Zareer Patell explains the general structure of a CKB session: At the start of each class, the instructor teaches various moves and initiates a slow practice session so that you familiarise yourself with the format.

Next, you warm up for five minutes using some of the moves you just learned. Once your muscles are warm, you stretch them. Stretching focuses on the major muscle groups, including the hamstrings, adductors, heel cords, back flexors and extensors, and the muscles of the shoulder and neck.

After warming up and stretching, you begin the 40-45 minute aerobic session, which includes kicks, punches, speed bag, shadow boxing, jump-rope drills and footwork.

A cool-down period follows the aerobic workout. This period can include exercises for strengthening abdominal muscles. When your heart rate decreases, you stretch for five to 10 minutes. Most classes are between 60 and 90 minutes.