just to make those dreams come true

Chapter 157 Analysis Session ([-])
In the projection room, the images on the curtain were flickering.

Staring closely at the screen, a row of figures stepped on the starting block and squatted on the ground, and then the screen was edited into a magnified and juxtaposed pattern of two people, with the sound of the starting gun coming from the speaker.The video screen was adjusted to become extremely slow, and Zhao Lin could clearly see the tense muscles in his calf when his right foot kicked the ground.

It seemed as if they could see the power transmitted by the muscles, to the joints, to the thighs and the whole body forward. The picture in the video allowed them to see the whole process of exerting force very clearly.A cascade of muscular actions is unusually pronounced.

Start, take a step, and the two react almost simultaneously during the race, with reaction speeds of 0.121 and 0.127.There is almost no difference to the naked eye, but the difference is extremely obvious in extremely slow playback.

Green's starting reaction was very fast. When his right foot was off the pedal and the center of gravity of his body had almost shifted to his left foot, Zhao Lin had just stepped forward with his left foot.As Zhao Lin touched the ground with his left foot, power was transmitted through the muscles, but at this time Green's next move had already started, and there was a big gap.

Zhao Lin couldn't help but asked: "My start is too slow, and the power transmission after the start is worse than his?"

The coach has analyzed the process of the game for him, and he has this consciousness about starting and starting slowly.Of course, follow-up correlation, speed and strength will also be poor, as the coach also said.But now it is so intuitive that he can see the changes in the power transmission of his legs in one step. Green's efficiency is obviously much higher than his.

Lin Mu smiled slightly, and lowered his hands slightly, "Don't worry, let's talk about it after watching this round!"

Zhao Lin didn't make a sound, so let's continue watching. It's the first time to watch him so intuitively. He feels that it is more exciting than many movies. If he is the one who is more efficient, it will be perfect!
The screen of the video is still moving forward at an extremely slow speed. The two people cut out in the screen are moving slowly step by step. After two steps, after three steps, the gap is widening. At this time, Zhao Lin seems to have discovered some problems .Just as he was about to speak, Lin Mu pressed his hand again, "After watching this group!"

Zhao Lin held back his words helplessly, he really felt that he saw the problem!

The screen stopped when Green surpassed one body position, and then Lin Mu changed to the next one, the same screen, also with legs, this time it was replaced by Yang Zuyao, which was also a match in the World Championships. In the 200m final, he was compared with Button and Capel.

Starting from the first Zhao Lin, one after another, Yang Zuyao, Shen Huan, Chen Jianhai, Shen Bao.Those sitting here are all professional practitioners, even if they are not coaches and athletes, they are also experts in physical aspects.At this time, the problem was found.

As Shen Bao's picture froze at the end, Zhao Lin couldn't hold back his words at this moment, and said impatiently, "Coach, it's me... my body is shaking?"

Not only Zhao Lin, but the others also nodded thoughtfully. There was indeed a body shaking movement, which could not be seen when running normally.But under such slow playback and targeted comparison with people, it is very clear.If it wasn't for such a comparison, maybe they would still think that a little shaking is a normal action.

Lin Mu nodded in satisfaction, and switched the screen to Zhao Lin again, "Come on, let's watch it again."

As he played it again, everyone paid more attention to the situation and watched it more carefully. At this time, they really understood the purpose of Lin Mu's release of this group of videos.

In the screen, when Zhao Lin took the first step, Lin Mu said: "Look at Zhao Lin's foothold, which is on the left side of the runway, and look at Green, his left and right footsteps are all close to the central axis. Slightly to the left. This is not critical. For 100 meters and 200 meters, as long as it does not cross the line, it is not important.

It is mainly the footsteps behind, Green's start, from the first step, his body moves forward along the position he stepped on, we can see that during the first few steps of running, the center of gravity of their body is almost A straight line forward, and always has been.Even the two runners who ran 200 meters behind started on a curve, but their bodies kept running on a relatively regular and constant trajectory.As for Zhao Lin, the wiring was a bit wobbly. "

Through Lin Mu's non-stop playback of the screen, they can see more and more clearly, the subtle differences are really subtle.You can hardly feel it if you experience it yourself.But one thing cannot be denied, the straight line is the shortest distance between two points.

No matter how you look at it, you will lose a lot of speed if you shake slightly left and right, and the distance is longer than others, even if the difference is very subtle.But in the [-] meters, the gap between the rankings is extremely small.

In the past, they have trained athletes to control running on a relatively straight line.This is common sense!But such a slight adjustment of self-centeredness is a problem that they have not been aware of.

"Let's take a look at other people's. I made a frame for 5 people..." Lin Mu then opened another video again. This time, the figures of 5 people appeared on the screen, "Let's make a In contrast, the degree of body movement is different, which just allows us to analyze the overall running efficiency under the same time." After finishing speaking, click play.

