January 24, 2026
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17:17Now PlayingDr Layne Norton explains what actually drives muscle growth and why most people overcomplicate training as they get older. Drawing on decades of research in exercise science and hypertrophy, he breaks down the one principle that matters more than supplements, fancy programs, or extreme routines.
In this conversation, Layne explains why mechanical tension is the true driver of muscle growth, how close you really need to train to failure, and why volume matters more than constantly changing exercises. He also challenges common myths around calorie counting, intensity, and whether machines or free weights are better for building muscle after 30.
This episode cuts through the noise and focuses on what actually works if your goal is to build and maintain muscle long term without burning out or injuring yourself.
Discover:
• What really causes muscle growth
• How close you need to train to failure
• Why volume matters more than intensity alone
• How to keep building muscle after 30
• The biggest mistakes people make in the gym
📺 Watch the full episode here
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