Unlock the Secret Behind “The Pump”: Is Chasing It Fueling Your Gains or Wasting Your Time?
However, these studies don’t definitively prove that the pump directly causes muscle growth. The relationship could be correlational, or other factors might be at play.
It’s Mechanical Tension, Not the Pump
While we don’t know if the pump plays a role in long-term muscle building, we do know for sure what dynamic does: mechanical tension.
Mechanical tension refers to the stress placed on muscle fibers during resistance training. You achieve mechanical tension when you train a muscle close to failure. This adaptation process is what leads to real, lasting muscle growth.
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