How many reps should a set include if the goals is to improve muscular strength? Muscular endurance?

If you want to improve your endurance: Do sets of 12-15 reps per set. If you want to get muscular hypertrophy: Do sets of 7-12 reps per set. If you want to improve your overall strength: Do sets of 4-6 reps per set. If you are competing in a strength sport and want to improve maximal strength: Do sets of 1-3 reps per ...