At 86, Helen made an incredible fitness comeback with celebrity trainer Yasmin Karachiwala, going from walking with a cane to bouncing on a trampoline.

The best women's walking shoes I tested are comfortable, supportive, and lightweight. I walked over 50 miles in these top rated sneakers.

But are the glories of walking overrated? Here we bust a few myths and back up the cold hard truth about walking as exercise.