Instructors Carol Johnson, right in pink, and Nicola Haire, left, lead a Stiletto Strength workout during SELF Magazine's Workout on the Quad event at American University, Saturday, April 27, 2013, in... more 
Instructors Carol Johnson, right in pink, and Nicola Haire, left, lead a Stiletto Strength workout during SELF Magazine's Workout on the Quad event at American University, Saturday, April 27, 2013, in Washington. This special on campus event was held in celebration of the 20th annual Workout in the Park outdoor fitness festival from SELF Magazine. (Nick Wass/AP Images for SELF Magazine) less 
1 / 1
Associated Press
Sat, Apr 27, 2013 5:01 PM EDT