The Su God of the Reopening of the Sports Arena

Chapter 2211: One step further! The countdown to full transcendence has begun
The next day, the results of the women's 200m final were soon announced.

Chen Juan is still the leader.

The competition is about to begin and eight contestants are already standing at the starting line.

Chen Juan adopted the bent-arm starting posture. She was in the fourth lane. With her current status, she was cheered as soon as she entered the field.

Yang Jian also introduced: This starting method can allow her to gain greater explosive power at the moment of starting.

Her arms were bent, like a cheetah about to be released from a cage, ready to go.

The bent-arm start converts the explosive force of the quadriceps into a greater forward torque by shortening the resistance arm, which optimizes force transmission in accordance with Newton's third law.

But it requires extremely high core stability - Chen Juan's torso always remains at a 45° forward tilt angle, and the activation of her erector spinae muscles is 12% higher than Wei Yongli's, avoiding the shift of center of gravity caused by arm force.

Chen Juan usually doesn't take domestic competitions very seriously.

Before, I would run if I could, and if I didn’t run, I would be letting it go. But this game is also related to confirming my condition for the World Championships.

She will also start to speed up in the 200 meters.

Again, because she is indispensable for the 200m event in China.

She also has a responsibility.

Therefore, you still have to push yourself in the last few months.

When the starting gun sounded, Chen Juan took advantage of the bent-arm start and rushed out like an arrow, quickly taking the lead.

Her reaction time at the start is extremely short, only 0.12 seconds!
This gave her a huge advantage at the start.

Even she herself didn't expect to be in such a good condition.

But now that I'm here, what else can I think about? Just keep running.

With such a good competition venue, it’s time to achieve good results.

It is generally difficult to achieve results in the country.

Because there is really no equal stimulation from other players.

It's hard to get into shape.

It’s also hard to create urgency.

But for today's game, I wanted to give myself a boost, and secondly, the location and people of this place are very favorable, which gives me a sense of buff.

It’s not a bad start to start with this kick.

What else can you say?

Just keep sprinting.

Wei Yongli was in the fifth lane and used the traditional crouching straight-arm start. Her starting posture was standard and steady.

Wei Yongli's starting technique is very solid. After hearing the gunshot, she quickly pushed off the starting blocks, leaned forward, and controlled the rhythm of the acceleration very well.

Her starting reaction time was 0.159 seconds, which was slightly slower than Chen Juan's. However, with her excellent acceleration ability, she followed closely behind Chen Juan.

Jiang Lan, a master of the traditional department, is not to be outdone. Compared with the 100 meters, her 200 meters is her stronger strength.

Although she knows that the future belongs to this group of young people.

If I hadn't taken the right path and hadn't joined the Su Shen system, it would have been basically impossible for me to break out of the country and Asia.

But she also wants to create as much trouble as possible with these people.

Let them get the pressure they deserve at home.

This may be something that these traditional "villains" can still do for these younger sisters.

Jiang Lan had figured it out long ago.

Therefore, she did not feel any jealousy now. She was running away in a completely self-sacrificing manner, sharpening her knives for these people.

of course.

If your strength.

Then her whetstone might also break the blade of your knife.

Such a mentality.

Jiang Lan's reaction at the start was not much different from that of Wei Yongli in the next lane.

0.160, the third best reaction in the game.

enough.

Her starting posture is full of power.

At the start, her legs exerted strong force and she quickly got rid of the static state. Her reaction time at the start was 0.160 seconds, which was almost the same as Wei Yongli's.

Yuan Qiqi's reaction time at the start was 0.175 seconds. She made some slight mistakes during the acceleration phase and could only keep chasing the runners in front of her.

Kong Lingwei's starting technique is also good. Her starting reaction time is 0.165 seconds. During the acceleration process, her body coordination is very good and her stride gradually increases.

It looks like 200 meters.

She might be better than the 100m.

Entering the turn.

In the first 30 meters after the start, Chen Juan maintained her leading position by relying on the advantage of bent-arm start.

She is extremely fast, and her stride frequency and stride length have reached a very high level.

Wei Yongli followed closely behind Chen Juan. Her acceleration was excellent and the gap between her and Chen Juan always remained several meters.

Don't think that this is several meters, there is nothing to laugh at.

In fact, she was the closest one.

None of the others could get closer than her.

Chen Juan's current 200m level.

This can be seen in China.

Although I still can’t win any medals internationally.

But it’s not that weak.

At least it is a finalist internationally.

Then return to China.

