
Originally Posted by
InsaneInTheMembrane
That could be the culprit.... absolute failure like the one you are describing is burning out your CNS. I bet if you lower the set by 1-2 reps (or one rep shy of failure rep) AND take more rest between sets (up to 3 mins), you will find your other sets go better with more reps. You may be lowering your reps in the first set but it'll be a net gain of total reps when you add the extra ones you get from the second and third set....overall, you get more volume.