If you want a simple snapshot of your health and mobility, you don't need lab tests or fancy machines. You just need 30 seconds and one foot off the ground. I've seen firsthand how balance reflects ...

This 7-minute bodyweight test after 60 uses wall sits, planks, and glute bridges to assess strength, stability, and endurance ...

It happens to all of us, and usually far sooner than we expect: You suddenly find that every time you get in or out of a chair, there's a veritable chorus of sounds from both your joints and your own ...