Hello, for women in their forties, it is not recommended to do some high-intensity exercise. Doing sit-ups properly will reduce the fat in the lower abdomen and keep running. For everyone, the best physical exercise is running. Of course, a 45-year-old lady is no exception. As early as 2000 years ago, the words were engraved on the rocks of ancient Greece: "If you want to be strong, run!" ! If you want to stay healthy, run! If you want to be smart, run! "There is also a folk proverb in our country:" People get old from their legs first, and people get old from their legs first. "Running is a basic activity skill, and it is an action posture for the rapid movement of the human body. The main difference between running and walking is that there is a flight stage in the process of alternating landing. Running is the simplest and most effective fitness content. In the past two or three decades, running has become a popular fitness sport with millions of people at home and abroad, and it is a popular fitness project. It is generally believed that running is the best way to keep healthy. Running can promote the health of the most fundamental organs of the body, strengthen the heart, lungs, blood circulation system and its endurance, and the health of cardiovascular system is the most important symbol of physical health. Running is a whole-body exercise, especially relying on the lower limbs far away from the heart and lungs to do periodic running movements to push the human body forward, which has a great influence on the human body. Running is a practical skill and an effective means to develop sports qualities such as speed, endurance, dexterity and coordination, promote the development of motor organs and internal organs, and enhance the physique of growing teenagers. For middle-aged and elderly people, it is indeed a good way to maintain energy and physical strength, prolong life and strengthen the body. The main fitness functions of running are: 1. Enhance cardiopulmonary function: Running has great influence and function on cardiovascular system and respiratory system. Teenagers insist on running exercise, which can develop speed endurance and promote the normal growth and development of heart and lung. Middle-aged and elderly people insist on jogging, that is, insist on aerobic exercise, which can ensure the full supply of blood, nutrition and oxygen to the heart and maintain and improve the function of the heart. Practice has proved that some middle-aged and elderly people who insist on long-distance running have the same heart function as those who are 25 years younger than him and do not exercise regularly. The same is true of lung function. Promoting metabolism helps to control weight: overweight and obesity are often risk factors for illness, and lack of activity is one of the important reasons for overweight and obesity. Therefore, weight control is one of the important principles to keep healthy, especially for middle-aged people. Running can not only promote metabolism, but also consume a lot of energy and reduce fat accumulation. For those weak people with poor digestion and absorption function and light weight, moderate running can activate metabolic function, improve digestion and absorption, stimulate appetite and play an appropriate role in fattening. It can be seen that running is an excellent method to control weight, prevent overweight and treat obesity. 3. Enhance nervous system function: Running outdoors or in the suburbs has a good effect on enhancing nervous system function, especially eliminating mental fatigue and preventing neurasthenia. People who insist on running exercise have the same experience, that is, running not only has obvious effects on fitness and strengthening the heart, but also has excellent effects on regulating the internal balance of the human body, regulating emotions and refreshing the mind.

I hope you can choose a suitable exercise mode according to your physical condition.