Almost everyone was engrossed in staring at the backs of several people in the video, especially the athletes involved. Now that their problems are being talked about, they are particularly concerned.In the picture, as they step out step by step, the difference is indeed obvious,

"Brother Bao is so fast! So stable!" Until the screen stopped, Zhao Lin couldn't help but praise him.

Indeed, the most stable player in the video is Shen Bao, who is almost the same as the foreign players shown before. In the first half, every step is almost in a straight line, and the center of gravity of the body rarely changes, while the other four almost have Different degrees of positional changes and self-adjustment of body shaking.

Lin Mu agreed with Zhao Lin's words. Shen Bao is indeed fast and steady, but this is because the stride frequency is too small to maintain the effect.Moreover, when he started running, he was smaller than the back. Through comparison, it can be seen that Shen Bao's pace is very fast at such a frequency, but others are more than one step away from him, and Shen Huan, who is shorter than him, has a faster pace than him. He is older, this was adjusted for Shen Huan at the beginning.

In the last half of the race, there are actually very few leading advantages. When encountering strong strides and bursts, it is even difficult to run out of advantages.For example, compared with Zhao Lin, halfway through the same time, he has almost no advantage.

Nodding slightly, Lin Mu analyzed: "Yes, Shen Bao's is the fastest and most stable, but what is the final result of the [-] meters?! The problem lies in the stride length, especially the front stride length at the start, which is too small!"

Shen Bao was a little embarrassed, he touched his head and didn't refute. He participated in the 100-meter championship this time, and lost to Chen Jianhai, which he expected.He reluctantly accepted the loss to Shen Huan, but he was still a little embarrassed to lose to a student athlete of a college sports team.It's all the same problem, a little ahead in the first half, but thrown out in the second half.

There are reasons for the former coach.There are also his own reasons.When he first started to practice running, his stride was actually bigger than now, but the coach asked him to change it.

He also thought that he might not be able to run the whole journey anyway, so it is better to compress the first half of the journey.Because of this, his first 30 meters are very fast, such a small stride did not affect his speed, but brought out his flexibility!If you practice speed resistance and comprehensive physical fitness, you may be able to perform at a good level.

"Compress the stride in the early stage, and give full play to the maximum limit of the stride frequency. You have the advantage from the start stage, right?" Lin Mu smiled and looked at Shen Bao. After receiving Shen Bao's affirmation, he continued, "But because of this The frequency consumption is huge. Because of the chain effect of the step frequency in the middle and late stages, if there is no good enough speed resistance and reaction force to support it, it is inevitable to fall behind, not to mention the strength. This is the next question. Let’s not talk about this, let’s go back to the question just now.”

Shen Bao almost jumped up, don't say nothing.He lifted his butt slightly, and just wanted to speak. He practiced speed resistance and physical fitness, but the effect was not satisfactory. He also wanted to find some problems and improve himself.

I just suddenly remembered something, and then I held back and sat back down again.His eyes also inadvertently glanced at Coach Liu Ren who was two places away.

"During the starting stage, the body is constantly adjusting the center of gravity. The body shakes slightly from side to side, and the route is not straight. It is inevitable to lose speed in the middle." Lin Mu tapped Zhao Lin's left foot on the screen. It has nothing to do with the footsteps. The reason for the unstable center of gravity is the lack of the ability to maintain the stability of the center of gravity and the ability to accept the speed during the change from static to high speed. That's why people subconsciously adjust through footsteps."

Lin Mu made a serious judgment. This has always been a problem. From the beginning of leading people, this is what Lin Mu observed.From the beginning of leading people, he has done a lot of analysis.In the comparison of the five people just now, apart from Shen Bao, who deliberately controlled his stride in the early stage, Zhao Lin's shaking was the slightest among the others. Even Shen Huan, who had been insisting on doing part of the training that Lin Mu had arranged at the beginning, was worse than Chen Jianhai. slightly better.

When Lin Mu said this, everyone completely understood.

Yang Zuyao had to watch more carefully than others. He had actually analyzed it, but he had never noticed the problem of body shaking. It was impossible to see clearly without this kind of video playback.But he knows the speed and responsiveness, and there is a more important point,
"Core strength! Special core strength and strength response!" Yang Zuyao expressed his judgment with certainty.

Lin Mu smiled and gave him a compliment, "Yes, core strength and strength response. This is what I emphasized from the beginning. Core strength is the foundation of any movement. In our sprint, it not only plays a significant role in stability but also in explosiveness. , it will also improve the support of the hip joints to the lower limbs during the flight process. That is to say, it acts on the stride length. The stride length adjustment for Xiao Zhao before was adjusted to a stable 45-step training direction, which is also based on the improvement of his core strength. premise."

