All-round Athlete

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The 400-meter sprint is the most difficult of all sprint events. It has very high requirements on athletes' physiology, special skills, physical fitness, physical strength distribution and other aspects.

First of all, in terms of physiology, due to the longer running distance of the 400-meter sprint, anaerobic accounts for a large proportion and aerobic accounts for a small proportion during the entire exercise, so this is a mixed-oxygen sprint event. During exercise, especially in the second half of 400 meters, the previous high-speed exercise caused oxygen consumption in the body, and the body will be in a state of hypoxia. At this time, the oxygen absorption is lower than the demand for adenosine triphosphate, so it is necessary to The glycogen in the body breaks down into lactic acid to provide new energy. This process is actually a test for athletes, so on the training ground, athletes who often see 400 meters will cover their stomachs and want to vomit, which is actually the normal reaction made by the body in an anaerobic state.

In terms of special technology, 400 meters and 200 meters are technically common to a certain extent, but 400 meters has a curve and a straight road, which is destined to be different in technical details. At the same time, due to the long distance, the adjustment of physical strength and rhythm have become the key. It is impossible for athletes to rush too fast as soon as they come up, and it is not possible to exert no force at all. The best case is to just take your own The physical strength is squeezed cleanly, so athletes should adjust the scene according to the actual physical conditions at the time of the competition, which also puts forward new requirements for athletes.

In the system, Zhang Guan found a skill. This skill is called "Incomplete Sprint Activation". The skill description of the ordinary level is "Activate this skill in the state of sprint or curve sprint. 75% of the original effect of the sprint or curve sprint will be obtained, the physical cost is reduced to 60%, and the effect disappears after the skill is turned off"; the effect of the expert level Increased by 5%, consumption reduced by 5%; master level and expert level increased by 5%. The cost has been reduced by 5%, achieving "the original effect of 85% sprint or corner sprint, and the physical cost has been reduced to 50%."

There is no limit to the duration of this skill, and the effect can be eliminated by directly canceling the skill, but there is a prerequisite for use, that is, the interval between two uses should be greater than 30 seconds.

For the 400-meter sprint. This is definitely a magical skill. The 400-meter sprint is the biggest difficulty in controlling the speed and rhythm and saving physical strength, but this "incomplete sprint activation" skill can just do this. Therefore, Zhang Guan did not hesitate to spend three skill points to upgrade this skill to the master level.

Zhang Guan did not tell the coach what he wanted to practice for 400 meters. He knew that if he told Yu, he would have a temper. I will definitely scold myself, saying that I would learn to run without even learning to walk. But Zhang Guan also has other methods.

At dinner, Zhang Guan sat in front of two athletes specializing in the 400-meter event. At first, he pretended to be a chat. Later, Zhang Guan was involved in the 400-meter event. Speaking of their own specialties, these two athletes immediately showed a look of knowing everything.

"The start of the 400-meter dash is not as important as the 100-meter or 200-meter. The 100-meter start is a matter of seconds. The 400-meter start is more important to make the next acceleration smoother. The first one of the 400-meter run Hundred meters is a curve. At this stage, we must first accelerate. Generally, only 70% or 80% of the force is used. After quickly increasing the speed, we will immediately turn into a uniform curve. The entire curve must maintain a certain rhythm. The second 100m is a straight road. Straight, in fact, there is only a straight line of 80 meters, this stage is mainly a high-speed running at a constant speed. The key point is to control the rhythm, do not try your best, but not too slow, try to put yourself in a more comfortable rhythm. The third hundred meters is the most difficult in the 400-meter run, mainly because the body's function has begun to decline, and this stage also needs to adjust the rhythm of the movement, as far as possible to adjust the physical condition to the best state to cope with the receiving The last 100-meter sprint. There is nothing to say about the last 100-meter sprint. Run as fast as you can, as fast as you can!" said a 400-meter athlete.

"Sounds so complicated!" Zhang Guan said in a very educated way: "Then how to control the breathing, one hundred meters can reach the end in one breath, how does the 400 meters ventilate?"

Another person said, "Two steps, one breath, two steps, one breath, or three steps, one breath, three steps, one breath. The methods adopted by different athletes are different, and each person's physique is different, so it is difficult to say which method is more Better, can only choose the method that is more suitable for you. But whether you choose two-step breathing or three-step breathing, you must increase the depth of breathing and increase the oxygen content in the body."

"Is there anything else that needs attention?" Zhang Guan then asked.

"That would be more. For example, warming up before running is very important. If you do not do well at 400 meters, it is easy to get injured. I am not talking about trauma on the limbs, but internal injuries to internal organs. It will be more troublesome to recover; and That is, the pace should be as large as possible during the first half of the run. This can reduce the frequency of some steps, reduce physical exertion, and ensure more speed reserve; in addition, the first corner enters the straight and the straight enters the second. In a corner, the rhythm and pace need to be adjusted quickly, otherwise it will affect the speed; in the second corner..."

The other side said, Zhang Guan nodded while keeping silently in his mind, but this way of talking on paper made Zhang Guan tickle.

...

The night is getting dark and the temperature is very suitable, but there is a touch of moisture in the air. The dense branches and leaves hanging on the trees on the side of the road block some street lights. The dim light shines on the ground through the gaps of the leaves, forming a strange The shapes, the breezes from time to time, these shapes start to change like little monsters.

Yu directed a sulky walk on the sidewalk. His family is in Beijing, so the time after get off work every day is a special torment for him, he will think of his family. So occasionally he would call on some colleagues to go to the nearby tavern and order some small dishes. Drink a bottle of wine to relieve the loneliness in your heart. But those colleagues live in this city, so when the party is over, everyone will go home. And Yu can only return to the dormitory of the training base alone.

