Photo of Petra Kolber Petra Kolber

Petra Kolber in Trainer's Edge

Trainer's Edge: Cardio Interval Training with Petra Kolber

2004 NR

Master trainer Petra Kolber has worked with celebrities and athletes to help them lose weight and get fit. Now, she brings her proven methods to a combination cardio-weight workout, giving viewers the benefits of having their own personal trainer. Designed for beginning- and intermediate-level users, the program helps increase your heart rate and tone muscle in just minutes a day. A routine for improving balance and posture is also included.

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