We tend to think of muscle as something for athletes or for the mirror. The science says otherwise: skeletal muscle behaves like an organ that quietly governs your metabolism, blood sugar and resilience for decades.
Why muscle matters more with age
From your 30s onward you lose muscle every year unless you train to keep it. That loss — sarcopenia — is tied to frailty, falls, a slower metabolism and worse blood-sugar control. The good news: resistance training reverses much of it at any age.
Three things strong muscle does for you
- Metabolic health: muscle is where you store and burn glucose, improving insulin sensitivity.
- Independence: strength and power predict how well you move in your 60s, 70s and beyond.
- Protection: more muscle means a bigger reserve to draw on during illness or injury.
How to start
You don't need hours in the gym. Two to three focused sessions a week, built around compound lifts and progressive overload, are enough to build and keep muscle. Pair that with enough protein and sleep, and you've covered the fundamentals.
That's exactly what UnderForge is built around: a simple, evidence-based plan that adapts to you — so the work you do today pays off for decades.