520
lighter rule
(lemmy.blahaj.zone)
Be sure to follow the rule before you head out.
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To be fair, bodybuilders do lift the lighter weights. Gotta get that high rep range for the pump.
Powerlifters, strongmen, and Olympic lifters lift the heavy weights to get stronk.
Not to mention that switching to lighter weights after reaching failure on heavier ones lets you squeeze out a few extra reps that deepen the failure and build more muscle