Strength vs. Cardio: A New Perspective
We’ve heard it for years: walk 10,000 steps or hit 150 minutes of cardio a week to stay healthy. While cardio matters, new research shows that muscle strength is just as important for living a longer life.
In fact, even women who didn’t meet the standard cardio goals lived longer if they had higher muscle strength. Think of strength as a “survival buffer”—it protects your health alongside your daily walk, and sometimes even more than it.
Two Simple Tests for a Longer Life
Researchers used two easy ways to measure strength. You can actually test these yourself:
- Grip Strength: Scientists measured how hard people could squeeze a handle. For every 7kg increase in grip strength, the risk of death dropped by 12%.
- Chair Stands: How fast can you stand up from a chair five times without using your arms? Women with the fastest times had a 37% lower risk of death than those with the slowest times.
Why Does Muscle Matter So Much?
You don’t need to look like a bodybuilder to reap the benefits. Muscle acts like “internal machinery” that keeps your body running smoothly for three main reasons:
- Better Metabolism: Muscles help your body manage blood sugar and insulin. This lowers your risk for Type 2 diabetes and heart disease.
- Fights Aging: Higher muscle mass lowers inflammation throughout your body, which is a major cause of aging.
- Keeps You Independent: Strength prevents falls and keeps you moving. It ensures you can keep doing what you love without needing help from others.