The Su God of the Reopening of the Sports Arena

Chapter 2250 This is called starting the transformation... the golden sequence degree!

Three golden steps.

moment.

Just crushed everyone.

With only three steps, you have achieved the same effect as others would have taken four steps.

The coordinated activation of ground pushing force and arm bending angle!

At the moment of pushing off the ground, Su Bingtian's back foot formed an angle of about 45° with the ground, generating vertical and horizontal forces.

At this time, the force of pushing off the ground can reach 3-4 times of body weight.

The vertical force is used to overcome gravity and make the body airborne, while the horizontal force is the main driving force that propels the body forward.

By optimizing the ground pushing angle and force direction, the proportion of horizontal force is increased to 65%, effectively enhancing the propulsion effect of the golden three steps.

Dynamic adjustment of crank angle and thrust enhancement!

Combined with the difference in air flow speed on the body surface, a pressure difference is generated.

This angle adjustment increases the tailwind thrust utilization rate from the initial 68% to 75%.

The additional thrust is about 30N.

It forms a superimposed effect with the horizontal force of the lower limbs pushing off the ground.

Significantly improves the acceleration of the Golden Three Steps.

Center of gravity control and force transmission!
When the golden three steps are completed, Su Shen lowers the height of the body's center of gravity by about 3-5 cm to increase the stability of the support surface.

At the same time, the coordinated contraction of the core muscles is used to maintain the natural curve of the spine, ensuring efficient transmission of force from the lower limbs to the torso.

At this time, his body center of gravity moves forward to above the front foot support point, laying the foundation for the next acceleration.

At this time, he had already pushed his starting speed to the limit.

And this is just the beginning.

If Powell and Carter's starting ability is good enough.

At the peak limit of human beings today.

Then.

What Su Shen is doing now is.

break in.

Keep breaking.

Further break.

Allow yourself to surpass the peak limits of human startup.

This was also one of the things he regretted most: not meeting Randy when he was young, after he had reached the fastest human starting segment in his previous life.

otherwise.

The body's functions and conditions at that time.

Just activate this pure burst option.

Enough to become the first person in human history to enter a new territory.

But it's not too late.

Since he has been given the opportunity, Su Shen will not let it go.

Otherwise, wouldn’t it be too unfair to God or the Jade Emperor?

Next comes the optimization of the dynamic coupling between arm swing and ground pushing!

He didn't care about the expressions of the people around him.

After making some fine adjustments, his three golden steps performed extremely well in this game.

But sprinting is not just about three steps.

In fact, even the entire startup process.

There are a total of seven steps.

That’s just a small part of the work.

If you get started well, you can...

Continue down below.

Minimize the swing arm trajectory and wind resistance!

Under favorable wind conditions, Su Shen will increase the frequency of his arm swings.

The 140° arm-bending explosion angle reduces the lateral displacement of the arm swing and reduces the eddy currents and turbulence caused by rapid arm swings. According to boundary layer theory, the smooth arm curve can delay airflow separation and reduce air resistance by about 8%-12%.

At the same time, the arm swing trajectory maintains a small angle with the longitudinal axis of the body, further reducing the frontal area and improving acceleration efficiency.

At this time, he was the first person to start accelerating.

It is said that the start is ten meters.

In fact.

The next few steps of startup.

All in preparation for acceleration.

Who can get into the acceleration position better and earlier.

Whoever gets the upper hand will have the upper hand.

Previous ideas and practices were of course about how to do better.

Su Shen has already made the decision on how to enter earlier.

Of course if you want to do this, you must first do better.

Otherwise, if you don’t have a solid foundation, you don’t have the qualifications to reduce it.

Forcing yourself to do it will only disrupt your rhythm and make you run slower and slower.

Totally impractical.

Keep speeding up.

Suppress Carter.

The synergistic effect of upper and lower limb strength!

Through neuromuscular control, Su Shen controls the synchronization error between the arm swing rhythm and the ground pushing frequency within 50 milliseconds.

Each arm swing is coordinated with the lower limbs pushing off the ground.

When the back foot pushes off the ground, the opposite arm swings forward, and the reaction force generated drives the torso forward, enhancing the pushing effect of the lower limbs.

When the front foot touches the ground, the arm on the same side swings backward to maintain body balance and accumulate power for the next step.

This closed-loop acceleration mechanism of "swinging arms - leaning forward - pushing off the ground" allows Su Shen to continue moving forward.

Continue to suppress.

boom.

Another step.

Suppress Lao Bao.

Center of gravity control and stability maintenance!
During continuous acceleration, a tailwind may cause the center of gravity to move forward too quickly, causing body imbalance.

Su Shen maintains stability by dynamically adjusting the angle of his arms and torso posture: his center of gravity moves backward when his arms swing back, offsetting part of the tendency of his center of gravity to lean forward due to the tailwind.

