Is Failure Training a Good Approach?

The first set of bench pressan incline donbell press that session for chest. If you're going to fail in your last set, if you're changing the number of sets you're doing, or if the sets before get incramentally harder, then it becomes very poor to judge performance based on that. You can make the choice as to whether i ada som tract volume and load and all this other stuff. The cool thing about testing your performance for a muscle group every session is to get a much more objective measurement over the course of the workout. Am i improving? Or what's the degree of accumulated fatigue within the weeks?'