Yang Zuyao was thoughtful, Zhao Lin suddenly realized, and other athletes and coaches were turning their heads with serious faces.As for the two leaders, the expressions on their faces were somewhat inexplicable.

next to the projector,

While operating the playback device, Lin Mu didn't care about their expressions. Next, a group of video images were played, such as running on the way, sprinting back, pressing the line, slight changes, and even the body during running. The force action details of the local muscles of .Lin Mu analyzed bit by bit.Through the comparison between athletes and top foreign players, there is also a comparison between the five listed before.Lin Mu gave targeted explanations one by one.

The athletes present became more and more serious, especially Chen Jianhai and Shen Bao.Through such a comparison, they discovered that there were so many problems.Not to mention the comparison with those abroad, because the reluctance of foreign countries can also be said to be a physical disadvantage, compared with Zhao Lin and Yang Zuyao, there are also gaps in physical and technical awareness.

Meng Shaoqiang and Liu Ren were equally serious, with a look of astonishment on their expressions.They didn't mean to be embarrassed.They were mentally prepared before they came, but they didn't expect that the gap would be so big when they observed in detail.But after thinking about it, I understand a little bit. Can the gap of 0.1 or 0.2 in [-] meters be small?It would be strange if there were not so many differences!
For a moment, it seemed to turn back to what Lin Mu had mentioned at the beginning, strength, which was also something that these athletes in the country lacked before.

In fact, after they felt Zhao Lin's rapid progress at the beginning, they consciously strengthened their strength training, at least it was much better than before.But it is still an old problem, not sure to what extent it can be controlled, and the body's tolerance is also somewhat lacking.Now that several months have passed, their athletes have improved, but compared with these two, the gap has been widened!

After playing all the comparison videos made before, the temporary analysis content explained by the leader is over!He also breathed a sigh of relief, and deliberately used the comparison videos of many athletes to analyze the problem. It was not to prove that the athletes he brought were better, and it was not to embarrass anyone. It was the fastest analysis and diagnosis method he could think of. .

He just uses comparison to analyze the problem, which attributes, which parts of the body muscles can exert better force, how to change the technique can be better, and even whether to completely change the rhythm, these are the key issues.

If you are conscious, then you can practice in a targeted manner, and finally improve the efficiency of exercise through training, which is the goal.This should be the purpose of the leaders specially arranging such an analysis meeting!
The staff who had been busy for a long time finally processed today's video and handed it over to Lin behind the scenes. He also heaved a sigh of relief.In fact, he felt pretty good, otherwise he wouldn't have cooperated so actively.He felt that coach Lin had pointed out a good path for him, a path that would lead him better in the national team.

Lin Mu nodded with a smile and thanked the staff.Then the newly released group of videos was called up and put into the playback sequence.The task arranged by the leader, or expected to be completed by him, he estimates that he has completed it.

It was just a comparison, anyway, no matter what the effect is, that is something that the two coaches should consider!That's all in the past, if they want to discuss it in the future, that's another matter.

As for the next step, there will be another comparison, which is also the original intention of Lin Mu's analysis meeting today.

Gently click to play, the screen flashes again, the backs of two people appear, squatting on the ground, stepping on the starting block.

It was Zhao Lin and Yang Zuyao, and the people watching made a judgment in an instant.Although the background has been blurred, they can roughly tell that it is an indoor training ground.

"This is the video of Xiao Zhao and Xiao Yang's 10-meter run this morning. This is their first official run after more than [-] days of surprise training. Let's take a look at the situation of this run first."

Following Lin Mu's explanation, the people in the screen also moved instantly, with almost the same effort and start.In the magnified comparison of the figures of the two in the same frame, the starting, exerting force, starting speed, posture and movement are all clear at a glance.

All the people present at the meeting were staring at the screen. Lin Mu led the two athletes. They all knew about the crazy assault training of the three of them.Now on such a video, it is to see if there is an improvement effect.Compared with the previous videos, they roughly found some direction to see the details.Now they can observe in a very targeted manner!

Lin Mu also stared closely, even though he had watched them run just now.But no matter how sharp the eyes are, it is not as efficient as this kind of playback.He is sure, he can judge, but he still looks forward.

It's just a few seconds from the start, from the start speed to the running stage. It seems like a long time in the slow playback. When the speed is full, the screen pauses here.

The frozen picture brought the viewers back to their senses for a while, and everyone's mind recalled the picture just seen.There are surprises, and there are also natural, but also slightly unexpected complex feelings.

"Next, let's make a frame-by-frame comparison of the two people in the two sets of videos..." After only a few seconds for them to think about it, Lin Mu's voice sounded again.

Feng Yong and Yu Weili sat up straighter for a moment, what they really wanted to see was coming!
　The busiest time of this year is almost over, and I look forward to the next stage of self-breakthrough~
　　
　
(End of this chapter)