How Old Are Your Muscles?

I’ve heard talk on TV about our real age according to certain health measures. I wonder if we could label our muscles, independently, with a real age, how old they would be. We lose muscle mass as we age. Most people want to remain physically active and strong into their 60’s, 70’s, and beyond while at the same time their muscles are weakening naturally. The Denton Stretch for Life way to fight this battle: Exercise.