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... rove their muscle strength and endurance. Of course, muscle strength would not improve in just one session. The best way to increase muscle strength and build up muscles is to exercise repeatedly and consistently.
However, simple repetition would not work. There would come a time when the weight would feel easy and comfortable to lift. Once someone started to lift that weight in twelve to fifteen reps easily, they had to increase the weight.
Of course, the reps they could do woul ...
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