Gunnar Peterson's Core Secrets: 25 Minute Workout

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Core Secrets 25 Minute Workout leaves no room for excuses. Now you don't have to skip a workout and slow-down your results. Gunnar developed this time-sensitive workout especially for when you're short on time. This intensive workout hits all of your major muscle groups, helping to work your muscles and build your strength. Gunnar explains proper form and keeps you motivated throughout the workout.