Trainer's Edge - Cardio Interval Training with Petra Kolber
- The Trainer s Edge series is designed to bring the benefits of one-on-one workouts with the world s best personal trainers right into viewers living rooms. These renowned fitness experts are the trendsetters who work with celebrities and athletes to help them achieve optimal weight loss, muscle tone, and overall fitness. This volume features master trainer Petra Kolber s cardiovascular workout wit.