Kettering adds outdoor fitness activities including, Zumba, Pilates and yoga. Health News Kettering adds outdoor fitness activities including, Zumba, Pilates and yoga. Beatrice J. Doty April 17, 2021 “I love being outdoors. I’ll take outdoor exercise over indoor exercise any day,” instructor J.J. Kunkle said.... Read More Read more about Kettering adds outdoor fitness activities including, Zumba, Pilates and yoga.