The Su God of the Reopening of the Sports Arena

Chapter 2434 The Birth of a Signature Move
Bang bang bang bang bang.

Zhou Bing's stride-type curved arm then initiates "stride burst".

His stride frequency remains at 4.0 steps per second, but he has increased his stride length from 2.4 meters to 2.5 meters, which is the longest stride he can currently achieve.

To support such a long stride, his arm swing amplitude increased to 38 centimeters, the traction force of the left and right arm swings increased the forward range of the hip joint by 2 centimeters, and the contact area of ​​the sole of the foot with the ground was further expanded when pushing off the ground, with the horizontal component of the ground reaction force accounting for 84%.

His body tilt angle returned to 4°, and he balanced the stability pressure brought by the large stride by increasing the centripetal force. The core muscle group shifted its focus to "hip joint control" to ensure that there was no imbalance when the stride length was extended.

At the 75-meter mark, Zhou Bing's stride length advantage significantly boosted his speed, and the gap between him and Xie Zhengye began to narrow.

The "late-mover advantage" of the stride-type curved arm begins to emerge. At high speeds, the distance gain brought by the large stride gradually offsets the disadvantage of the stride frequency.

His forehead was completely soaked by this time.

Sweat trickled down his neck and into his clothes.

However, it did not affect his arm swing and push-off rhythm at all.

The low energy consumption brought about by the articulated arm technique allows him to still have ample stamina reserves during the high-speed phase.

Unfortunately, Xie Zhengye was still the better one.

of course.

Zhou Bing never intended to fight him.

Ever since he watched Xie Zhenye go further and further down the 200-meter track, he knew that it was becoming increasingly difficult for him to keep up with such a genius.

Fortunately, it had already been open for 20 seconds.

What he needs to do now is to continue moving forward beyond the 20-second mark.

My mindset has changed.

Zhou Bing's ability to control the situation has also changed.

The rhythm is more steady.

Compared to Zhou Bing, the straight-arm athlete was completely put on the defensive during the high-speed phase.

Liang Jiahong's straight-arm swing could no longer support higher speeds, his stride frequency dropped to 3.4 steps/second, his stride length also decreased from 2.2 meters to 2.1 meters, and his push-off force decreased by 12% compared to its peak, widening the gap with Zhou Bing to 3 body lengths.

Liang Jinsheng's breathing was noticeably rapid, with his chest rising and falling by 5 centimeters. Each inhalation was accompanied by a slight panting sound. His core control ability had decreased, and his body tilt angle fluctuated between 2° and 4°. His stride stability was 15% worse than that of the double-bend arm athletes.

Tang Xingqiang and Pan Xingyue, due to exhaustion, had their pace drop to 3.2 steps per second, barely maintaining their rhythm, and the gap between them and the top four was irreparable.

The top of the arc has been reached.

Get ready to go.

Xie Zhengye here...

They came up with an amazing move.

"I...I'm going?!"

Zhao Haohuan was stunned.

because.

Just as Xie Zhengye passed by.

He's actually shaking his head and swaying his body?!

This……

Su Shen looked at it.

There were also moments when I was completely lost in thought.

Under normal circumstances, there is no need for head shaking. Xie Zhengye also had this problem in his previous life, which was entirely due to a devastating injury he suffered when he was young, leaving him with hidden injuries.

The fact is, doing so will definitely affect stability.

but.

What do you see now?
He didn't make this movement while running, so why did it reappear at the moment he crossed the top of the arc?

Made a mistake?

NO.

No.

This is not arbitrary.

Su Shen saw the speed at which he crossed the apex of the arc.

And the close-up shot on the big screen showing the expression on his face.

All of this is proving it.

This is intentional.

This……

Su Shen immediately mobilized the cognitive resources in his mind.

Begin proactive analysis.

The apex of the arc in the 200-meter race is the "mechanical inflection point" connecting the curve and the straight. During this stage, the transition from "curved centripetal force dominating" to "straight-line translational force generation" must be completed within 5-10 meters.

If the error in the center of gravity transfer exceeds 0.5 cm, it may result in a speed loss of 0.01-0.03 seconds.

At an altitude of 2201 meters and in a low-oxygen environment, muscle control precision decreases, further increasing the technical difficulty of crossing the apex of the arc.

Xie Zhengye, as a representative athlete of "step frequency type bent arm", has developed "high-speed dynamic balance ability" in his 100-meter technical breakthrough, which is externalized as "head shaking" during the top of the arc.

This phenomenon raises a core question:

Why does this move reduce the difficulty of crossing the top of the arc?
What biomechanical and physiological principles are behind it?
How does it coordinate the use of the body's perception, stability, and force exertion systems?
Su Shen became interested.

