The best rep range for muscle growth hypertrophy can be anywhere from 5 to 30 reps. However, it's the proximity to failure that truly matters. Aim for 6 to 12 reps with about 70-85% of your one-rep max to maximize hypertrophy. Did you know training to failure can boost muscle growth significantly, especially for advanced lifters? #trainingfrequency #howoftentrain #workoutschedule #trainingplan #gymplan