Exercising in Your 50s but Working Out Like You're in Your 30s?

When you were in your 30's, you may have lifted weights and used all the equipment in the gym. But, your now in your 50's, you might find some of those exercises more difficult.Should you even be doing the same exercises you did when you were younger?Michele Stanten, a walking coach and ACE-certified fitness instructor, discusses your workout and how it might change as you get on in years.