If you're throwing out your back, you're overdoing it/using bad form and are better off not working out at all.
Iirc it's ideal to take about a 60 second breaks in between sets because it recharges you for the next set without losing out on the momentum of getting your blood running.
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Studies show that when a given norm is changed in the face of the unchanging, the remaining contradictions will parallel the truth.
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