The core muscles continue to exert force to keep the spine stable and avoid loss of force transmission caused by excessive forward leaning.

This strategy is adopted because it improves body stability and ensures efficient and smooth acceleration.

One more step.

It suppressed Carter and Powell, the two fastest starters on the scene.

But this is not enough.

What's the point of just suppressing?

This is what Su Shen wants.

pull away.

Adopt the “segmented acceleration strategy”!
A quick start is achieved after fine-tuning the golden section effect by using the bent arm in the first three steps.

Adjust the force intensity appropriately in steps 5 to 7.

Avoid premature fatigue.

boom.

The arm bending angle increases the inertial force of the arm swing. With the help of tailwind, the muscles only need to consume less energy to maintain a fast arm swing.

At this angle, the energy consumption of the upper limb muscles can be reduced, preserving physical energy for subsequent impact.

Eugene's question.

After the previous few tests, he must not appear in this one again.

Balance control of vertical force and horizontal force!

Under the specific wind direction conditions of the fifth track, by slightly adjusting the forward tilt angle of the torso from 50° to 55°, the gravity component is used to offset part of the lift and maintain the vertical force balance.

At the same time, in the horizontal direction, the horizontal propulsion force is further improved by increasing the ground pushing force and optimizing the arm swing range.

Move away a bit.

Logically, this step should be faster than it is now.

But things here are not faster than before.

Was it a mistake?
of course not.

This is Su Shen, he did it on purpose.

Because from the fourth step, Su Shen entered the "steady speed-energy storage" stage.

This means that energy saving is achieved by reducing the force of pushing off the ground, about 2.8 times the body weight, and optimizing the arm swing frequency.

Reduce the energy of this step and distribute it evenly to the following steps.

Then the energy of each step will be increased on average in the following steps.

boom.

Dynamic distribution of force!
曲臂摆臂惯性力320N与顺风推力50N承担30%的推进任务，下肢肌肉发力减少15%，使乳酸堆积速率降低22%。

Aerodynamic refinement!

After the bent-arm start, keep the front projection area of ​​the body to a minimum of 0.38㎡.

The air resistance coefficient is stable at 0.65.

Ensure efficient use of downwind energy.

That's the step.

This will allow for more energy to be used for center of gravity control and directional stability enhancement.

The vision system locks onto the runway markings!
The vestibular system monitors body deviation in real time, and nerve signals adjust the core muscles within 80 milliseconds to keep directional deviation within 1.5°.

The swing arm angle is fine-tuned to 142°.

The arms and torso form a more compact triangle.

This is because of the increased speed.

The body can move through a wider range of motion.

This can also improve the ability to resist wind interference.

At the same time, rotate your back foot 5° outward when pushing off the ground.

Generates a lateral force of 200N to offset the impact of wind.

This is called mechanical structural reinforcement in startup!
Then the 5th step continued to expand the position advantage.

This step even created a gap of space between them.

When accumulated together, they have reached two bodies.

His comparison targets are the evolved Powell and evolved Carter, who ran the second fastest time after him in this game.

As for the rest.

What does it have to do with him how much you run?

Even Bolt went one step further.

This year the launch has been improved.

That means it will just stabilize within 1.85.

If it is a little better, it is only 1.83 or 1.82.

It can’t even reach 1.80.

There is no need to care too much about it.

He's going to pull it apart here.

It's Carter and Powell.

This gap is definitely not enough.

At least it’s not a gap that Su Shen is satisfied with.

He wanted to pull out more.

That's not enough.

It’s not enough.

boom.

Step .

The sixth step is the transition from the first seven steps to the formal acceleration stage, and Su Shen will increase the frequency of arm swinging.

At the same time, increase the force of pushing off the ground with your lower limbs and start to reach 3.1 times your body weight.

Synergistic amplification of force! The horizontal force component (380N) generated by the swing arm.

And pushing force (2480N).

Downwind thrust (55N).

Forming a combined force of 2915N.

7% improvement over step !

The arm swing innovation also reduces upper limb muscle energy consumption by 13% compared to conventional angles.

By optimizing the contraction timing, the EMG signal delay is shortened by 15 milliseconds, achieving a balance between explosive power and endurance.

Used to solve the previous high outbreak.

There are even some problems with outbreaks and overflows.

Then came three aerodynamic blasts in a row.

Boundary layer adhesion enhancement!

Pressure difference drive enhanced!
Force system collaborative optimization!

One is that the curved surface formed by the arm and torso continues to play a guiding effect. The airflow separation point is kept 12cm behind the elbow, reducing the vortex area by 40% compared to the conventional angle.

This posture keeps the air resistance coefficient stable at 0.68.

This is a 19% decrease compared to the original level.