It's a dimensionality reduction attack.

For the rest of you, it would be good if you can open it for 23 seconds.

It is already very good, an excellent result.

It is even top-notch in Asia.

Chen Juan...

They were heading towards Li Xuemei.

I caught up with her in 100 meters.

I don't think there will be much difference in 200 meters.

It's only a matter of time.

As for the rest, the difference between them is not that big.

Jiang Lan didn't have any advantages to show at the beginning.

The traditional way of running 200 meters in China.

There's nothing special in the front.

As the race progressed, the contestants entered the curve running stage.

Curving running is a key part of the 200-meter race, which requires athletes to have good cornering skills and body balance.

Since Chen Juan is over 1 meters tall, she can thrust her hips further when running on a curve, which enables her to better utilize the centripetal force of the curve and maintain a high speed.

Her physical condition.

physical fitness.

All stronger than before.

This is the basis for her to make good use of the centripetal force of the curve.

Not to mention that his experience and skills far surpass those of others.

There is nothing wrong with being ahead.

The curve continues to accelerate.

Unstoppable.

Her body leaned inward, her right arm swung significantly wider than her left arm, and her right leg pushed off the ground with greater force.

Chen Juan always maintained the lead while running on the curve. Her speed was still very fast and every step was full of power.

He was the tallest but ran in front with the strongest sense of power.

This is the contrast brought about by the overall domestic environment.

of course.

There is also the change that the bent-arm start brings to her.

Wei Yongli also has very skilled techniques when running on curves.

She has participated in so many competitions and even won a medal at the World Youth Championships. Look at her, her body is tilted at a moderate angle to effectively overcome the centrifugal force of the curve.

Wei Yongli controlled her stride and frequency very well. She kept close to Chen Juan on the curve and did not let the gap between them widen.

Because for her.

This one can hold on tightly.

It's good enough.

Can the gap be widened?

It's good enough.

Who says Chen Juan is invincible in the whole of Asia now?

Since last year's Olympics.

That's it.

It can be said that there is no controversy.

She fully utilized her advantages when running on the curve.

She has high body flexibility and can quickly adapt to changes in curves.

On the curve, she increased the swing of her right arm and quickened her pace, allowing herself to maintain second place on the curve.

Yuan Qiqi also showed good skills when running on the curve.

She has good body balance and did not make any obvious mistakes on the curves.

Big muscles don't come for free.

However, due to his strength, experience, and the small mistakes made earlier, Yuan Qiqi could only try his best to maintain his speed.

Fortunately, I am still in third place, but the gap with the players behind me is still not big.

Kong Lingwei kept adjusting her posture and rhythm while running on the curve.

Her body leaned inward, the coordination of her arms and legs became more tacit, and her speed also increased, gradually narrowing the gap with Yuan Qiqi. Although she encountered some difficulties, she did not give up.

On muscle strength.

She is not as good as Yuan Qiqi.

She understood this.

So she tried hard to control her body and keep moving forward.

Just wait for yourself to gradually find your state on the curve.

The surprising one was Jiang Lan.

As the active No. 200 in the m in the traditional department.

Jiang Lan's technique was very stable when running on the curve.

You could say her skills are not that great and a bit outdated.

But she still uses these old techniques very stably.

No, I was out of touch because of the intensity of the competition.

Domestic athletes tend to lose touch with their skills once the intensity increases.

It didn't appear much in her case.

This shows that she is very hardworking and diligent in her usual training.

Her body is tilted at just the right angle.

Stride length and cadence are well maintained.

Bang bang bang bang bang.

Jiang Lan continued to maintain her position on the curve, competing fiercely with the players in front.

She knew that now was not the time for her to exert her strength.

Now just be patient and conserve your energy.

Another traditional runner, Zhu Yayun, was also constantly adjusting herself while running on the curve. Her body coordination improved, and her speed on the curve also increased. She was also trying hard to catch up with the runners in front.

only……

The running feeling is very average.

Probably due to nervousness.

She didn't do as well as Jiang Lan.

Bang bang bang bang bang.

Run around the bend.

Adjust the mechanics when entering a corner.

When the athlete enters a curve with a radius of 36.5 meters, the centripetal force formula F=mv/r begins to dominate the technical movements.

Chen Juan, 1.77.8 meters tall, 65 kg, speed reaches 30 m/s at 9.2 meters, and needs to withstand a centrifugal force of about 120 N.