Unlike others, who, upon seeing these things, lack the cognitive capacity to analyze and identify them, he is different.

But he has a way to do it.

Just like some so-called personal techniques, they may seem unreasonable, but upon closer analysis, they actually have a scientific basis.

This is because the differences in individual physiological structure and conditions lead to different techniques.

You can also think of it as personalization technology.

So now...

Su Shen began to perform a simple biomechanical analysis of this wave of "head shaking" movements directly inside the skull.

From a biomechanical perspective, the human body's center of gravity is located about 5 centimeters above the sacrum. The head accounts for about 6.8% of the total mass of the human body, and minute movements of the head can affect the overall trajectory of the center of gravity through a "lever effect".

When passing the apex of the arc, the sudden change in the track curvature causes the centripetal force to decay rapidly. Traditional techniques rely on core muscle groups to adjust the center of gravity, which is prone to "adjustment lag".

Xie Zhengye's "head-shaking" uses a "small-amplitude, high-frequency swaying" pattern:
The head swings from side to side with the cervical spine as the axis, with the amplitude controlled between 5° and 8°, and the swing frequency is synchronized with the walking frequency. The inertial torque generated by this movement can counteract the shift in the center of gravity caused by the decrease in centripetal force in advance.

When the body tends to shift outwards due to changes in the curve trajectory, the head should be slightly tilted inwards to pull the center of gravity back to the preset trajectory through inertial pull.

Conversely, when the center of gravity tilts too far inward, the head adjusts slightly outward, creating a counterbalancing torque.

In fact, after the game, Randy's scientific model analysis showed that it was exactly as Suarez had predicted.

Data is captured and displayed using high-speed cameras.

Xie Zhengye's center of gravity shift error when crossing the arc apex was only 0.2 cm.

This is far lower than Zhou Bing's 0.4 cm and Liang Jiahong's 0.8 cm, who is a straight-armed athlete.

They didn't know the specific reason, but Su Shen could analyze it.

The core of this difference lies in—

What is the "pre-adjustment torque" generated by head movements?
How can we shift the focus from "passive correction" to "active guidance"?
This reduces the adjustment burden on the core muscle groups?
Does this reduce the risk of motion distortion?
If that's the case, then Xie Zhengye's head movements played a "buffering and regulating" role in the shift of the center of gravity.

Secondly, there should also be optimization of the body's rotational inertia based on head posture.

The core technical requirement for crossing the apex of an arc is to "rapidly reduce the moment of inertia of the curve to pave the way for the translational force on the straightaway."

The moment of inertia is proportional to the square of the distance between the mass distribution points of an object. As the key mass unit of the upper body, the head's posture adjustment can directly affect the magnitude of the body's moment of inertia.

At the moment of passing the apex of the arc, Xie Zhengye's "head shaking" was accompanied by "head tilting forward and tilting to the side in coordination".

During the swing, the head should always be tilted forward at 10°, while the tilting range should be slightly adjusted according to the body's tilt angle.

This posture brings the head mass closer to the body midline, making the upper body mass distribution more concentrated and reducing the moment of inertia by 12% compared to the traditional "head fixed" posture.

A decrease in rotational inertia means that the energy required for the body to transition from "rotational motion in a curve" to "linear motion in a straight line" is reduced by 8%-10%.

Furthermore, the steering response time is improved by 0.05 seconds.

In fact, Randy's model analysis also found that this shot, Xie Zhengye, used the "head fixation" technique and needed to consume an additional 15% of the core muscle energy to overcome the rotational inertia when passing the top of the arc.

Xie Zhengye optimized mass distribution through head movements, resulting in only a 5% increase in core energy consumption.

This allows for greater endurance reserves to be retained for acceleration on the straightaways later on.

Furthermore, there should also be precise guidance of the head movement on the ground reaction force.

Because the push-off technique during the arc apex phase requires a shift from "asymmetrical force application on the inside and outside of the foot in the curve" to "symmetrical force application on the straightaway."

The direction of the ground reaction force directly affects the speed transition.

Head movements, through a "visual-proprioceptive feedback loop," can improve the accuracy of the ground reaction force.

Xie Zhengye's head movement and his push-off motion formed a "timing coordination":
When the head swings inward, the foot on the same side pushes off the ground to generate force.

When the head swings outward, the opposite foot pushes off the ground, and the time difference between the two is controlled within 0.01 seconds.

This synergy allows the visual system to detect changes in the track trajectory in advance, and transmits feedback to the lower limb muscle groups through neural transmission, so that the point of force exertion on the ground smoothly transitions from "dominant on the outside foot in the curve" to "balanced on both feet in the straight".

