The standard scores of girls' 50-meter running are divided into pupils, junior high school students, senior high school students and college students, as follows:

1, primary school students: girls who passed the 50-meter grade in the first grade of primary school 13.80 seconds; The passing score of 50 meters for girls in the second grade of primary school is 12.80 seconds; The passing score of girls in the third grade of primary school in 50 meters is 12.00 seconds; Girls with a passing grade of 50 meters in the fourth grade of primary school 1 1.50 seconds.

2. Junior high school students: the passing score of 50 meters in junior high school is 10.9 seconds -9. 1 second; The girl who passed the 50-meter grade in the second day of junior high school is 10.8-9 seconds; The girl who passed the 50-meter test in Grade Three is 10.7 -8.9 seconds.

3. High school students: 50-meter passing score of senior one girls 10.6 seconds; Girls who passed the 50-meter test in Grade Two 10.5 seconds; Girls who are over 50 meters in senior three are 10.4 seconds.

4. College students: girls who passed the 50-meter test in freshmen and sophomores 10. 1 sec; The passing score of 50 meters for junior and senior girls is 10.0 second.

Precautions for running

1, concentrated

Concentrate when running to avoid distraction. You can wear headphones to listen to music and pay attention to road conditions at any time. At the same time, run step by step, don't be too radical at first, and slowly increase the distance and time. Keeping persistent running habits can improve heart and lung function and improve running effect.

2. Adequate and reasonable warm-up exercise

Warm-up exercise is an important preparation activity before running, which can improve running skills and skills. It mainly includes jogging, dynamic stretching and other actions, which can stretch muscles, joints and movable joints, so that the body can gradually adapt to sports.

Step 3 breathe evenly

Keep breathing evenly when running, so as to exercise better. Breathe deeply and slowly, and keep breathing in sync with the pace. Taking a deep breath can keep the inhaled oxygen and reduce fatigue. Breathe naturally when running, and you can breathe through your mouth and suction nozzle. Use "three steps" when jogging, that is, run three steps when exhaling and three steps when inhaling. Proper breathing can improve exercise efficiency.