Chris Arnett's 30-minute fat burning workout utilizes circuit weight training, which effectively combines muscle toning, cardiovascular exercise, and weight loss, specifically targeting women. The program features 'mini-circuits' that enhance heart rate and metabolism by combining leg exercises with upper body workouts, allowing for efficient training in a crowded gym. This workout can be completed in 30 minutes, providing a super cardio fat-burning routine suitable for home or local gym use.