Every type of exercise builds your muscles. However, certain set/rep combos are better for certain goals. Doing one-rep-max exercises over and over just aren’t very efficient.
5-rep sets are best for strength. 10-rep sets are best for hypertrophy. 15-rep sets are best for endurance.
So, for example, if you did 5 sets of 10 (5×10) you would build strength, but not as efficiently as if you did 5x5s.
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