Can Stretching Build Muscle and Strength?
Influence of Long-Lasting Static Stretching on Maximal Strength, Muscle Thickness and Flexibility
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Unilateral stretching boosted strength in the unstretched leg by 11.4%.
Most people assume muscle adaptations are strictly local; this shows central nervous system cross-talk can drive strength gains in completely untouched muscles.
Practical Takeaways
Incorporate longer, moderate static stretches (10-20 minutes) into your warm-up or recovery days to boost flexibility and potentially aid strength.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Unilateral stretching boosted strength in the unstretched leg by 11.4%.
Most people assume muscle adaptations are strictly local; this shows central nervous system cross-talk can drive strength gains in completely untouched muscles.
Practical Takeaways
Incorporate longer, moderate static stretches (10-20 minutes) into your warm-up or recovery days to boost flexibility and potentially aid strength.
Publication
Journal
Frontiers in Physiology
Year
2022
Authors
K. Warneke, Anna Brinkmann, M. Hillebrecht, S. Schiemann
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Claims (6)
Doing one hour of static stretching every day for six weeks can actually make your calf muscles grow bigger, not just more flexible. This shows that holding stretches puts enough tension on the muscle to make it build new tissue, which goes against the old idea that stretching only helps you bend better.
Doing one hour of calf stretches every day for six weeks can make your leg muscles significantly stronger, almost as much as if you were lifting weights. This shows that just stretching a lot can build muscle strength just like traditional exercise.
Stretching your calf muscles for an hour every day for six weeks can make your ankle bend up to 27% further. This happens because your brain gets used to the discomfort and your muscles actually grow new parts, not just because they get looser.
If you only stretch one leg, your other leg actually gets stronger too. This happens because your brain and nervous system adapt to the stretching, which could be really useful for physical therapy and preventing injuries.
Doing a lot of long static stretches can actually build up and strengthen your calf muscles just as much as traditional weightlifting. It means stretching isn't just for flexibility—it can also help you get stronger and bigger muscles.