Question: how many reps muscle hypertrophy?
Answer: 1. Training for Muscle Size (Hypertrophy) If you're training for muscle size, choose a weight at which you reach muscle failure in the 8-12-rep range. In other words, after your warm-up sets—which are never taken to failure—you should select a load with which you can complete at least 8 reps but not more than 12.