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Because he was late for his nap, Liu Huaxing chose to ride a bicycle when he rushed to school.

"Hmph, what you say is harsh, and you are not leading me honestly." Yang Xiaoxiao sat on the back seat of Liu Huaxing's bicycle and said with a proud smile. Liu Huaxing shook his head helplessly: "Then I can't let you run behind, can I?"

"Oh! It's comfortable not having to walk by yourself." Yang Xiaoxiao stretched in the back seat and smiled, but at this time the bicycle suddenly bumped on the road, and a bump made Yang Xiaoxiao scream in fright, and quickly hugged her his waist.

"Do you still have to be embarrassed?" Liu Huaxing smiled gloatingly, and Yang Xiaoxiao slapped him hard from behind: "Is it on purpose?"

Liu Huaxing didn't reply either, and just rode forward silently.

He is still very happy in his heart, Yang Xiaoxiao will come and think about taking care of him when he is tired. Although Qin Yulu might have such an idea in her heart, she still didn't put it into practice after all, so in the end it is the ending now.

"By the way, it's the first time I've seen you say you're tired." Yang Xiaoxiao reached out and grabbed the hem of his clothes and muttered behind him, "I thought you were a superman and would never get tired. Did you try to be brave? when?"

"It's not that I'm tired. I still have extra energy. I'm just worried that it will affect the long-distance run in the afternoon, so I just took a rest." Liu Huaxing said disapprovingly, "Now that I'm full of energy, I can go for a long-distance run in the afternoon?"

"Well, come on, don't force yourself, it's okay even if you don't get the award, you are not a sports student." Yang Xiaoxiao replied behind him. It's a pity that Liu Huaxing couldn't see her expression and posture. Although he could see the envy on the faces of the people around him, he didn't really feel anything...

"I know." Liu Huaxing replied, and soon the school appeared in sight.

After stopping the bicycle, Yang Xiaoxiao jumped off the bicycle lightly, patted him on the back: "I'll go first."

"See you later." Liu Huaxing smiled slightly, and Yang Xiaoxiao gave him a playful smile, then put her hands behind her back, and bounced to their class area. And Liu Huaxing went to park his bicycle, and then followed him to their class area on the playground. Ren Xia came over immediately after arriving in class, and asked with concern, "How is it? Are you okay?"

"Fortunately, it might be because I ran too hard in the morning and I'm a little tired. It's good to have a rest." Liu Huaxing nodded. At this moment, he saw Qin Yulu behind Ren Xia, looking at him worriedly.

"That's good, hurry up and get ready to warm up, the 2,000-meter race is about to start." Ren Xia reminded.

So, Liu Huaxing came between Qin Yulu and Yang Xiaoxiao, and handed them his coat: "Look at it for me."

"Come on..." Qin Yulu waved her little hand and smiled, Yang Xiaoxiao just looked at him with a smile on her chin, she had already said what she should say before. So Liu Huaxing nodded and came to the arena to warm up.

The advantage of the 2,000-meter course is that it can be divided into two sessions, with more than 20 students running together for one round, and then ranked according to their scores. After a brief warm-up, Liu Huaxing came to the arena and started a 2,000-meter run.

Although he has run more than ten or even twenty kilometers while jogging, it is the first time for him to try the 2,000-meter long-distance race. He is a little rusty in experience, but he only knows one thing: he doesn't like long-distance running.

He likes jogging, because jogging can be done slowly according to his own pace, and he can run leisurely and comfortably, but a two-kilometer long-distance run is not jogging at all, but a kind of racing, and he must go as fast as possible. Run, run fast.

During the long-distance running, Liu Huaxing didn't enjoy the feeling at all, but just ran as fast as possible within the scope of his physical ability. Because he has run many long-distance runs, he knows his physical condition, how fast he can run the 2,000 meters, as long as he runs on that basis first, and then sprints at the final stage.

Liu Huaxing's physical fitness is very good. At the beginning, he didn't rush to speed up, but ran at his own pace and kept breathing evenly, and then let others run ahead of him. But in fact, these people's running skills are really stretched. Many people run recklessly with their heads up while running, but this is actually a very low-level mistake.

When actually running, the upper body should be leaned forward, so that the center of gravity will follow the forward lean, driving the person's body forward.

Many students started running extremely fast, and then slowed down when they couldn't keep up with their breathing, but Liu Huaxing was just the opposite. In the early stage, run at a slower speed to gradually activate the body, and then increase the speed little by little.

The next thing is very interesting. Liu Huaxing overtook the people in front of him one by one. After the third lap, he had already reached the first position. By the fourth lap, he had already dropped the last place by a whole. lock up. At this time, it was also the sprint of the fifth lap. Liu Huaxing's physical strength was still more than enough, but his breathing had already started to rush.

Under normal circumstances, jogging is best to maintain the state of being able to breathe only through the nose, but this is a competition, so it is necessary to run two kilometers as fast as possible. So now Liu Huaxing also uses his mouth to breathe, but he still controls his breathing rhythm in an even state, not messed up, so that the body is still operating according to the normal rhythm.

But on the other hand, the few students who ran at the end were already out of breath, and their movements were completely messed up. It was already difficult for their bodies to take in oxygen through breathing, and a few of them were about to give up.

At this time, Liu Huaxing started to continue to speed up. Of course, he did not sprint at the speed of 50 meters, but kept running as fast as his body could bear. After all, he was already number one now. Therefore, Liu Huaxing crossed the finish line with an absolute lead.

After crossing the finish line, he didn't stop in a hurry, but slowed down slowly and walked around again to slow down his heartbeat gradually so as not to put too much load on his body. At this time, his breathing was actually not too short, and he calmed down after a little adjustment. After all, he had run 20 kilometers, so these two kilometers were nothing at all.

After he completed a full circle, the others hadn't all reached the finish line.

"Six minutes and fifty-seven." Li Ping gritted her teeth and gave him a hammer on his shoulder with a smile, "You brat is not only good at sprinting, but also good at long-distance running. Usually eight minutes is a very good score. More than six points. How do you usually practice?"

"Four kilometers every morning, and do some anaerobic training at night." Liu Huaxing simply replied.

When long-distance running and sprinting are not the same, the methods and effects of exercise are also different. Sprinting is an anaerobic exercise, while long-distance running is an aerobic exercise. Anaerobic exercise builds muscle, aerobic exercise reduces fat, so long-distance runners usually have particularly developed leg muscles, but long-distance runners are tall and thin. This also shows that Liu Huaxing now has both endurance and explosiveness.

It was at this stage that Liu Huaxing could rely on physical fitness and technique to get good grades in both subjects, but in the field of professional athletes, basically no one can take care of both sprinting and long-distance running at the same time.

"It seems that I have some understanding of fitness." Li Ping said, waving for him to sit down: "Sit down, let me help you stretch your leg muscles, and you will continue the competition tomorrow. If you don't stretch, your muscles will be weak." The pain is unbearable.”