Cardio training is an exercise with the purpose of developing cardiovascular or aerobic fitness. Cardiovascular fitness is a good measure of theheart'sability to pump oxygen-rich blood to the muscles. Cardio training generally involves exercisingwitha constant moderate level of intensity, over a period of time,during which the cardiovascular system isreplenished to supply the muscles with oxygen. Common activities include walking, running, cycling, swimming, jumping rope, climbing stairs and tying. Such activities gradually affect the most important internal organs and improve the work of the heart, lungs and circulatory system. Cardio improves many aspects of health, including heart health, mental health, scheduling, sleep, weight regulation, and metabolism. The latest technology allows users to achieve excellent results while increasing efficiency. There are many functions that revive exercise and monotony and boredom is a thing of the past. Using various treadmills and applying training systems, trainings with this target orientation also take place in fitness centers and smaller halls. Cardio training improves many aspects of health, including heart health, mental health, mood, sleep, weight regulation and metabolism.