Another great one from Chris Beardsley at Medium.com
Over the last few years, researchers have discovered that it is possible to achieve meaningful muscle growth when lifting light weights, so long as sets are performed to muscular failure.
Additionally, some studies indicate that training to failure may lead to more hypertrophy than avoiding failure.
Muscular failure during strength training is simply the point at which fatigue is high enough to prevent a muscle from exerting the amount of force necessary to complete the current repetition, with a given load. Yet, if we lower the weight after reaching failure (as when using drop sets), we can immediately continue exercising.
So why does achieving this level of fatigue during strength training help increase the amount of muscle growth that occurs? And does it always apply, or are there some situations when it is not necessary?
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