http://www.porthealth.com/templates/Default/img/logo.gifhttp://www.porthealth.com/Gunnar Peterson teams up with Brooke Burke to bring fun, innovation and results to your workout. Core Secrets - another healthful exercise workout used by athletes and celebrities across the countryhttp://www.porthealth.com/exercise-programs/core-secrets/http://www.porthealth.com/exercise-programs/core-secrets/Core-Secrets-Workout-l132.html- The Core Secrets Workout with Brooke Burke and Gunnar Peterson. Core Secrets will help you to achieve maximum results in weight loss, building muscle tone, and total body fitness. Get rock-hard abs with Core Secrets' specialized 1-2-3 Core techni