This Friday, May 20, 2011 photo shows fitness instructor Kirsten Potenza as she holds drumsticks after a fitness class called "Pound: Rockout. Workout." at Crunch Fitness in West Hollywood, Calif. (AP... more 
This Friday, May 20, 2011 photo shows fitness instructor Kirsten Potenza as she holds drumsticks after a fitness class called "Pound: Rockout. Workout." at Crunch Fitness in West Hollywood, Calif. (AP Photo/Jae C. Hong) less 
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Associated Press | Photo By Jae C. Hong
Wed, Jun 22, 2011 10:52 AM EDT