CARDIO and FITNESS; Cardio, known as exercises related to heart rate, is also recommended by doctors. Heart rate increases with cardio exercises. In this way, the rate of fat burning with cardio also increases. It is recommended to do cardio before starting sports. Fitness, which means physical fitness, is the term used for the whole of the exercises done for more fitness and physical fitness in daily life. Fitness and bodybuilding are different concepts. While the main purpose of bodybuilding is to increase muscle volume and mass, fitness allows the body to look more fit. Fitness, which is defined as exercises to have a healthy life and to keep the body in shape, helps to burn fat in the body.