First, the body temperature is relatively low in the morning, the levels of insulin, thyroxine and leptin are relatively low, and the blood pressure will rise rapidly, but the testosterone level is the highest in a day. Testosterone hormone is a necessary condition for muscle growth, which is one of the reasons why many men who have the goal of gaining muscle choose to exercise in the morning to gain muscle.

Doing exercise in the morning can improve metabolism throughout the day. But if you do strength training in the morning, you are more likely to get injured, so it is recommended to do moderate and low-intensity aerobic exercise and stretching in the morning.

However, in morning exercise, you must supplement your energy by eating. It is worth noting that people with postural hypotension, as well as those who did not eat staple food the night before and are prone to hypoglycemia, must never exercise on an empty stomach in the morning.

2. The period from 4 pm to 6 pm is the most vigorous time of a person's metabolism in a day. During this period, muscle endurance and body temperature are high, which is suitable for consuming excess calories through fitness exercise.

When is the best time for fitness? It depends on the goal of fitness, mainly to reduce fat and weight. Newcomers perform better in fitness at 4-6 pm!

In short, the focus of fitness is to really do it. There is no need to worry too much about whether fitness is good in the morning or good in the evening. The body has strong adaptability. Whether in the morning or at night, as long as the body is suitable for fitness and can enter the state, it is the best.