And continue to release about 22N of additional propulsion force.

One is the tapered flow channel formed by the curved arms, which maintains the airflow velocity outside the body at 2.4m/s.

Tailwind 2m/s + body moving speed 0.4m/s.

It forms a static pressure difference of 18Pa with the inner low-speed airflow, generating a lateral thrust component of 38N, whose horizontal projection is directly added to the total thrust.

One is to moderately reduce the force of the lower limbs pushing off the ground to 2.8 times the body weight, about 2240N, and then generate 320N of reaction force and 50N of tailwind thrust through swinging arms to ensure that the horizontal resultant force still reaches 2610N.

9% higher than normal.

At the same time, the core muscles maintain a 55° forward tilt of the trunk through isometric contraction.

The horizontal component of gravity contributes 120N, further enhancing the propulsion effect.

all of these.

Let's start the last step.

Full of energy.

Can the limits be pushed further?

It all depends on this step.

Wind speed is no problem.

The right time, right place and right people are all there.

It depends on whether you can make use of it.

Neuromuscular drive for explosive lower limb power!

The brain preferentially activates fast-twitch muscle fibers of the lower limbs via alpha motor neurons.

The discharge frequency of the lateral head of the quadriceps femoris was increased from 80 Hz in the first step to 120 Hz.

Shrinks 25% faster.

Generate stronger reaction force when pushing off the ground.

At the same time, the gluteus maximus plays a key role in hip extension by working in synergy with the quadriceps.

Increase the horizontal component of ground-pushing force to 72%.

The muscles of the upper limbs that swing the arms contract explosively!
The arm swing frequency is increased to 12.5 times/second, and the arm angular velocity reaches 15rad/s.

The triceps and posterior deltoids enter a state of explosive contraction.

At this time, the peak power output of the muscles increases by 30% compared to the fourth step, generating a reaction force of 430N.

Together with the ground pushing force of the lower limbs, it forms a powerful propulsion force.

In addition, the muscles around the scapula, the middle and lower trapezius muscles, and the serratus anterior muscles, contract synergistically to stabilize the shoulder joint and avoid the loss of force transmission caused by rapid arm swinging.

well.

Feeling good.

This shot.

There is a play!

last step!
The ultimate force mode for lower limb muscles!
When Su Shen pushes off the ground, his calf triceps, quadriceps and gluteus maximus form a "serial force chain".

Among them, the triceps surae contract explosively at the moment of leaving the ground, generating a vertical force of about 800N and a horizontal force of 1600N.

The quadriceps muscles contract synchronously, increasing the knee extension torque and optimizing the ground push angle to 42°.

Maximizes horizontal propulsion effect.

At this time, the discharge intensity of the main muscle groups in the lower limbs reaches its peak, but because of the reasonable distribution of energy in the early stage.

Muscle fatigue levels are still kept at a low level.

Coordinated braking of upper limbs and torso!

In order to avoid losing control of his body due to excessive speed, Su Shen's arm swing action switched to "braking mode" in the second half of the seventh step.

Balanced hedge.

The biceps and triceps slow down the arm swing speed through eccentric contraction, generating a reverse torque to stabilize the trunk.

At the same time, the core muscles maintain a 60° forward tilt through high-intensity isometric contraction, and the rectus abdominis muscle activation level reaches 60% of that at rest, ensuring that the center of gravity is stable above the support surface and preventing excessive forward tilt.

Finally, it is the maintenance mechanism of muscle endurance!
By adjusting the muscle fiber recruitment strategy, the continuous activation of fast muscle fibers can be reduced, and instead some slow muscle fibers can be recruited to assist in force.

This pattern reduces the rate of lactic acid production in the muscles by 18%, ensuring that while peak speed is reached, sufficient muscle strength is retained for subsequent acceleration.

at this time.

The shot in Qingtang City.

The effect begins to migrate.

Although the altitude here is not that high, the environmental resistance of low oxygen cannot be achieved.

But if done well, the same effect will be seen on the plains.

The purpose of conducting experiments on the plateau is, of course, to transfer them to the plains.

And not just a plateau god.

Wouldn’t that make it Omanyala?

last step.

Integration of two forces.

But this is also the most critical step.

If this step is not taken well, the entire previous step may collapse and all previous efforts will be wasted.

It's a bit like stacking buffs.

Each layer stacked together will have an effect.

And the last step of folding it out.

That’s step 7.

Randy also wanted to know.

How does Su Shen break through this situation?

Being on the plain feels like being in Qingtang City.

Combine the two forces.

I'm afraid it's not a simple matter.

How can you transfer this effect?
Sue.

But Randy is no longer the same as before.

There was very little worry in his eyes at this moment.

It’s not like a few years ago when we saw Su Shen doing something beyond our imagination.

