The Su God of the Reopening of the Sports Arena

Chapter 2200: Crack the restriction code of the ultimate future player! Make the impossible possible!

With automatic adjustment for gait fatigue.

Su Shen felt that his steps became comfortable.

The most difficult part is maintaining extreme speed.

Especially for fast-forward players.

Forward-type 100m runners usually have more fast-twitch muscle fibers, which contract quickly and have great strength, but have poor endurance.

During the maximum speed maintenance phase, athletes need a continuous supply of energy to maintain rapid muscle contraction, but fast-twitch muscle fibers mainly rely on anaerobic glycolysis for energy. This energy supply method produces a large amount of lactic acid, leading to muscle fatigue and limiting the maintenance of maximum speed.

The 100-meter sprint mainly relies on the phosphagen system and anaerobic glycolysis system for energy.

In the early stages, the phosphatase system quickly supplies energy, allowing athletes to quickly reach higher speeds, but phosphatase reserves are limited and will soon be exhausted.

When entering the maximum speed maintenance stage, the energy supply mainly relies on anaerobic glycolysis. However, the energy supply efficiency of this system is relatively low, and it will cause changes in the pH of blood and muscles, affecting muscle contraction function and increasing the difficulty of maintaining maximum speed.

During the maximum speed phase, extremely high nerve impulse frequencies are required to drive rapid muscle contraction.

Athletes of the forward type can efficiently recruit motor units during the starting and acceleration phases to generate powerful explosive power, but as time goes by, the nerve centers become easily fatigued and the frequency of nerve impulses decreases, resulting in a decrease in muscle contraction strength and speed, making it difficult to maintain maximum speed.

This is what is called excessive consumption of nerve impulse frequency.

Excessive consumption of this point will cause muscle incoordination.

Maintaining maximum speed requires highly coordinated cooperation of muscles throughout the body.

The difficulty is:

When starting and accelerating in the front part, the front-end runners mainly focus on the force of the leg extensors. In the stage of maintaining maximum speed, not only the extensors need to exert force continuously and steadily, but the flexors and muscles in other parts of the body also need to work together precisely to maintain body balance and efficient movement posture.

For aspiring athletes, this complex muscle coordination control is more challenging during the maximum speed stage. Once a certain link becomes uncoordinated, it will affect the maintenance of speed.

This will cause a stress response in the cardiovascular system.

In the 100-meter sprint, forward-type athletes rely on their powerful explosive power to reach a high-speed state in a short period of time, which has a huge impact on the cardiovascular system.

When entering the maximum speed maintenance phase, the heart rate quickly climbs to the limit level, up to about 200 times/minute, and the heart needs to deliver oxygen to the muscles at a very high frequency and contraction intensity. However, due to the limitations of cardiopulmonary function reserves, the blood oxygenation efficiency begins to decline. Even if the respiratory rate increases significantly, up to 50-60 times/minute, it is still difficult to meet the oxygen consumption needs of the muscles.

During the maximum speed maintenance phase, the oxygen partial pressure of muscle tissue can drop to less than 1/3 of that in the resting state, resulting in restricted aerobic metabolic pathways, further increased anaerobic metabolism ratio, and accelerated fatigue accumulation.

At the same time, the rheological properties of the blood change. The rapid acceleration at the beginning of exercise causes blood redistribution, with a large amount of blood flowing to the exercising muscles, resulting in relative ischemia of the internal organs.

As fatigue increases, blood viscosity increases, circulatory resistance rises, and the heart's burden on pumping blood increases.

This stress response of the cardiovascular system triggers the body's compensatory mechanisms, such as continued excitement of the sympathetic nerves and the release of hormones such as adrenaline to maintain heart rate and blood pressure, but it also causes vasoconstriction, further affecting blood perfusion of the muscles and limiting the continued maintenance of maximum speed.

As a result, the accumulation of metabolic products and the internal environment will also be disrupted.

A large amount of inorganic phosphate and hydrogen ions are also produced during the metabolism, further aggravating the internal environment disorder.

The accumulation of Pi will compete with ATP for binding sites and affect muscle energy metabolism.

