(Go to the net.)

In the past, when Li Yundong was an otaku, he never thought that eating and sleeping was a kind of practice, and even running was a kind of practice!

Since Li Yundong read "The Yellow Emperor's Inner Canon", although he will not be able to fully understand all the contents for a while, he has memorized the contents in his mind with his strong memory, and he will naturally understand it slowly in the future. Go and see the net. oM/

When he first started running, Li Yundong didn't feel anything unusual about his body, because his body was transformed by Yuan Jindan into an extremely powerful body, which included not only strength, but also strong adaptability and durability.

Ordinary people can lift 100 catties of things, Li Yundong can carry 1,000 catties of things, ordinary people will pant for breath when they run 500 meters, and Li Yundong will run 5,000 meters in one breath without changing his face and heartbeat.

But when Li Yundong ran out of nearly ten kilometers with a seven-treasure psychic fan of more than 100 catties on his back, he began to feel that there was a hot gas in his body that was constantly steaming, and this heat was constantly expanding, turning over the river and the sea in his chest and internal organs.

This feeling made Li Yundong very uncomfortable at first, just like the feeling he experienced when he was running out in school before, as if he had become a pressure cooker, his body was full of swelling heat, and the more he ran, the more bulging it became, Li Yundong wanted to tear all the clothes on his body, and then cut open his chest, so that the breath in his body could leak out.

Li Yundong wanted to stop and let the breath in his body slowly calm down, but he suddenly remembered what Ziyuan said about not stopping for the first run, and running as far as he could, until he couldn't stand it anymore.

As soon as Li Yundong gritted his teeth, he buried his head and continued to run like this for another five kilometers, Li Yundong had already left the city, and he began to feel a fever all over his body, and every 36,000 pores on his body were pricked by needles, which was painful and itchy.

Li Yundong couldn't help but be a little shocked in his heart, and didn't understand why such a situation occurred.

But he thought about what he saw in the Yellow Emperor's Neijing, and he unconsciously searched for the knowledge in his mind to explain such a phenomenon.

After thinking about it for a while, Li Yundong really couldn't stand the feeling of the manic heat in his body rushing wildly, the pores of his body opened, and his body began to sweat. Go to see the net --.7-K--o-/

This sweating, Li Yundong suddenly felt that the stuffiness in his body was a little less, Li Yundong's spirits were greatly lifted, and suddenly his heart moved, as if he understood the reason why Ziyuan asked him to run to cultivate himself.

Li Yundong was a little sudden: when the pores of a person are opened, the vitality in the body will go out, and running is to make all the muscles and internal organs in the body move, and force the pores of the whole body to open and excrete the vitality in the body.

Vitality is the most precious essence of a person, according to the theory of health, vitality this thing, born how much is how much, can not increase, only decrease, some people are born with more vitality, some people have less vitality, like a gas tank, some gas tanks are large, some gas tanks are small.

While running, Li Yundong secretly thought to himself, witnessing his self-realization: people who don't know how to practice have no way to increase their vitality, and their vitality will only slowly decrease with the passage of time.

Why are children's eyes dark and bright, and why do many people get older and darker?

Because children have the most vitality, their eyes are dark and bright, and as they grow older, they do not pay attention to self-cultivation, so that the vitality in the body is lost, resulting in the eyes no longer having vitality.

One of the most important things to do is not to sweat profusely!

When people are young, they have the most vitality and energy, so they often don't pay attention to this, and they often sweat profusely, as if they have taken a bath, but they don't know that this is a big thing to hurt their vitality.

Li Yundong was running while thinking about these questions in his mind, he was an extremely smart person, before Ziyuan was just a little dial, he touched the bypass, and he figured out a lot of problems at once.

He thought: Why are most of the athletes in poor health when they get old? Either there is something wrong here, or there is something wrong there, and part of the reason for this is that high-intensity training has caused some damage to their muscles, but there is also a very important reason that they sweat too much when they are young, their pores open too much, and their vitality is greatly damaged, so that when they are old, their bodies are empty and have nothing to rely on.

Moreover, many frail people take a hot bath for a long time, why are they dizzy?

Because the pores have been open for too long, the vitality in the body has run out. Go to the net --.7-K--o-m.

Thinking of this, Li Yundong had unconsciously run another five kilometers, if before, he would have been tired and out of breath after running two thousand meters, but now Li Yundong only felt that his breath was rushing, and the whole body was like a high-speed motor, and the breath in his body was "soaring" to drive his body, making him more powerful and comfortable the more he ran.

At this time, Li Yundong already understood what "running is also a kind of practice" meant.

Ordinary practitioners are afraid of sweating and opening their pores, because they are afraid of the leakage of vitality.

And Li Yundong is different, he is afraid that the boiling and tumbling vitality in his body will not get out at this time, just like a pressure cooker, if the heat is always increasing and expanding, then the whole pot will explode, but if there is a leak, then the pot will not explode.

Li Yundong ran this time, and as soon as he sweated, the churning heat in his body immediately found a place to vent, and his whole person turned into a huge furnace with a lid.

Ge Hong, the great master of the Danding faction at the end of the Eastern Han Dynasty, believed that the human body is a big Ding furnace, and if a person wants to cultivate the inner Dan, he must use essence and qi as the medicine to induce it, and use the gods to smelt it, and finally practice the Dan in the human body!

