<http://schema.org/alternativeHeadline>
"Your Fitness: Walking Is Great, But the #1 Reason Why You Should Also Fit in Vigorous Exercise : Glamour.com"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.glamour.com/health-fitness/blogs/vitamin-g/2011/01/your-fitness-walking-is-great>