Magic City Stadium.

It seemed to be a little heavier.

But it's still light rain.

On your marks.

Rogers is the first one. When starting the first one, he will pay more attention to the accuracy of the starting direction because he is close to the edge of the inner track. Generally, there is no first one in the competition now. The so-called first one is the second one, unless someone has equal results in the semi-finals.

It can be different in the Diamond League.

For the benefits and visibility of the game.

It will start together in nine ways in one breath.

Before Rogers starts, he will carefully adjust the position of his feet to make the central axis of his body completely consistent with the straight line of the track, avoiding the speed being affected by the bias towards the inside after starting.

Working and leisure in the second lane, he glanced at Rogers on the side. Because he was in the second lane, he would fine-tune his starting angle and distance according to Rogers' position in the first lane.

To avoid being too crowded and affecting the mentality.

Zhang Peimeng started in the third lane, and his starting posture was relatively relaxed. He would emphasize the symmetry of his feet pushing the ground to ensure that the strength was evenly distributed on both legs.

When starting, the center of gravity of the body is slightly lower than that of work and rest, and use the powerful kicking and stretching force of the hind legs.

In fact, he is also learning to start with a bent arm, but it is really not easy. Besides, this year is still the year of the competition, so he still thinks...

After this year, technical changes will begin next year.

In order to welcome the 2015 Imperial Capital World Championships.

Bolt is the fourth path. His starting posture is unique, with wider legs than other athletes, so that he can get more stable support when starting. At the moment of starting, his leg muscles will be like a powerful engine, driving his thighs to push the ground vigorously.

It's his activation gesture, but it's still not fixed enough.

Always Jamaican style of doing whatever you want.

Su Shen is on the fifth lane. When he starts with a bent arm, he will push his feet on the ground and exert force rapidly and concentrate. Compared with the rest, he will control the height of his hips more accurately and form a suitable gap with his shoulders to achieve the best force posture.

The newly mastered curved arm start 2.0 version, with powerful waist and back muscles, spreading like a bat shirt.

When he was allowed to support him, the teresis and the teresis major expanded strongly, as if they were connected with his three-headed end armpits.

Some professionals only saw that Su Shen seemed to have reduced the muscle mass of their upper body, especially the upper limb muscles, which looked smaller, but they all ignored them. Where it should be strengthened, Su Shen not only did not weaken, but should have increased a little.

But this place is not easy to see.

You don't have to expand.

Not easy to be noticed.

These two places are enhanced, and for those who have the talent in this area, the functions of internal rotation and external rotation are also enhanced. The teres major muscles are mainly responsible for the adduction and internal rotation of the shoulder joint, while the teres minor muscles are responsible for the external rotation of the shoulder joint.

You should know that in the starting stage of the 100-meter race, athletes need to help their bodies gain greater activation force through internal rotation and external rotation of their arms.

This is true whether it is a straight arm starting or a curved arm.

However, the straight arm starter has less bonus in this regard. This is mainly because when straight arm starter starts, its support angle is less mobilized to the muscles of these two pieces.

If you bend your arms, it is easier for you to mobilize these two muscles subjectively.

Not to mention, both the teres major and the teres minor are involved in the introversion of the shoulder joint. At the start, the introversion of the arms helps the athlete to transmit strength from the legs to the upper limbs, and then push the body forward.

In addition, it can greatly improve the stability of the shoulder joint.

Especially in the starting stage of the 100-meter race, the stability of the shoulder joint is crucial to the effective transmission of strength. The teres major and teres minor help stabilize the shoulder joint through their roles around the shoulder joint, so that the strength can be transmitted more effectively from the lower limbs to the upper limbs, and ultimately act on the ground, pushing athletes to increase forward.

There is also the most easily overlooked point.

At the start, the synergistic work of the teres major and teres minor helps to transfer the powerful force generated by the lower limbs through the torso to the upper limbs, which is very critical for sprinters because it can help them get a faster starting speed.