She increased the amplitude of hip thrust, and the angular velocity of hip joint rotation was 15°/second higher than that of the straight track, so that the knee joint was bent 8° inward when the supporting leg touched the ground. She coordinated with the small and quick swing of the left arm, with an amplitude of 45° and a frequency of 5.2 times/second, to offset the lateral torque.

These details are impossible for traditional coaches to teach.

It’s not that they don’t want to teach, it’s just that they can’t be so precise and accurate, or even provide detailed guidance on how much each technical detail should be achieved.

and theoretical opinions.

This will be the norm in future competitions.

However, domestic athletes and coaches are still completely in the dark.

They can't even use the basic equipment.

I haven't even heard of high-tech things.

Not to mention arranging training plans based on these.

To adjust the athletes' training patterns and technical changes.

Wei Yongli, 1.68 meters tall, 56 kg, has a height advantage, and the radius of her center of gravity trajectory is 0.1 meters smaller than Chen Juan, and the centrifugal force is increased by 5%.

Because she did not start with bent arms, she adopted the strategy of sticking to the inside of the lane, with her body leaning inward at an angle of 22°. However, excessive inclination caused the right leg's back-kick angle to increase to 55°, which was greater than the ideal value of 50°.

This causes her to lose 0.05m of propulsion with each step.

But technology is this thing.

It's hard to be perfect.

Theoretical stuff.

It also only exists in theory.

Just do your best.

Bang bang bang bang bang.

Extremely fast burst.

Chen Juan exploded without hesitation, and Wei Yongli also exploded. Jiang Lan could only watch.

This is really frustrating.

Why can't I explode on the curve?

Speed ​​zone.

200 meters is on the curve.

This is a test that focuses on the differences in explosive power and kinetic energy management strategies of the athletes during the peak centrifugal force phase.

Combine biomechanical data to find the key nodes of key confrontations.

When the athlete passes the midpoint of the curve, the speed reaches the peak range of 9.3-9.6m/s. According to the formula F=mv/r, an athlete weighing 60kg needs to withstand 130-150N of centrifugal force, which is equivalent to 22%-25% of his body weight.

Chen Juan's transformation is the most natural and smooth.

Even the fastest one has no pressure.

The supporting leg resists rollover!

It is necessary to bend the knee joint inward 5-8 degrees and dig the inner side of the forefoot into the ground to offset the lateral torque!

Arm swing compensation mechanism!

The left arm swings quickly and slightly, 10% higher than in the straight track, to maintain trunk balance.

Hip joint explosive power output!

Under the interference of centrifugal force, maintain the backward pedaling force ≥ 200N.

In a word, in the extreme speed zone, Chen Juan is a perfect example of the mechanical environment and technical challenges.

A model of mechanics for domestic women's high-center-of-gravity explosion.

After she burst into the corner at high speed, the moment her supporting leg touched the ground, her knee joint bent inward 8 degrees and her hip joint flexed 130 degrees, forming a "triangular stable structure."

The swinging leg is folded until the angle between the thigh and the torso is 45°, and then swung forward at an angular velocity of 250°/second to cause the hip joint to stretch rapidly.

The left arm swing is compressed to 40° and the frequency is increased to 5.5 times/second to offset the right-handed torque of the torso generated by the 120N centrifugal force.

Just ask you, is it smooth or not?

The fastest one.

But it is the one with the best technical sense.

Still in the extreme speed zone.

It’s just...

They all look pleasing to the eye.

If there were motion sensor equipment at this time, it would definitely be discovered that her biomechanical data at this time would show -

The peak force of the pedal is 225N, which is 7% higher than that of the straight track.

This is Chen Juan using centrifugal force to create "passive pressure".

The stride curve is the largest and the speed reaches 9.6m/s, the highest in the game.

The electromyographic values ​​of the core muscles were as follows: erector spinae 280μV, external oblique muscles 220μV, both exceeding the threshold by 20%.

All of this demonstrates Chen Juan's superb ability to resist rotation.

And anti-rotation ability.

It is one of the most basic abilities of cornering.

This is also a point that domestic athletes have previously overlooked.

Chen Juan's approach here is: through the triple action of pre-lifting the center of gravity - swinging the legs to brake - stretching and exploding, the centrifugal force is converted into the vertical component of the supporting reaction force, achieving the explosive effect of leveraging force.

It is indeed very high-end.

Even if Xie Zhengye was watching, he would say -

Did Sister Juan arrange it so quickly?

I thought I was the first one this year.

However, compared with boys, girls have also undergone many changes.

Both of them are masters.

