CAPE CANAVERAL, Fla. – Kennedy Space Center workers learn about the benefits of foam-rolling exercises and techniques to relieve the strain and pain of overused muscles and connective tissue. The class was part of the National Employee Health and Fitness Day event. Yoga, cardio dance, and boot camp classes were also offered throughout the day at the Operations and Checkout Building's Fitness Center. Photo credit: NASA/ Dimitri Gerondidakis KSC-2013-3106