Exercise regularly. | Exercise, diet—even attitude—can be as important as genetics when it comes to growing old gracefully. "Old age," as Bette Davis once said, "is no place for sissies." But that doesn’t mean you need to chicken out. Sure, growing older affects nearly every part of your body—including your hair, skin, heart, muscles, and more—but aging well may be as simple as adopting these (mostly) easy everyday habits.
Key to fitness. Weigh Lifting. I know this is true because I lost more weight lifting than I did when I was training for the I did a lot of running and little weight lifting. I didn't lose much weight.
I suffer from 3 lumbar disc bulges and i struggle to get back to my old fitness level because i push myself too fast to soon. I'm finally without out pain and I found this really helpful site with simple to advance exercises for lower back injuries to help recovery. Low Back Pain Exercise Guide -OrthoInfo - AAOS