There is no need for Su Shen to do more popular science, as the clues can be seen.

The three-step action of "pre-lifting the center of gravity - braking with swinging legs - pushing and stretching explosively" is an efficient sprinting technique. Its core value lies in the effective transformation of centrifugal force into supporting reaction force.

Through this technology, athletes can generate a greater vertical force component and achieve the explosive effect of "using force to leverage force".

Others can't do it simply because they don't have the stuff.

This is not something that can be done with just the brain.

Need but not limited to——

A database of technical parameters of athletes at different levels has been established.

The application of the triple action is different in different running sections.

and the development of personalized technical optimization solutions.

Especially combined with modern sports biomechanics detection technology, such as three-dimensional force platform, high-speed infrared camera, etc.

High technology can more accurately quantify the mechanical benefits of this technology and provide a more scientific basis for training.

What do you think.

Of the above, which one can be handled in China?

Don’t talk about China.

Many things now require the combination of software and hardware, and have not yet come out. Only Su Shen can guide everyone to do it on the right path with invincible correctness.

The rest, even the United States.

I can only watch.

I don't know how to do these things.

Even the noun hadn’t been invented yet.

Chen Juan uses this technique to allow herself to run more smoothly at high speeds on curves.

Coupled with the altitude and wind speed, she looked like she was on a plane.

Keep flying forward.

Fortunately, Wei Yongli has become accustomed to Chen Juan's various showmanship in front of her. To her, Chen Juan is the Li Xuemei of this era.

Wei Yongli is here and has her own technical responses.

She can also explode in corners.

It’s just that the technical model is completely different from Chen Juan’s.

She lowered her center of gravity, with her torso inward inclination angle of 22°, 2° larger than Chen Juan's, and the projection point of her center of gravity was 0.2 meters away from the inside of the curve.

This is to shorten your turning radius.

Then use the "drag-and-pull back swing". When the supporting leg stretches, the calf lags behind the thigh by 10°, in order to... create a "whipping effect" at extreme speed in the corner.

Then the right arm swing is expanded to 80°, with an angle of 30° with the torso, balancing the centrifugal force by increasing the contralateral arm swing torque.

Her biomechanics report here should be——

The peak force of the backward pedal is 215N, and the lateral force accounts for 35% and 28%, resulting in a loss of 6% in horizontal propulsion force.

The EMG value of the biceps femoris was 320 μV, indicating an overload state, which indicates that hamstring fatigue may occur in the later stage.

Of course, this technology also has risks, as is the case with everything, and it is impossible for all the benefits to be reaped by you alone.

The downside of Wei Yongli's doing this is——

Over-reliance on the inward angle to increase centripetal force will cause the stress of the supporting leg to be concentrated on the medial collateral ligament of the knee joint. At this time, the load is three times the body weight, which can easily cause technical deformation.

However, any technology has risks.

As professional athletes, you all know that it depends on whether your body can withstand the side effects, whether you can digest them as much as possible, and minimize them.

Wei Yongli believes that her physical strength is now mature enough.

It is already capable of handling some high-intensity technologies.

Therefore, she was originally planning to break through the 200-meter mark this year.

At least it should be easy to break, within 23 seconds.

Easily get the A mark.

A frequency compensation burst mode is then adopted.

When the supporting leg touches the ground, the entire sole of the foot rolls quickly to the forefoot, with the contact time being only 0.18 seconds, reducing the time that centrifugal force acts.

The forward tilt angle of the trunk is maintained at 40°, and the centrifugal force is reduced by lowering the center of gravity by about 10 cm.

The peak backward force is 195N, and the horizontal force component accounts for 82%.

The EMG value of the ankle dorsiflexor muscle was 250 μV, indicating that the forefoot muscles were overloaded.

They all performed well.

Jiang Lan could only take a conservative attitude.

The inclination angle is 18°, which is close to the theoretical optimal value of 20°, and the trunk rotation range is controlled within ±3°.

The arm swing trajectory strictly follows the principle of "no elbows exposed in front, no hands exposed in the back" to avoid lateral interference;

The backward pedaling angle is 50° and the pedaling speed is 170°/second, aiming to maximize the energy conversion rate.

All of this is the most traditional posture.

There isn't much innovation in it.

There are no extra adjustments.

Simply put, compared to the running methods of the 90s and 80s, there has been no revolutionary progress.

The strategic arrangement is -

Give up the outbreak of confrontation.

Focus on maintaining the technical framework.

Save your energy for the straights.

It's that simple.

