can’t lift the heavy bar again due to accumulated fatigue. Or, in the case of vertical jumps or calibrated exercise equipment, you stop the set when you fall materially short of your baseline absolute power performance standard that you started the workout with. "

― Mark Sisson , Primal Endurance: Revolutionize Your Training Approach to Drop Excess Body Fat, Manage Stress, Preserve Health, and Go a Lot Faster!