This involves the combination of physiology and kinematics—

The first is the synergy of muscles: the teres major and teres minor work together with the latspinalis dorsi to generate strength from the scapula. These two muscles form a muscle tissue bundle, which enters the armpit from the scapula and connects to the front of the upper humerus, which forms the anterior wall of the armpit. At the start, this connection helps to transmit the power generated by the lower limbs through the trunk to the upper limbs.

The second is the attachment point and function of the muscle: the attachment point of the teres major muscle is on the dorsal side of the lower corner of the scapula and the ridge of the humeral nodule. The functions include internal rotation, adduction, and posterior extension of the shoulder joint. The teres minor muscle is attached to the lateral edge of the scapula and the lower part of the humeral major tuber. The main function is external rotation and adduction of the humeral. These functions enable the power of the lower limbs to be effectively transmitted to the upper limbs through the rotation of the trunk and the movement of the shoulder joint during the start.

The third is the physiological mechanism of power transmission: at the start, the force generated by the contraction of the lower limb muscles is transmitted to the bones through the tendons, thereby producing movement. The teres major and teres minor muscles participate in this force transmission process through their attachment points and functions, transmitting strength from the lower limbs through the trunk to the upper limbs.

The fourth is the coordination of the neuromuscular system: Functional strength training emphasizes the integrity of the whole body movements and dynamic balance under control, and emphasizes the training of the nerves' recruitment ability to muscle fibers. At the start, the nervous system coordinates the contraction of the teres major and teres minor muscles, so that strength can be effectively transmitted.

The fifth is the efficiency of muscle strength transmission: Functional strength training attaches importance to the strong superficial muscles and large muscle groups in the motor chain, especially the construction of the core area strength platform and the practice of deep muscles and small muscle groups in various parts of the human body with movement as a carrier. As part of the deep muscles and small muscle groups, the teres major muscles and small muscle groups help to transmit the power generated by the lower limbs through the trunk to the upper limbs by improving the output efficiency of strength.

This chapter is not over, please click on the next page to continue reading! The sixth is...

There are dozens of them in total.

There are seven or eight more important ones.

Tell me.

At the current level of kinematics.

Research on the starting of the curved arm.

Few can do this.

Even if I thought of it.

Because some links are missing.

Can't go to practice.

Only Shen Su has the conditions for the right time, place, and people.

Neither he.

waste.

This solid and powerful bend arm supports.

Let Bolt beside him.

I can't help but take a look.

This posture is really handsome.

Of course I'm not saying he's handsome.

He is definitely not as handsome as me.

But this posture...

Tsk tsk tsk.

Look at your own.

Very envious.

This is not the first time Bolt is jealous of Su Shen’s startup technology.

Especially this bent arm starts.

Let’s look at Zhao Haohuan over there. Isn’t he a big man too? He still starts so smoothly.

If you can give yourself this skill.

You can make further breakthroughs in your future.

Thinking about it.

Bolt has a kind of affair, it would be great if he could put Su Shen’s brain into his own.

After playing the plants and zombies that have been in the fire in recent years.

Bolt also had this idea.

When Blake started on the sixth lane, his starting posture was compact and powerful.

He will accurately place the center of gravity between his feet, take a deep breath before starting to adjust the state, so that the muscles in the whole body are in the best pretension state.

that is……

His plan has some disadvantages.

That is, before starting, the pre-tension was too tight.

In this way, you are in the process of starting the reaction.

There may be some stagnation.

This is not surprising at all.

This shows that Blake has not yet fully evolved this set.

Maybe grasp this pre-tension point.

This is a good degree of tightness in the muscles.

It's just a little too much.

On the seventh lane, Blake's old opponent Zhao Haohuan was also Zhao Haohuan. When he was preparing for the start, he stepped firmly on the starting device, his knees bent at moderate degree and his hip muscles tightened.

Thinking about the starting signal after the starting signal is issued, the hind legs will thrust forward quickly, and the curved arms will swing quickly to drive the center of gravity of the body to move forward quickly.
To be continued...