At Orangetheory, it’s all about firing up your metabolism with heart rate-monitored high-intensity workouts that target every muscle group. After each satisfying hour-long session, enjoy the “afterburn” as your body continues to burn more calories than usual for the next 36 hours. Designed for all fitness levels, workout sequences rotate daily so you’ll never get bored. Rates start from $48 for a drop-in class. Exclusively for Shape readers: Enjoy two trial classes and get 20 per cent off your first month of Premier membership. Visit robertson-quay. orange theory fitness. com or tanjong-pagar.orangetheoryfitness.com.