Jen Aldrich (center) leads the workout during a body attack session as fellow instructors Jonathon Bramlett and Heather Grieser-Yoder follow at Core Fitness on 1st Ave in Iowa City on Thursday, April 17, 2014. The instructor, a friend of Becky *Last Name* has embraced her friends cause and is leading activities this month for autism awareness.(Justin Torner/Freelance for the Gazette)