If we ever wind up using the similar number of weights, reps as well as sets to 2-to-3 muscle development training in a row then chances are you have to take a while off to allow your muscles towards sleep prolonged enough getting larger as well as stronger to work with more weight, do additional reps and/or sets if you're not acquiring stronger each time you workout you then're really squandering your time and effort since you will not be able to work-out at sufficient intensity to construct muscle.