H+ will combine with buffer substances in muscle cells, consume buffering capacity and destroy acid-base balance.

Because the forward-looking type athletes consume a lot of energy during the early acceleration, the metabolic products accumulate faster during the maximum speed maintenance stage, and the internal environment is more seriously disturbed, which has a significant negative impact on their athletic performance.

Thus.

The athlete's stride length-cadence relationship will be out of balance.

This is the key point why it was difficult for the so-called promising players to break through.

Just look at a few promising athletes, such as Wen Yongyi from China, who is a typical example. Prospective athletes usually use large stride and high step frequency strategies to quickly increase speed during the starting and acceleration phases.

But during the stage of maintaining maximum speed, the dual effects of air resistance and muscle fatigue break this balance.

As the speed increases, air resistance increases exponentially. It is calculated that when the speed reaches 10m/s, air resistance can consume about 30% of the athlete's output power.

In order to maintain a large stride, athletes need to consume a lot of extra energy to overcome resistance, but fatigued muscles can hardly provide enough power, resulting in a gradual decrease in stride.

So you can often see that once the top runners pass the speed zone, they will gradually exert force, and from a visual point of view, their stride length will be significantly reduced.

If you think the domestic scene is too one-sided, you can also take a look at the world-class powers.

For example, Green or Coleman, they are the most representative and promising players of the last era and the next era.

When Green chooses to explode in the extreme forward stage, there will inevitably be problems in the second half.

The most important factor is that high step frequency is difficult to sustain.

This problem also occurs to Coleman.

When muscles are fatigued, the angular velocity of lower limb swing will decrease by 15%-20%, and the step frequency will decrease accordingly.

The decrease in stride length and frequency makes it impossible for the athletes to maintain effective forward momentum, and their speed decreases accordingly.

In addition, promising runners tend to focus more on optimizing stride length and frequency during the start and acceleration phases during training, lack targeted training for technical adjustments during the maximum speed maintenance phase, and find it difficult to adjust movement patterns in a timely manner when fatigued.

Even if you are an elite athlete.

To the level of both of them.

It is also difficult to avoid this problem.

Even if you make adjustments.

People like Green are able to take care of both ends.

Possesses segmentation capabilities.

But there is no way to have both.

You can only get yourself stuck at one point.

There is no way to break through again.

Otherwise, with his ability to run to historical extremes in some sections.

Should have run faster.

Therefore, Green often seems to be in different occasions that if he were in good health in this era, he could run faster and even be able to compete with Bolt. You can regard it as an exaggeration, but if you study his game and his running dynamic model carefully, you will find that many of his words are actually...

It's not completely unreasonable.

But there is one thing Green cannot overcome.

He also made a lot of efforts, and behind him was the most powerful sports science laboratory in the United States at that time.

It concentrated the strongest and most advanced sports technology at that time.

Therefore, even if he is an extremely promising player.

But there is no way to break through this limit.

It's not just the stride and frequency that are prone to imbalance, it's hard to maintain balance anyway. Even if I use my own abilities and competition experience to force a wave of integration...

There is one point that cannot be avoided.

That is.

Changes in joint range of motion and muscle force patterns.

Because fatigue can cause significant changes in joint range of motion and muscle force patterns.

Just like in the maximum speed maintenance phase, the hip extension range can be reduced by 10°-15°, the knee flexion angle increases, and the ankle dorsiflexion degree decreases. These changes directly affect the ground pushing effect and energy transfer efficiency.

For example, when you reach the top speed maintenance stage, fatigue begins to accumulate, and insufficient hip extension will shorten the distance you push off the ground and reduce propulsion.

At the same time, limited ankle dorsiflexion weakens the forefoot's digging action, affecting step frequency and speed maintenance.

The most difficult point is -

The muscle force mode also changes from efficient coordinated contraction to compensatory contraction!
This is difficult to unravel.

The force-generating process, which was originally dominated by the gluteus maximus, quadriceps and other major muscle groups, gradually relies on the calf and waist muscles for compensation.

This compensatory force is not only inefficient, but also causes imbalance in body posture and increases energy consumption.