The basic kung fu foundation of cultivation is a process of refining the essence of the human body into an inner pill with spirits!

Zi Yuan previously thought that although the true qi in Li Yundong's body was majestic and vast, it was not condensed, but at this time, as soon as Li Yundong ran violently, the true qi in his body surged and rolled, and the whole person also became a pressure cooker, and a huge pressure was generated in the closed body, constantly washing Li Yundong's meridians and squeezing the true qi in his body.

This principle is the same as stewing bones in a pressure cooker, if you don't use a pressure cooker to stew, the meat bones will have to be stewed for nearly an hour or two to be completely stewed, but if you use a pressure cooker, after a while, the meat and bones will be rotten.

This is the case in Li Yundong's body at this time, his body is this pressure cooker, and the true qi in his body is this meat and bones!

Unconsciously, Li Yundong ran along the road for nearly 30 kilometers in one breath, it was noon, Tiannan City was a southern city again, it was already very hot in June, and it was the time when the sun was shining, Li Yundong's body was as if he had been fished out of the water, there was no dry place on his body, and he made a footprint when he stepped on the stone surface of the sidewalk!

Although Li Yundong was sweating profusely, he didn't feel tired at all, but the more he ran, the more energetic he became, and the more he ran, the brighter his eyes became.

In the process of running, Li Yundong can not only feel that the true qi in his body is like stainless steel that has been tempered for thousands of years, constantly undergoing beatings and impacts, but he can even clearly feel that the internal organs in his body are constantly squirming, and the heat in his body is vibrating with each other.

Li Yundong couldn't help but think again: Why do many people who love exercise rarely get sick?

Because when they exercise, the internal organs in the body will also move with the peristalsis, although this peristalsis is far from being comparable with the movement of muscles, but this is also a kind of exercise, each exercise will mobilize the vitality in the body to gather on these organs, making them continue to become stronger.

This principle has nothing to do with the fact that people who learn to sing must constantly practice their voices, even if they break their throats at the beginning, because the vocal cords become stronger and thicker the more they practice.

The same is true of the internal organs of the human body.

Li Yundong knew that the organs in his body were constantly peristalsis at this time, and he was constantly replenishing his vitality to various organs, and this kind of exercise was a hundred times stronger than ordinary people, or even thousands of times.

Under the medicinal power of Renyuan Jindan, Li Yundong exercised for an hour, which is equivalent to an ordinary person's exercise for a month, and he exercised for a day, which is equivalent to an ordinary person's exercise for a year!

When Li Yundong ran another 10,000 meters like this, he began to feel a dull grunt sound coming from his abdomen.

At first, Li Yundong thought that he was hungry, but soon Li Yundong found that something was wrong, because the sound in his stomach became louder and louder, and every time it sounded, he felt that his body was shaking, and the sound was like rolling thunder in the distant sky, heavy and muffled, and like the roar of tigers and leopards in the deep mountains.

"Could it be that this is the thunder sound of the tiger and leopard?" a thought flashed through Li Yundong's mind.

As a professional otaku, Li Yundong has watched Jin Yong's martial arts since high school, and has been a martial arts fan until now, and he is certainly no stranger to Haw Par Lei Yin.

Li Yundong once read "The Passing Martial Arts" written by Li Zhongxuan, a close disciple of the master of Xingyi Shang Yunxiang, and it is mentioned in this book that Li Zhongxuan asked his teacher Shang Yunxiang: What is the tiger and leopard thunder sound?

Shang Yunxiang hugged a cat and put it in Li Zhongxuan's hand and said: This is the tiger and leopard Lei Yin.

Li Zhongxuan suddenly realized.

Cats, leopards, and tigers all belong to the feline family, and they all have a common feature, that is, their stomachs make a low sound all the time, which is the sound of their internal organs constantly wriggling, like rolling thunder in the distant sky, so it is called tiger and leopard thunder.

Li Yundong's dull voice in his abdomen at this time is the realm that many people who practice martial arts cannot cultivate, "Tiger and Leopard Thunder Sound"!

Whether it is a practitioner or a martial arts practitioner, it takes years or even more than ten years of painstaking efforts to practice the tiger and leopard thunder sound and practice kung fu to the internal organs, but Li Yundong has practiced it in just one day!

While Li Yundong was shocked and surprised, he sighed at the wonder of Renyuan Jindan, if there was no Renyuan Jindan, he would not be able to practice the tiger and leopard thunder sound in his life!

The internal organs in his body were constantly squirming, and Li Yundong could clearly feel that his bones and muscles were constantly swelling, and this feeling of swelling was not painful, but full of a sense of strength.

Li Yundong could sense that the breath in his body was circulating rapidly at this time, part of the breath was leaking out from the pores, excreting the excess breath, and part of the breath was driving Li Yundong's blood to flow rapidly.

This feeling makes Li Yundong feel more comfortable the more he runs, and the more he runs, the more he feels energetic, and the speed of his running is comparable to the speed of ordinary people's 100-meter sprint!

This terrifying speed only frightened some passers-by on the road and almost caused a car accident.

Li Yundong suddenly felt: Maybe this time the cultivation was not an extremely arduous journey, on the contrary, he was happy and never tired of it!

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