• Crunch Fitness (map)
  • 1150 Park Place
  • San Mateo, CA, 94403
  • United States

America’s Toughest Trainer brings you her revolutionary workout. Offered exclusively at Crunch, this Metabolic Conditioning class can rev your metabolism¬ and will have you burning fat and extra calories for days. Define muscles and condition for peak performance using Jillian’s 3-2-1 interval/circuit training approach – 3 minutes of strength, 2 minutes of cardio and 1 minute of abs, all packed into an intense 30-minute workout.