But what if I told you that you don't need to visit a fancy lab or use strange equipment to get an idea of how strong your leg muscles are? That's right! The answer might just be in the most common ...

If we’re lucky, we age. If we’re active, we may be able to avoid getting old. Increasing our physical strength and flexibility while improving posture and balance can pave the way for aging well and ...

That ability to hold onto a bar or carry that *really* heavy suitcase? It’s not just a flex—it actually might be one of the simplest clues to how well you’re aging. Grip strength—the ability of your ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Whether you’ve been lifting for years or ...

Longevity isn't just about how long you live — it's also about staying healthy for as much of that time as possible. The "sit to stand" test can be a good way to figure out how healthy you are, and it ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...