How Your Brain Helps Your Muscles Grow
The role of the neural stimulus in regulating skeletal muscle hypertrophy
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Your muscles grow when they're pushed hard, but your brain and nerves play a big role too. This study looks at how the signals from your brain to your muscles can affect how much your muscles grow when you lift weights or stretch.
Surprising Findings
Passive stretching may stimulate muscle growth similarly to active lifting under sufficient tension
Most assume only lifting weights builds muscle, but this suggests mechanical tension—regardless of how it’s generated—could be the real trigger.
Practical Takeaways
Consider training techniques that maximize motor unit recruitment, such as lifting with high intent or using full range of motion, to enhance neural drive.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Your muscles grow when they're pushed hard, but your brain and nerves play a big role too. This study looks at how the signals from your brain to your muscles can affect how much your muscles grow when you lift weights or stretch.
Surprising Findings
Passive stretching may stimulate muscle growth similarly to active lifting under sufficient tension
Most assume only lifting weights builds muscle, but this suggests mechanical tension—regardless of how it’s generated—could be the real trigger.
Practical Takeaways
Consider training techniques that maximize motor unit recruitment, such as lifting with high intent or using full range of motion, to enhance neural drive.
Publication
Journal
European Journal of Applied Physiology
Year
2022
Authors
Carlos Alix-Fages, A. Del Vecchio, Eneko Baz-Valle, J. Santos-Concejero, C. Balsalobre-Fernández
Related Content
Claims (3)
If you're trying to build muscle with weight training, checking how your nerves talk to your muscles might help explain why some workouts work better than others.
Your brain's signals to your muscles might affect how much they grow when you lift weights — so how well your nervous system works could change how good your workout routine is at building muscle.
Your brain and how tired your body gets during weight training might affect how much your muscles grow — so it's not just about the muscles themselves.