Exercise can enhance physical fitness, exercise can also lose weight, but not all exercise is helpful for weight loss, improper exercise may make you gain weight. The following three types of exercise are not conducive to weight loss.
Large amount of exercise
If the amount of exercise is too large, the oxygen, nutrients and metabolites required by the human body will increase accordingly. This will depend on the heart to strengthen the contractility and contraction frequency, and increase the output of the heart to complete the transportation task.
When exercising a large amount of exercise, the output of the heart can not meet the oxygen demand of the body, and the body will be in anoxic anaerobic metabolism. The anaerobic metabolic exercise does not use fat as the main energy, but mainly decomposes the glycogen stored in the human body to release energy. In anoxic environment, fat can not only be used, but also produce some incomplete oxidation of acidic substances, reducing the body's exercise tolerance. After a short period of intense exercise, blood sugar levels will decrease, and blood sugar lowering is an important cause of hunger. At this time, people tend to have a strong appetite, which is extremely detrimental to weight loss.
Short-term exercise
In aerobic exercise, the first to use is to store energy in the human body to release energy. After 30 minutes of exercise, the release of energy from the glycogen to the release of energy from fat was initiated; after about one hour of exercise, the energy required for exercise was dominated by fat supply. For example, the common aerobics weight-loss bodybuilding lasts only about one hour. In other words, when fat just begins to break down, people stop exercising and their weight loss may not be ideal.
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Rapid explosive movement
Human muscles consist of many muscle fibers, which can be divided into two major groups: white muscle fibers and red muscle fibers. During exercise, such as rapid explosive force training, the main white muscle fibers are exercised. White muscle fiber cross-section is relatively thick, so the muscles are easy to develop thick and strong, the more the practice will be more "bold."
In short, to achieve the goal of systemic weight loss, it should be done with 120 to 160 beats per minute in the low-intensity, long-term (more than one hour) endurance exercise aerobic body movement. For example, long-distance running, long-distance swimming, mountain climbing and so on.
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