When approaching the top of the arc, the speed should be maximized and controlled.

Otherwise, it is easy to be thrown out.

Even if professional athletes don't handle it well, there may be a major fluctuation in their center of gravity, which will reduce the speed of their continued decline.

Chen Juan did a great job here.

She is completely different from her previous youthful self.

In addition to continuing to show the characteristics of high center of gravity running.

Next, the knee joint is bent at 140° when the supporting leg is cushioning.

By reducing the range of hip flexion to keep the center of gravity high, the swing leg folding radius is shortened to 0.3 meters.

The angle between the calf and the thigh is 90. The swing leg angular velocity reaches 240°/second.

Realize efficient kinetic energy transfer by “swinging and pushing”.

Wei Yongli passed the top of the arc with a low swing and high stride mode.

The right arm swings only 60°, but the maximum stride length reaches more than meters. By utilizing the leverage effect of height and using hip hyperextension technique, the hip angle is 175° during the back kick, increasing the horizontal propulsion force to 210N.

Make sure you get through smoothly.

Jiang Lan is still in fifth place.

She maintained more in the front, which led to her falling to this position.

But she was in no hurry.

She knew that it was impossible for her to arrange the two sisters in front by herself.

Then just do what you should do.

If she can't attend the class, then don't let her attend.

Just give it to those who can take the class.

She doesn't believe it.

They are all such young people.

I won't make any mistakes.

This is a typical traditional safe running method.

I'll just wait for you to make a mistake, and then I'll seize the opportunity to strike back.

Of course you can say it.

If I were in a competition, what if I didn't make any mistakes?

That means being killed.

For example, they simply cannot find the opponent’s faults in international competitions.

At least according to their abilities.

Can't catch it.

Then it can only be one-sided.

No suspense.

really.

Even at this point, changes occurred.

Yuan Qiqi.

When passing the top of the arc.

There was a mistake.

A "cross-arm" error occurred in a bend.

The included angle between the left and right arm swing planes is up to 30°.

This results in an 18% increase in torsional torque on the trunk.

The speed dropped sharply from 9.0m/s to 8.7m/s and was surpassed by Kong Lingwei.

then……

It’s Jiang Lan.

Take a chance.

He counterattacked and killed him.

This was the opportunity she had been waiting for.

Now she has jumped to No. 4.

Yuan Qiqi was a little flustered because of the mistake, and wasted a lot of time just on adjustments.

I'm afraid it will be difficult for her to get to the front in this race.

That's how sprinting works, you don't have that many opportunities to adjust.

She is not as athletic as football and basketball.

There is still time to complete self-adjustment and pause.

There is absolutely none here.

It depends on whether your own skills are perfect enough.

See if you have the courage to take risks.

See if your body can handle the adventure.

It all happens in a moment.

There is no medicine for regret.

If you want to regret it, you have to wait until the next game.

Descend the curve.

When the athletes enter the last 15 meters of the curve, the muscle phosphocreatine reserves are consumed by 70%, and technical stability becomes differentiated.

Chen Juan, there is no doubt that the Jamaican running style is used all the way to the end.

Although it is not that all the strength is exerted in the front, there is no doubt that the strength is mainly exerted in the front.

There won't be too many reservations.

Wei Yongli couldn't bear the physical exhaustion brought by the Jamaican running method, so her approach here was -

Start switching energy distribution, reduce the back pedal force from 225N to 210N, slightly reduce the step frequency, and retain 15% of the aerobic capacity to cope with the straight road.

Due to hamstring fatigue, the backswing speed decreased by 10% and the stride length was shortened. As a result, the gap between him and Chen Juan continued to widen.

Yuan Qiqi's frequency of occurrence - power disconnection, backward pedal force falling below 180N, and speed stagnation.

The impact from the front was quite large, which made it very difficult for her to turn the corner.

There is noticeable discomfort when going over the top of the arc.

Kong Lingwei seized her fatigue window and increased her back-pedaling force by 8% through "delayed burst", further widening the gap between her and Yuan Qiqi.

It is no longer within one body position.

Bang bang bang bang bang.

"Prepare to turn into the straight!"

Yang Jian's voice also came at the right time.

The confrontation at the end of the curve, the moment when the centripetal force disappears.

When passing the intersection of a curve, the centrifugal force suddenly drops to zero, and the athlete needs to switch to the straight-line technique instantly.

Chen Juan adopted the "full-force blasting" technique: starting from 70 meters, she basically did not reduce the inclination angle, nor did she care about the problem of center of gravity lag caused by sudden turning.