Because forward-looking athletes rely too much on their dominant muscle groups in the early stages, they are more likely to have disordered force patterns when they are fatigued, further exacerbating the decline in speed.

As time goes by, the longer the compensatory force is exerted, the more difficult it will be to maintain the stability of the body posture.

However, keeping the body posture stable during high-speed movement is the key to maintaining maximum speed, but fatigue makes this process extremely difficult.

If you look at it, the forward-leaning type of runners lean forward at a greater angle during the acceleration phase, up to 45°-50° or even more, to gain greater horizontal propulsion.

After entering the maximum speed maintenance stage, the fatigued core muscles find it difficult to support the long-term forward leaning posture, and the body gradually becomes upright, causing the center of gravity to shift backward.

Data shows that during the 1-meter stage of an athlete's race, for every 3° increase in the forward lean angle of the body, the horizontal propulsion force can be increased by 5%-%, otherwise the speed will be reduced.

Not to mention, other parts of the body will also be affected, such as the swing of the arms.

The coordination of arm swing is also affected.

When fatigued, the arm swing amplitude decreases and the rhythm becomes disordered, making it impossible to effectively maintain body balance and assist lower limb movements.

Changes in head posture can also interfere with body balance. For example, raising the head excessively will increase air resistance and disrupt overall movement coordination.

These posture changes affect each other, forming a vicious cycle, making it difficult for athletes to maintain an efficient athletic state.

So how do we solve this core cause? It seems like a spontaneous behavior of the body.

It feels like there is no solution.

Anyway, after encountering this problem in Green's era.

The sports science laboratories at the time were at a loss as to what to do, and some people even thought.

It is impossible to solve this problem unless humans undergo genetic modification. Otherwise, this compensatory behavior will be a dead end that limits the continued improvement of human speed.

This especially limits players with extremely promising prospects.

At that time, it seemed that you couldn't say there was anything wrong with this.

Because science is actually a methodology.

This is what it seemed like at the time, with no more theories or data to support it, and no other breakthroughs.

You can't say he's wrong.

It must have been scientifically analyzed and demonstrated.

That was the state of science at the time.

This is the result.

Athletes themselves are not scientific researchers.

In this regard, due to his lack of knowledge, he can only believe whatever the researchers say.

This is why.

Ralph Mann really hopes that some athletes can become scientific researchers.

Because there are some points that only the athletes themselves can discover.

Those who are currently sitting in laboratories and offices have many blind spots that cannot be discovered due to their lack of deep sports experience in this area.

It is actually really difficult to understand what athletes need.

This issue will remain a deadlock until the 2020s and 2030s.

This is also the case for athletes of this era, and athletes with the ultimate future want to unlock this lock.

Start evolving into the ultimate full-distance athlete.

Then these points need to be overcome.

Theoretical breakthroughs and proposals did occur about 10 years later, but they only existed in theory and were slowly put into practice...

I'm afraid it will take several decades.

If it weren’t for the old Su Shen coming back.

There is really no way to accomplish these things within the existing scientific system. The simplest point is that there are so many different branches of science, and each one involves very complex prerequisite science.

What else can we do? The former president of the American Academy of Sciences once said that sometimes scientific discoveries are born by chance.

For example, when you study these things, you may be doing a cross-comparison of certain categories or a cross-comparison of many categories. Suddenly, you get inspiration and an opportunity arises.

This is why every industry will conduct cross-disciplinary research and operations in the future.

The purpose is to integrate them with other categories to see if new breakthroughs can be achieved.

Because when a single category of research reaches a dead end or a bottleneck, you need to see a new intersection before you can continue moving forward. Otherwise, it will be a very desperate thing for the researchers themselves.

And doing so will eventually lead to the most difficult thing to change -

That is the disorder of proprioceptive feedback.

The proprioceptive system plays a key role in maintaining movement stability and regulating muscle contraction, but fatigue can lead to disrupted proprioceptive feedback.

During the maximum speed maintenance phase, the proprioceptors of muscles and joints are stimulated by metabolic products and changes in mechanical loads, and their sensitivity and accuracy decrease.