Furthermore, the asymmetry of the reaction forces from pushing off the ground with both feet when crossing the apex of the arc...

It might even decrease.

Improving the symmetry of the reaction force can prevent speed fluctuations caused by force imbalance.

Control the speed loss after passing the apex of the arc.

This is only a rough analysis of the mechanical system.

There is also the physiological mechanism of the "head shaking" movement.

It should also involve head movements to activate and balance the vestibular system.

The human vestibular system is a core organ for sensing motion and maintaining balance. Its utricle and saccule can sense linear acceleration, while the semicircular canals sense angular acceleration.

When passing the apex of the arc, the body transitions from a "stable curve motion" to a "dynamic transition state," and the vestibular system is prone to "delay in balance perception" due to sudden changes in acceleration.

Xie Zhengye's "head shaking" is essentially "actively activating the vestibular system".

The small, high-frequency oscillations of the head continuously input slight angular acceleration signals into the semicircular canals, keeping the vestibular hair cells in a state of "mild excitation".

This avoids sensory lag caused by sudden changes in acceleration. This "pre-activation" increases the vestibular system's sensitivity to center of gravity shifts by 20%, triggering balance adjustment when the center of gravity shifts by as little as 0.1 cm.

Traditional technology requires a 0.3 cm offset to initiate adjustment.

In a hypoxic environment, the sensory threshold of the vestibular system increases by 15%-20%, and ordinary athletes are prone to "balance adjustment delay" when crossing the top of the arc.

Xie Zhengye activates the vestibular system through head movements, raising the perception threshold by only 5% and adjusting his balance 0.003 seconds faster than his opponent, which... significantly reduces the risk of imbalance.

Ok.

There should be more...

Head posture optimizes breathing and energy metabolism.

After all, the energy metabolism requirement during the apex phase is to "maintain speed while reducing oxygen consumption rate".

Head posture directly affects airway patency and respiratory muscle efficiency, which in turn affects energy metabolism levels.

At this moment, Xie Zhengye's head is tilted forward at a 10° angle.

This allows the cervical and thoracic vertebrae to form a natural physiological curvature.

The trachea will be in a state of "mild dilation", and the airway resistance will be 18% lower than in the "head tilted back" position.

At the same time, the head movement causes the sternocleidomastoid muscle to contract slightly, which indirectly assists the diaphragm movement and increases the working efficiency of the respiratory muscles by 10%.

In a hypoxic environment, this optimization increases the efficiency of gas exchange in the lungs by 8%, allows for 5% more oxygen intake with each breath, and reduces the rate of lactate production in the core muscle groups by 12%.

There may also be an improvement in the efficiency of neuromuscular control due to head movements.

The technical switching at the apex of the arc relies on the "rapid response of the neuromuscular system".

Head movements can enhance the efficiency of neural signal transmission through "visual-vestibular-proprioceptive integration".

The visual system uses head movements to capture the track trajectory behind the apex of the arc in advance, and transmits spatial position information to the motor cortex of the brain.

The vestibular system provides synchronous feedback on the body's movement status.

The proprioceptive system senses the exertion of muscle groups, and the three form an "information integration loop".

This integration allows the brain to give more precise control commands to the muscles, shortening the time it takes for nerve signals to travel from the brain to the lower limb muscle groups by 0.02 seconds.

If electromyography (EMG) could be measured directly here, you would find that—

At this moment.

When Xie Zhengye crossed the arc apex, the electromyographic signals of the quadriceps and core muscle groups were 90% synchronized.

Zhou Bing's synchronization rate was 82%.

What about straight-arm athletes? Only 75%-78%.

The improved efficiency of neuromuscular control allows Xie Zhengye's push-off and arm swing movements to be more fluid, avoiding disjointed movements caused by delayed commands.

Going a step further, there might also be "head-shaking" movements, which involve the coordinated use of bodily systems.

For example, perception systems: from "single perception" to "multi-source fusion".

Traditional over-arc technique relies on "single proprioceptive feedback," resulting in a lag in the perception of track changes. Xie Zhengye's "head shaking" integrates vision, vestibular sense, and proprioception into a "multi-source perception system," enabling comprehensive real-time monitoring of the environment and physical condition.

The visual system expands its field of vision by moving its head, recognizing changes in the arc apex trajectory 0.1 seconds in advance.

The vestibular system continuously senses acceleration and balance; the proprioceptive system provides feedback on muscle exertion and joint angles.

The information from these three sources is rapidly integrated by the cerebral cortex to form an "environment-body" matching model, enabling technology adjustments to shift from "experience-driven" to "data-driven".

This multi-source fusion perception mode allows Xie Zhengye to detect subtle trajectory differences at the top of the arc.