Just sprint with all your strength.

A typical Jamaican turn.

It's not the kind of extreme sprint where you leave no energy behind, but it can definitely be considered an all-out cornering effort.

Wei Yongli chose - gradual regularization.

Starting from 70 meters, reduce the inclination angle by 2° every 3 steps, and be fully upright at 80 meters to avoid the lag of the center of gravity caused by sudden turning.

Yuan Qiqi was a little anxious and wanted to catch up first, so he chose the most inappropriate "radical regularization" model.

That is: at 75 meters, the inclination angle is directly reduced from 20° to 5°.

Inertia is used to obtain an additional 0.2 m/s tangential acceleration.

But it's a pity.

Whether it was her experience, her skills, or her body, it was difficult for her to do so.

Doing this forcibly will only result in "knee valgus" at the moment the supporting leg touches the ground, with the knee joint abducted 5° and the passive cushioning loss increased by 10%.

On the contrary, the speed became slower.

Kong Lingwei also over-consumed her core strength in the turns, causing her torso to lean back significantly when she turned straight, and her stride length dropped sharply to 1.88 meters.

Curve into the straight!
Critical conversion of inertial kinetic energy!

At this time, the centrifugal force drops sharply from the peak to zero, and an inertial imbalance window of about 0.3 seconds appears.

In kinematics, this is called sudden change in mechanical environment and technical stress response.

How did Chen Juan do it?

Although she was the fastest runner in front, she handled the situation calmly relying on her strong physical fitness and personal experience.

The inward-leaning posture of the body forms an angle difference of 20-25° compared to the upright posture of straight-line running.

Use the core muscles to quickly brake and complete the posture change.

The force direction of the supporting leg changes from "obliquely posterior and superior" to "straight posterior and superior", and the gastrocnemius muscle of the ankle joint plantar flexor instantly adjusts the force angle by 15-20°.

The arm swing trajectory switches from "left-right compensation mode" to "front-back drive mode", and the shoulder coronal plane motion range increases by 30%.

Some operations.

The transition from the curve to the straight road was completed easily.

Critical conversion process of inertial kinetic energy.

It can be said to be extremely silky.

This set of operations is at least at the international first-class level, and there are indeed some dimensionality reduction attacks demonstrated on the domestic stage.

Fortunately, Wei Yongli also did a good job.

Conservation of kinetic energy in progressive conversion.

Starting from 70 meters, reduce the inward inclination angle by 2° every 3 steps until you are fully upright at 80 meters. The angular velocity of the torso rotation is controlled at 60°/second to avoid sudden stop losses.

右臂摆幅从弯道的75°扩大至直道的90°，摆臂轨迹与躯干夹角从45°增至60°，驱动效率提升12%；

When the supporting leg touches the ground, the bending angle of the knee joint increases from 135° to 145°, extending the cushioning time by 0.02 seconds. This is to... absorb the inertial impact.

The erector spinae EMG value dropped from 280μV to 220μV, indicating that the core load was reduced by 21%, leaving room for straight-line sprinting.

Simply put, what Wei Yongli did here is to follow the law of conservation of angular momentum. By extending the posture change time, the lateral kinetic energy generated by the centrifugal force is gradually converted into forward kinetic energy in the straight line, thus avoiding operations with sudden energy consumption.

Yuan Qiqi was completely controlled by his anxious heart.

You have to hurry over it before that.

Get back to your previous position.

The risky game of radical conversion is her choice now.

80米时内倾角从22°骤降至5°，躯干旋转角速度达120°/秒，这是陈娟2倍，想要利用惯性获得0.15m/s切向加速度。

Unfortunately, there is "cross lag" when the swing arms switch.

This directly caused her right arm to swing forward and cross the midline of her body too early, causing her left shoulder to move forward 0.05 meters and produce a lateral displacement of 0.03m.

As the lateral position increases, the knee hyperextension increases when the supporting leg touches the ground, and the quadriceps are forced to activate earlier, consuming additional energy.

The EMG value of the rectus femoris soared to 350μV, far exceeding the fatigue threshold of 300μV, indicating a decline in explosive power in the later stage.

Although the sudden stop transition can increase the speed briefly, it is not done properly, which not only destroys the continuity of the movement, but also causes 30% more energy to be consumed to correct the running posture in the next 8 meters.

Four words.

Not worth the candle.

Fortunately, she is still quite young.

There is still time to adjust and improve.