Seeing that he was about to walk to the entrance of the training base, Yu Gui felt a little irritable. There was only one lonely person in the dormitory. When he went back, he could only face the TV, which made him very bored.

Suddenly, he saw that there was still a light on the training ground that did not go out. He walked subconsciously. Sure enough, I saw someone still training.

"It's so late, there are people training, who is it!" Yu Gui slowly approached, but found a familiar figure, it is Zhang Guan! Zhang Guan did not find Yu Gui in the dark.

"It's Zhang Guan!" Yu Guidian was surprised, and then a smile of relief appeared on his face. When he saw Zhang Guan was still training in the middle of the night, the original feeling of depression and loneliness disappeared instantly. At this moment, he felt that the sacrifices he had made were worthwhile.

"Okay, it's really good! This child has finally grown up! Knowing that his skills still need to be improved, so I will practice in the middle of the night. Just work hard, although this child's ability to learn special skills is indeed worse. , But the physical talent is very amazing. Now I know that hard work, the future is limitless!" Yu Guizhu praised, while continuing to hide in the dark, observe Zhang Guan training.

Then, he saw Zhang Guan ran into the straight from the corner, and then did not stop at the end of the straight, but then ran into the next corner.

"How did I run too far!" Yu Gui almost shouted, the end of the 200 meters was at the end of the straight. Therefore, Yu Guizhi thought that Zhang Guan should stop after crossing the straight, but did not expect Zhang Guan to continue to run forward.

"What is he doing?" Director Yu felt a little inexplicable, and then he saw Zhang Guan ran across the corner again, entered the straight again, and then started sprinting with great speed.

"How do you feel like you are running 400 meters? No, this is running 400 meters!" Even if he was drunk, Yu Gui was still the best sprint coach in China. He made an accurate judgment in an instant. Zhang Guan was Running 400 meters.

"Is it for eating and running? Before 200 meters, I ran 400 meters! I didn't learn to walk and wanted to learn to run! 400 meters is the most difficult sprint. Do you think you run like a hundred meters? Do you mindlessly rush forward!" Director Yu felt a little angry, and he was ready to step forward and give Zhang Guan a good lesson.

But then he stopped again, he saw Zhang Guan seemed to be thinking, and then began to warm up again. Yu Gui did not step forward, so he decided to observe first.

After taking a break for more than ten minutes, Zhang Guan stood on the starting line again, and it was the starting line of the 400-meter sprint. This time Yu Gui finally determined that Zhang Guan was really running 400 meters.

Yu Gui was ready to step forward again, and Zhang Guan had already started to move.

"Huh? At this speed, the rhythm seems to be quite good!" Yu Guizhu stopped again and continued to observe, he saw Zhang Guan entered the straight from the curve, and then entered the curve again. .

"It's bad, it's really bad! It's not the same way when you go straight into a straight road, ouch, it's even worse when you go straight into a curve!" Yu Gui Tuo said a few words, but then realized that Zhang Guan's sense of rhythm was very good, especially The first half of the speed distribution looks very good.

"The distribution of speed is very good. The degree of exertion in the first half is just right. No, it should be perfect! Many old athletes can't do it at this level. How did he do it?" Yu Guiding I know that a good speed distribution means that more physical energy can be saved for the final sprint. He can't help but look forward to Zhang Guan's final sprint, because the straight sprint is Zhang Guanguan's strongest point.

Sure enough, Zhang Guan had already fully accelerated before entering the final straight line. When he rushed into the final straight line, his speed had increased to an extremely high level.

At this time, Zhang Guan had turned off the "incomplete sprint activation" skill, so he showed that the actual speed is much faster than other athletes at this stage.

"What's the situation! Is he running 400 meters or 200 meters? How did it end up so fast!" Yu Guijian blinked, convinced that there was nothing wrong, and then sat on the ground almost scared.

"It's impossible! No one can still sprint with so much physical strength after running 300 meters! Zhang Guan's speed is now about the same as the sprint speed of some provincial teams' 200-meter athletes. Why is this happening? How did he do it? Is he still human? Can he make such a speed, indicating that his physical strength is still abundant, how is this possible? Is it possible that the previous consumption is less? But in front he is not too slow! Is it because the speed is well allocated? Reason, so there will be more physical strength to make the final sprint?" Yu guides him to discover that Zhang Guan has done another thing that makes him unable to think.

"In the 400-meter sprint, the distribution of speed and physical strength is the most difficult. Zhang Guan looks almost perfect at this point; as for other techniques, it is still too bad! Especially the adjustment between the curve and the up, this is the most Basic skills, but he won't!" Yu Gui suddenly felt a little depressed. Special techniques that others easily learned, but Zhang Guan mastered slowly; the speed and physical distribution that others took very hard to master, but Zhang Guan was a breeze. .

"Aren't they talents?" Yu Guizuo muttered to himself.

At this time, Zhang Guan seemed to be ready to start again.

Yu Guimeng remembered Zhang Guan’s bad technique when turning into a straight corner, and finally couldn’t help it. He came out of the darkness and shouted, “Stop, stop, it’s not like running like a straight!” (To be continued) .)

ps: The fourth one is delivered in advance. Let’s say in advance that we will continue with the seven chapters tomorrow. Seeking recommendation tickets! Thank you book friends Crow Eye, Dulu Fox, I love fantasy. Fantasy, Izumi 18, obizy, book friend tail number 3524, coffee house and piano, mouse on the fence, sdgi, dark spirits, nickname xxoo, sdassdfa, wind fragrance, qweeedsa, looking for the legendary net wolf, gchbin to reward. Thank you!