How long is the best time to exercise in a day depends on the purpose of exercise. If you want to lose weight and reduce blood fat, you should exercise for at least half an hour every day and keep low-intensity, rhythmic and lasting exercise. If you want to gain muscle and achieve the effect of bodybuilding, it is mainly strength training, not necessarily for a long time, because short-term strenuous exercise will make your body feel tired.

Normal people want to achieve the purpose of fitness, half an hour a day is enough. Because these kinds of sports involve different ways, if the activities are too intense at first, such as strength training, the oxygen supply of the body can't keep up with the rhythm of the exercise, the heart rate of the body can't come up, and the cardiopulmonary function is not strengthened, the exercise involved is anaerobic exercise.

Extended data:

Precautions:

1. Before taking part in formal sports, you must have a physical examination, especially if the user has not taken part in the corresponding sports for a long time before, it is best to have a physical examination first. After getting the fitness card, you should also test the cardiopulmonary function under the guidance of the coach.

2, step by step: If there is no fitness foundation, suddenly starting fitness exercise will not only lead to symptoms such as excessive fatigue, muscle aches, stiffness, but also may lead to heart disease. The key to fitness is to follow the principle of step by step.

3. Ensure exercise time: Be sure to set aside time for exercise. Although exercise takes some time, it is very important to keep healthy. You can try various types of exercise programs until you find a way to combine exercise with daily life.

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