Always worry about the main thing.

I'm used to it now.

He looked over.

There is obvious expectation and thirst for knowledge in his eyes.

It's like there is a curious cat living in the eyes.

What I want to know more is, how did Su Shen do this?
Rather than worrying about whether he can do it.

this step.

It is a step of conversion.

it is done.

Maybe there are new possibilities.

Then.

Su Shen started.

The seventh step is the principle of combined utilization of vertical force and horizontal force to break through the limit - based on the theoretical construction of biomechanical vector coupling and neuromuscular synergy.

It is also the physical essence of force vector coupling: the paradigm shift from scalar superposition to tensor analysis.

Simply put—

During the running and stretching phase, the ground reaction force (GRF) can be decomposed into a vertical component (Fv) and a horizontal component (Fh). Traditional theory holds that the two are in an antagonistic relationship of one increasing while the other decreases.

Increasing Fv will reduce the propulsion efficiency of Fh.

But under the extreme speed condition, the core of Su Shen's seventh technical breakthrough lies in constructing a synergistic enhancement mechanism of Fv and Fh. Its essence is to convert the vertical elastic potential energy into horizontal propulsion kinetic energy through the space-time coupling of the lower limb multi-joint kinetic chain, forming an energy circulation system of "vertical energy storage-horizontal energy release".

this step.

He did a detailed analysis and self-analysis.

The first choice is.

Tensor decomposition of force vectors and joint coupling model.

Considering the lower limbs as a rigid chain consisting of the hip, knee, and ankle joints, a three-dimensional coordinate system is established (the X-axis is horizontally forward, the Y-axis is vertically upward, and the Z-axis is lateral), then the GRF vector can be expressed as:

Step 7: Peak moment of stretching.

Assuming Fv=2480N (vertical component), Fh=1845N (horizontal component), according to the vector composition law, the direction of the resultant force and the horizontal angle θ satisfy:
The final result is 53.3.

传统技术中θ通常为45°-50°，而苏神通过踝关节跖屈角度从42°增至45°、膝关节伸展角度从152°微降至150°，使合力方向后移3-5°，形成独特的“后倾式蹬伸”姿态。

The mechanical significance of this adjustment is:
Ankle joint: The plantar flexion angle increased by 3°, which increased the triceps surae muscle force arm from 5.6 cm to 5.8 cm.

According to anatomical data, for every 1° increase in the ankle joint, the Achilles tendon lever arm increases by approximately 0.07 cm and the extension torque increases.

2480N x 0.002m = 4.96N·m.

Knee joint: The extension angle decreased by 2°, and the angle between the force direction of the quadriceps and the ground increased from 48° to 50°. Although the proportion of horizontal force decreased from 73% to 71%, the proportion of vertical force increased by 2%, which increased the vertical component of GRF by about 50N.

Provides greater load for elastic potential energy storage.

Next is the space-time transformation mechanism of elastic potential energy.

According to Hooke's law, the elastic potential energy formula of the muscle-tendon complex (MTU) is -

Where k is the muscle stiffness, which is increased to 110N/mm in the seventh step, and x is the elongation of the tendon. Assuming that the vertical force at the beginning of the extension stretches the Achilles tendon by 8mm (x=0.008m), the stored elastic potential energy is:
3.52J.

In the late extension phase, when the vertical force is converted into horizontal propulsion, this potential energy is released through concentric muscle contraction.

Assuming an energy transfer efficiency of 89%, the seventh step tendon stiffness optimization results can additionally provide:
3.13J.

This is equivalent to an additional increase in horizontal propulsion...

20.9N.

Then the critical angle model of vertical force-horizontal force conversion is used.

Through biomechanical simulation, it is found that when the hip flexion angle θh, the knee extension angle θk, and the ankle plantar flexion angle θa meet the golden angle sequence:

That is, when θh=95°, θk=150°, and θa=45°.

η reaches a peak value of 0.78.

That is, for every 100N reduction in the vertical force, the horizontal force can increase by 78N.

This is what Ralph Mann said -

Start the conversion to accelerate the golden sequence of that step!
just now.

Already been Su Shen.

The answer was given directly.

Yes.

because of him.

I already knew the answer.

And it’s the correct answer.

ps: I wish you all a happy Dragon Boat Festival!
I wish everyone can find the golden sequence in their daily life during the holidays! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

Let’s start with a 10,000-word explosion!
How this wave of science goes beyond the limits.

What new propositions and future assumptions will be fulfilled?
Please stay tuned to watch the reopening of Su Shen.

hey-hey()!!!

I will have a series of outbursts during the holidays these days, and try to finish this wave of writing to see how Su Shen truly surpasses his limits.

Let’s see which side wins after the first wave of confrontation between the innate holy body and the acquired holy body.