Common aerobic exercises include: walking, jogging, skating, swimming, cycling, playing Tai Ji Chuan, dancing, doing rhythmic exercises, etc.

Of course, walking and cycling are common. Others depend on the situation. For example, you often swim.

Let's take a look at what aerobic exercise is.

Human movement needs energy. If energy comes from aerobic metabolism (oxidation reaction) in cells, it is aerobic exercise. But if energy comes from anaerobic glycolysis, it is anaerobic exercise. During aerobic metabolism, full oxidation of 1 mol glucose can produce 38 ATP (energy unit) energy; However, in anaerobic fermentation, 1 mol glucose only produces 2 ATP. During aerobic exercise, glucose metabolism produces water and carbon dioxide, which are easily excreted through breathing and are harmless to human body. However, a large number of intermediate metabolites such as pyruvate and lactic acid are produced during glycolysis, which cannot be eliminated by respiration. When these acidic products accumulate in cells and blood, they become "fatigue toxins", which will make people feel tired and weak, muscle aches, difficulty breathing, rapid heartbeat and arrhythmia. In severe cases, acidosis will occur and the burden on liver and kidney will increase. Therefore, after anaerobic exercise, people will always be exhausted, and muscle pain will last for several days before it disappears.

So is easy exercise aerobic?

Light exercise is not aerobic exercise, nor can it achieve the purpose of exercise. Only when aerobic exercise reaches a certain intensity can we exercise the cardiopulmonary circulation function and improve people's physical strength, endurance and metabolic potential, which is the most valuable exercise. In other words, aerobic exercise is meaningful only if it reaches or approaches the upper limit. The limit of this upper limit is different for everyone.