Thin people have relatively little fat content. As long as you control your time and don't run for too long, you can improve your heart and lung function and exercise your leg muscles. If you don't exercise too much, you won't get thinner.

If you feel too thin, you can go to the gym or do equipment training at home. Dumbbell barbells are heavier. Exercise can stimulate muscles, and a nutritious diet every day can promote muscle growth.

The time should be controlled within 40 minutes, and more foods such as high protein and carbohydrates should be added. If you can, you can also buy some pure whey protein powder and make a cup after exercise. Eat more white meat, such as muscle and fish, when eating every day. Red meat can eat more beef and mutton. There are more kinds of eggs, milk, whole wheat bread and fruit in the morning.

Running is defined as land animals moving with their feet. It is defined as a step in sports, and both feet will not land at the same time. It can also be aerobic exercise or anaerobic exercise.

Paying attention to fitness and running is the most basic requirement for physical fitness. First of all, you should exercise and keep fit. At the same time, you should warm up before running to avoid running affecting your health.

Running exercise is one of the most commonly used physical exercise methods, mainly because the technical requirements of running are simple and no special venues, clothes or equipment are needed. No matter in the gym, sports ground or on the road, even in the fields and Woods, you can do running exercise. You can master the speed, distance and route of running by yourself.

Reference: Baidu Encyclopedia "Run"