The hardships and mistakes you make now are just tuition fees.

As long as this situation does not occur on the stage of a major competition where opportunities are extremely rare, it will be fine.

All are within the tolerable range.

Jiang Lan suddenly showed her power.

When she turned the corner into the straight, she gave up actively adjusting the inclination angle and relied on her stride frequency to quickly "sweep" the connecting section, still maintaining a 80° inclination angle at 5 meters.

The left arm switched from "anti-rollover mode" to "front drive mode" in time, and the swing arm was increased by 0.1 seconds, resulting in an additional 0.02m of propulsion force per step.

The torso tilts forward by 18° due to inertia. Although this is still far from the ideal value of 10-12° on a straight track, it is easy to form an "over-dive" and limit the depth of breathing.

But she is experienced.

I still rely on my own experience and try my best to correct the sense of disadvantage.

It can only be said that it is within the scale of the traditional system.

Great run.

It was a really good run.

No wonder she ranked in the top two on the original timeline this year.

The headwind of 0.6 meters per second almost made it through, 23 seconds.

This is certainly not remarkable in the world, but it was very good in China and Asia at that time.

The hard power has reached 23.20+.

Quite strong.

So you can see that she took advantage of Kong Lingwei's overexertion in the previous period and made a small mistake here, and started to narrow the gap again.

Continue to put psychological pressure on Kong Lingwei.

Keep going.

This is the time to test the athletes' psychological quality, and of course, it is also the time to test the athletes' competition experience.

These two girls have quite a bit of experience in the 100-meter race, but not enough in the 200-meter race.

I am not confident enough about my personal abilities here.

It's easy to fall into Jiang Lan's rhythm.

After all, Jiang Lan is also the top female 200-meter athlete in the traditional department this year.

He does have some skills.

Quite a level.

As a post-80s generation, he fully demonstrated the style of his predecessors.

Su Shen looked at her and had to nod to her silently.

In fact, Yuan Qiqi and the others are still a little anxious. It would be better for them to adopt the "three-step conversion method" according to their own situation.

所谓弯道进直道的“三步骤转法”就是70米降内倾至15°→75米至8°→80米直立。

Each phase is accompanied by a 10° rotation of the swing arm plane.

The supporting leg adopts a "rolling landing": the heel touches the ground first and then quickly transitions to the forefoot, with a contact time of 0.2 seconds.

The trunk rotation amplitude was controlled within ±2°, and the EMG value of the sternocleidomastoid muscle was only 180μV, indicating that the neck muscles were completely relaxed.

Unfortunately, both girls were a little too eager for success.

They all gave up this technique of turning into a straight road, which they had clearly mastered.

Sometimes making reasonable technical choices based on your own condition is also the threshold on your road to becoming a first-class athlete.

Of course, the same thing applies: they are all very young.

There are opportunities.

It seems that this technique is slower than other techniques, but compared with the overall mistakes, in the transition section where experts make frequent mistakes, the stable technology conversion is actually... equivalent to acceleration in disguise.

For example, Jiang Lan took the safe path and at this stage she narrowed the gap with Kong Lingwei to almost one meter.

As she continued to run forward, she took advantage of the instability caused by the two young athletes' impatience and needed time to readjust, which made her shrink further.

After the whole bend comes out.

She is basically on par with the third place, Kong Lingwei.

Almost the same.

At most, there was only less than a body length left.

"Sure enough, Chen Juan was the first one to come out!"

"Her strength is undoubtedly the best among everyone!"

While Yang Jian was speaking, Li Tao beside him also said:

"Wei Yongli is also good and handled it very well."

As for the two young athletes, there was no extra commentary about them. It can only be said that they did not handle it very well, which has been seen.

But there is no need to be too harsh on young people.

Both of them chose to avoid it.

After Chen Juan entered the straight, she had already established a huge advantage. Her Jamaican running style allowed her to keep running and continue to rush forward.

I didn't cruise around like other athletes.

Due to the deformation of Yuan Qiqi's early technique, the stride/step frequency ratio was unbalanced, and the deviation of the landing point of the left and right feet with each step was as much as 3cm, so he was forced to distract himself to make corrections.

Kong Lingwei is similar, but her strength level is lower than the former. Although her technique is complete, she lacks the kinetic energy to surpass others and falls into the "constant speed trap".

Just look at the internal conversion time.

The one with the lowest speed loss rate is Chen Juan.

The second is Wei Yongli, and the third is... Jiang Lan.

Bang bang bang bang bang.

