MIT researchers have uncovered that when our muscles get a workout, they produce a “soup” of signals called myokines.
These myokines—made up of proteins, growth factors, and other molecules—have the unique ability to help nerves grow and function better. Essentially, every time our muscles contract, they send out signals that tell nearby nerves, "It’s time to grow!"
In their experiments, the scientists found that neurons (the cells in our nerves) exposed to these exercise-induced myokines grew four times faster than those without. This discovery shows that movement doesn’t just benefit our muscles; it may also play a big role in keeping our nervous system strong and healthy.
While the biochemical boost of myokines is impressive, the physical effects of exercise are just as powerful. When we move, our nerves move right along with our muscles. This physical “stretching” actually helps nerves grow.
In their study, the MIT researchers simulated this by gently stretching neurons back and forth, much like the tugging motion that happens naturally during exercise. They found that this physical stretching alone was enough to encourage nerve growth.
In other words, both the chemical signals and the physical movements from exercise help our nerves stay strong and healthy.
This research is a big deal for anyone hoping to maintain their mobility, nerve health, and independence as they age.
See, with age, we naturally lose some muscle mass, and our nerves can weaken. But staying active can help fight these effects by boosting both muscle and nerve health.
And for those already dealing with nerve-related conditions, like neuropathy or Parkinson’s disease, this research opens up new possibilities for exercise-based therapies that could improve nerve health and mobility.
Whether it’s a brisk walk, gentle yoga, or a few light strength exercises, regular movement can do wonders for your muscles and your nerves. Here’s a simple exercise plan to try out:- Walking: Aim for a 20- to 30-minute walk every day, which keeps your whole body—and nerves—in motion.
- Stretching: Gentle stretching helps maintain flexibility and provides that all-important “stretch” for your muscles and nerves.
- Strength Training: Try light weights or resistance bands 2-3 times a week to keep muscles and nerves strong.
The takeaway? Staying active doesn’t just help you feel better—it may be essential for keeping your nervous system in top shape. So, grab your walking shoes, a yoga mat, or even a couple of light weights, and know that every bit of movement helps build a healthier, more resilient you.
Until next time—keep moving and keep thriving!
Rachel Mace
Managing Editorial Director, e-Alert
with contributions from the research team
P.S. Simple exercise trick helps BOOST your body’s cancer-fighting power. Learn about it, here.
Sources:
Chu, J. (2024, November 12). When muscles work out, they help neurons grow: Biochemical and physical effects of exercise could help heal nerves. Medicalxpress.com; Medical Xpress. https://medicalxpress.com/news/2024-11-muscles-neurons-biochemical-physical-effects.html
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