Real-time fine-tuning of motion parameters.

This is equivalent to reducing the impact of environmental variables on technological stability.

Traditional stable control over the top of the arc relies on "the core muscle group exerting force alone", which can easily lead to core fatigue.

Xie Zhengye constructed a coordinated stability system of "head-core-lower limbs" by "shaking his head".

Perhaps it inexplicably distributes the pressure of stability throughout the body?

The more I think about it, the more likely it seems.

The inertial torque generated by head movements provides a "pre-balancing signal" to the core muscle groups, enabling the core to shift from "passive stabilization" to "active guidance".

The core muscles then transmit the balancing torque from the head to the lower limbs by finely adjusting the tension; the lower limbs adjust the direction of force according to the core feedback, forming a stable closed loop of "head-led - core-transmission - lower limb execution".

This synergistic mode allows the core muscle groups to bear the burden of energy consumption for stable control.

The burden is then distributed proportionally among all muscle groups throughout the body.

The fatigue level of the core muscle group can be reduced by 20%.

Not to mention the cornering phase, when the head swings inward, the outside foot takes the lead in pushing off the ground.

During the process of passing the top of the arc, the amplitude of head sway gradually decreases, and the proportion of force exerted by both feet smoothly transitions from "60:40" to "50:50".

Before entering the straight section, return your head to a neutral position.

The force is generated in a completely symmetrical manner from both feet.

This is the binding relationship between "head posture and force ratio".

The power generation mode switching has been changed from "abrupt" to "gradual".

This avoids speed loss caused by sudden changes in force.

This kid...

sure.

Su Shen also showed admiration.

This.

That's what I wanted to see.

Look at everyone's appearance.

Forge your own path.

Is not it?
Xie Zhengye's "head-shaking" technique is not accidental, but rather an extension and application of his 100-meter technical breakthrough. The extreme requirements of "high-speed dynamic balance" and "neuromuscular control precision" in the 100-meter short-distance sprint laid the foundation for the formation of this technique.

In his 100-meter training, Xie Zhengye specifically refined the "head micro-swing balance method" to address "balance control during the acceleration phase after the start."

Small head movements activate the vestibular system, improving balance and stability during high-speed running.

This training improved his vestibular system's sensory sensitivity by 25% and his neuromuscular control synchronization by 18%. When this ability was applied to the 200-meter arc crossing phase, it resulted in the "head-shaking" technique.

Meanwhile, the refinement of "movement simplicity" during 100-meter training allows Xie Zhengye to control head movements within an "effective adjustment" range, avoiding energy waste caused by excessive swinging.

Experiments show that:

The energy consumed by head movements accounts for only 3% of the total energy consumption of the body, far lower than the more than 10% consumption that may be caused by "ineffective movements." This is the ability of "precise control."

It is precisely this technological breakthrough in the 100-meter dash that gives it its core advantage.

Who would have thought that extensive training and a solid foundation in the 100-meter dash could lead to such a qualitative leap in the 200-meter dash?

This might be what is meant by connecting points to form a line.

Every point you wrote down before.

At the time, I thought it was useless.

I can't see any connection.

Only when you actually connect them will you realize that not a single point was wasted.

That's the wonder of life.

Moreover, Xie Zhengye's "head-shaking" motion during the arc phase can be considered an "active technical optimization" based on the principles of biomechanics and exercise physiology.

This can be considered the first step in breaking away from being completely supported by Su Shen.

Its core value is reflected in three aspects:
First, head movements are used to optimize the trajectory of the center of gravity and rotational inertia, reducing the difficulty of technical adjustments.

Secondly, it activates the vestibular system and neuromuscular control, improving movement stability in low-oxygen environments.

Third, we will build a collaborative system of "perception-stability-power" to achieve seamless connection between curves and straightaways.

The formation of this technology.

Empowered by the technological breakthrough in 100 meters.

This also confirms what Su Shen said about the pattern of "technology exchange and ability transfer" in sprinting.

"This……"

"How is this possible???"

"He crossed the top of the arc like that..."

"How can it be so fast?"

Countless professionals have been captivated by his personalized performances here…

I was shocked.

Even Zhou Bing, who was following behind.

See this scene.

His eyes were filled with astonishment.

Personalized actions.

You could also call it his signature move.

It's something that others might not be able to use effectively, but it's perfectly suited to you, perfectly matching your movement system, your physiological conditions, and your biomechanical configuration.

This kid.

They figured out their signature move so quickly.

Really.

It's so enviable!

So, looking at it this way...

Su Shen watched Xie Zhengye run more and more smoothly.

I really think so.

There is hope.

This shot broke his personal best.

There is hope.