Bang bang bang bang bang.

110 meters, 120 meters, 130 meters, 140 meters.

There is basically no change in the front.

Chen Juan is still in the lead.

Even the gap is widening.

Wei Yongli has always been in second place.

Stuck firmly.

Now she just follows Chen Juan as much as possible.

Don't let your speed drop any further.

As long as Chen Juan can hold on.

It will bring you better results.

If you are sure you can't outrun this person.

But I want to achieve results.

Wei Yongli's running style is the most suitable.

The only changes are the few people at the back.

Jiang Lan.

He actually took the lead in counterattacking.

About 130 meters away.

Surpassed Kong Lingwei.

Came to the 3rd place.

150 meters!
After reaching this distance, there are only the last 50 left, and at this time the blood lactate concentration of all the contestants generally exceeds 12mmol/L.

Neuromuscular conduction velocity generally decreases by 15-20%.

At this point, agonist-antagonist coordination breaks down.

Proprioception will lag behind.

The center will inhibit the start.

In other words, the discharge frequency of the motor area of ​​the cerebral cortex is reduced by 10-15Hz, which forces the muscles to operate in an "energy-saving" state.

At this time, it is more about testing the athletes' endurance and aerobic capacity.

The Jamaican running style will also lose its magic in this place.

More needs to be solved by the athletes themselves.

Even Chen Juan.

Because she wants to reach her best level.

There's not much room here.

Since we can't let it go, then running to this place using the Jamaican running method would definitely be a bit...uncomfortable.

Unless you're a monster like Blake.

Fortunately, she is a player with big strides in the later stages.

Even if the body is fatigued.

Still able to rely on one's own physiological advantages and continue to maintain a good speed.

A typical example is Bolt for men.

That's how it's done.

Even if I feel tired later.

There is a significant drop in cadence.

That doesn't matter either.

The impact is much smaller than that of an average short player.

This is because the normal stride will naturally be larger.

You have to accept it even if you don't want to.

There are only a few women's sprinters of her height.

Not everyone is Okabare.

She had done well enough before.

It all depends on the last 50 meters.

Bang bang bang bang bang.

Enables single joint priority mode and forgoes full hip extension.

This is to focus on the rapid extension of the knee joint.

Chen Juan's flexion and extension angle was reduced from 160° to 140°.

Reduce the coordinated consumption of multiple joints.

170 m.

Higher levels of physical fatigue.

The arm swing is simplified to a small pendulum of the shoulder, with the amplitude reduced from 90° to 70°.

This is to reduce energy consumption in the upper limbs.

190 m.

Chen Juan knew that her condition in this game was pretty good, and her reaction at the start was also quick, so she didn't want to waste the buff of Qingtang City here.

Although at this time she already felt severe fatigue from exerting all her strength on her body.

But the point is right at hand.

You must never let your speed drop drastically.

How to do it?

Chen Juan didn't know whether it was intentional or she bumped into it accidentally.

The teeth actually pierced the tongue hard.

You know what, this is equivalent to piercing the trigeminal nerve invisibly!

Delayed central inhibition onset!

Maintains the excitability of the brainstem reticular activating system!
195 meters!
Chen Juan herself felt that her nerves had cleared up for a moment.

Take a chance.

She is also an experienced veteran.

No matter how this happened, no matter whether it was intentional or unintentional, this moment must be seized.

A little clarity can make her technique and body proprioception better.

That's it.

It can make the moment of pressing the line more controllable.

196 meters, 197 meters, 198 meters...

Swing your arms.

Press the line! ! !

Perhaps because the 200-meter run was too exhausting, the margin of her success here was far less than that of the 100-meter run.

But enough is enough.

Because for female athletes, their natural physiological advantages will have a greater impact on them when they are tired.

call------

After running 200 meters, there is always a feeling that hell is finally over.

At this time, Chen Juan was too tired to control her body.

There was no time to turn around and look at the results.

But it doesn't matter.

Some people have already been watching the electronic timer.

Just in the half second when Chen Juan passed by.

Someone has already yelled out——

22.…

22.29!!!!!!!!!!!!!!!

A new achievement is born! ! ! !
She is now 10 meters away from Li Xuemei! ! ! ! ! !
200 meters is one step closer! ! ! ! ! ! ! ! !
Li Xuemei watched.

I couldn't help but clench my fists slightly.

she knows.

If there is anyone who can surpass myself.

Among all the athletes at the moment.

It’s this long-legged girl from Hunan who is as tall as me.

Most likely.