Shorts, loose. Pants are very tired when running. When you can exercise, put on a layer of pants and take them off before running. It is important to keep the heat.

Operation maintenance

First, breathe:

1. Breathe through your mouth and nose at the same time, and let the air pass through both sides of your tongue, which can moisten the air and prevent the cool wind from blowing straight into your throat.

2. Running is generally two steps and one breath, two steps and one breath, or three steps and one breath.

Steps: the size of the 800-meter runner is not important. Get used to it and run, don't change it easily.

Second, the treadmill: You can do some aerobic exercise on the treadmill, which is not fast, but you can run for at least 20 minutes.

Third, warm-up exercise:

1. Jog first and sweat a little.

2. Do leg press, press waist, turn around, pat shoulders and other activities. And move related joints, ligaments and muscles.

3. Do two or three 30-meter acceleration runs. (The above content is completed 20 minutes before the competition. )

4. After getting on the runway, do a few vertical jumps in the same place to improve your excitement.

Pay attention to keep your body temperature during this time and don't let your body cool down.

Clothing: as long as it is suitable for sports, but don't wear too much. If you sweat too much, you can't walk away. Pay attention to put on warm clothes immediately after running, and change wet underwear if possible.

Five, diet:

1. Drink some high-concentration glucose water 30 minutes before exercise (glucose is a monosaccharide, which can be quickly digested and absorbed and directly acts on muscles). Don't drink other drinks. Drink white water when you are thirsty, and don't eat any food 30 minutes before exercise.