Deviations in the perception of muscle tension by the Golgi tendon organs can lead to abnormal motor unit recruitment.

Delayed feedback from muscle spindles to changes in muscle length can affect movement coordination.

This is why if an athlete pushes himself to the limit, for example, Suarez’s 9 seconds was a typical example, and in the end he himself could hardly judge his own physical and muscle condition.

However, under normal circumstances, athletes' control over these aspects is extremely precise.

This proprioceptive feedback disorder makes it difficult for athletes to accurately perceive their body posture and movement status.

Unable to adjust technical movements in time.

In the early acceleration stage, the forward-type athletes rely on strong proprioceptive feedback to establish movement patterns. However, in the stage of maintaining maximum speed, the disordered feedback signals will disrupt the original movement program, resulting in uncontrolled movements and a decrease in speed.

This is the century-old problem that is difficult for the top prospect players to overcome.

Anyway, there were no breakthroughs in the last century.

So much so that after this century, many people began to conduct research in a new area.

I believe that only the later flow can create new miracles.

But they had forgotten all about it.

Bolt said it was the late-stage style.

But his career was ranked first among all humans for a long time.

Therefore, Bolt is the athlete who has truly achieved the ultimate in the entire race.

At least he is the first person to make a breakthrough.

It broke what Green firmly believed back then.

The paradox of distribution optimization that it is impossible for the best future and the best future to appear in one person.

If you look further back, there will be psychological problems -

The most typical one is.

The high-intensity load of the 100-meter sprint can cause severe psychological fatigue, especially when the top runners enter the maximum speed maintenance stage.

The rapid sprint in the early stage puts the players in a state of high tension and excitement, consuming a lot of psychological energy. As fatigue increases, it is difficult to concentrate and the ability to control technical movements decreases.

Studies have shown that mental fatigue can extend athletes' reaction time by 15%-20%, affecting their perception and adjustment of their physical condition.

At the same time, the competitive pressure of competition can trigger anxiety and interfere with neuromuscular control.

After taking the lead, leading runners may become nervous due to the fear of being overtaken, which may cause muscle stiffness and deformed movements.

Su Shen himself had this mentality many times in his past.

He himself is a representative of the ultimate full-range players.

It can be said that I can empathize with this kind of psychology and it is very familiar to me.

This change in mental state can affect cardiovascular function and muscle contraction through the autonomic nervous system, further reducing athletic performance.

Therefore, it can be said that all scientific researchers around the world share this problem and this feeling.

Without Su Shen, I feel so strongly.

The simple reason is not because there are no geniuses among these people, nor because they are too dull.

Simply because not one of these people has truly become a world-class athlete.

Even most people have never run a few times.

I haven’t even participated in a few 100-meter races, let alone professional training.

It is even more impossible to truly understand the ultimate future athletes from a psychological and physiological perspective. What do they need most? What is the most urgent problem to be solved?
What are his deep feelings?
Because there are many things, actually Su Shen himself understands now. If the athletes themselves don’t say it out loud or write it down clearly, it will not be accurate at all to rely solely on scientific researchers to write, understand and describe it.

Why is Front Mechanics such a revolutionary bible of mechanics and sports?

This problem does not occur in these so-called awesome academic PhD bosses.

Instead, it happened to Ralph Mann, an athlete who changed his career to further study.

It’s not because these people have low IQ.

Simply because these people have never truly experienced such a feeling.

Therefore, they have no way to truly solve the problem in depth.

This is also the reason why Ralph Mann is eager to have a successor.

Because currently he has been traveling around the world among European and American athletes.

There isn't even one.

This is not an exaggeration.

But the fact is that among European and American athletes, especially among American black track and field athletes who account for a larger proportion.

Do you want to find such a person?
It's even more impossible than winning the Powerball.

But now.

Ralph Mann's eyes lit up.

Green watched.

There was absolutely no way to take my eyes off the red figure.

Damn!

Fake squid!
Wang Defa!
You damned researchers are lying to me, right? Didn't you say that extreme future athletes can't break through this mechanism?
Then you tell me.

Explain it to me.

Now Sue does it.

What the fuck is this called???