Urban: His understanding is incredible, and he becomes an immortal starting from practicing martial

Five days later.

Bai Xuan perfected the extreme external training method and muscle training chapter to train the muscles and tissues to the extreme.

Of course, the ultimate here is only the ultimate in certain aspects, not the all-round ultimate.

The human body is an extremely complex structure. Every organ and tissue affects many human body systems and has multiple functions.

The same is true for tendon tissue. Bai Xuan can only train the length, density, and toughness of the tendon tissue to the extreme, maximizing the protective function of the tendon tissue for the human body and enhancing the function of the sports system.

"Strength, defense, and flexibility..."

After Bai Xuan easily performed a few difficult movements, he turned his attention to the boxing dynamometer hanging on the wall.

"Give it a try and see exactly how much my strength increases."

Slowly walking to the boxing dynamometer, Bai Xuan mobilized many organs and tissues of the human body in an instant, mobilizing strength to the greatest extent, and then punched out.

"Bang!!!"

The fist brought up the phantom, and hit the boxing dynamometer extremely quickly, creating a dull collision sound.

Four hundred and twelve kilograms!

"Over four hundred"

"Very good, 412 pounds, an increase of 28 pounds from 384 pounds five days ago, exceeding the world record of 49 pounds"

"This is already a very exaggerated improvement."

The stronger the human body is trained and the closer it is to the limit, the harder it is to improve naturally.

Even if all the organs and tissues of the human body are trained to the limit of the human body, the human body is still made of flesh and blood and cannot withstand bullets.

If you want to have the ability to withstand bullets Strength inevitably requires breaking the limits of the human body and mastering extraordinary power.

But... not necessarily.

After concentrating his thoughts, Bai Xuan's thoughts also changed.

"Okay, now that the exercises have been completed, the next step is to train the bones."

"After all the skin, flesh, muscles and bones are exercised to the extreme, what changes will happen to the human body?"

"Strong and tough, even the world fighting champion can defeat me easily"

"If I were facing ordinary people, how many people could I fight?"

With some expectations, Bai Xuan began to practice the Bone Refining Chapter.

In the next month, in addition to studying in class, Bai Xuan trained the bones.

Thus, bit by bit, he trained the bones to the extreme.

"Bang!!!"

Punched out.

When the number four hundred and fifty-one kilograms appeared, Bai Xuan also raised the corner of his mouth.

"My strength increased by another fifty-one kilograms, which is really an exaggerated figure."

"But it’s normal. The ability of bones to withstand force is the main factor that restricts the performance of muscle strength."

"The hardness of the bones has been improved, and it can naturally carry more force, allowing the muscles to exert more powerful explosive power."

"Skin, flesh, muscles and bones are integrated into one body, and the power is surging. It only makes me feel that my body is extremely relaxed and light."

"More importantly, after exercising my muscles and bones to the extreme, I will be able to better master and exert the effects of Tiger and Leopard Thunder Sound."

Thinking of this, Bai Xuan immediately started trying

"Buzz!! Buzz!!!"

As Bai Xuan exerted his strength, his muscles and bones buzzed like a tuning fork, his body vibrated, and the power was transmitted to his internal organs.

【You master the sound of tiger and leopard thunder, use the principle of sound wave oscillation to exercise the internal organs, feel the changes in the body, combine with professional knowledge, further optimize and improve the extreme internal refining method, and use the sound of tiger and leopard thunder to exercise the internal organs more efficiently. extreme】

"Very good, I have experienced the tiger and leopard thunder sound, and I can indeed further optimize the extreme internal refining method. But speaking of it, the core of the extreme internal refining method is the tiger and leopard thunder sound, so the extreme internal refining method may also be called the thunder sound inner method. refining"

""Thunder Sound Internal Refining Method..."

Although Hubao Leiyin is the core of the extreme internal refining method.

But the essence of Hubao Leiyin is vibration.

Bai Xuan knows that vibration is a ubiquitous phenomenon in the universe.

It is generally divided into macroscopic vibrations , such as earthquakes and tsunamis.

And microscopic vibrations, that is, thermal motion and Brownian motion of elementary particles.

Some vibrations have relatively fixed wavelengths and frequencies, while some vibrations do not have fixed wavelengths and frequencies.

When two objects vibrate at the same frequency, where When one object vibrates, another object can vibrate at the same frequency. This phenomenon is called resonance.

In addition to human breathing, heartbeat, blood circulation, etc., which have their own natural frequencies, the brain waves generated when the human brain performs thinking activities will also Resonance phenomenon occurs.

Similar resonance phenomena also commonly exist in other animals. For example, the transmission of brain waves and the exchange of information between animals are inseparable from resonance.

"Resonance…"

"Although the current extreme internal refining method is very complete, if I learn about the resonance phenomenon in physics, I may be able to further optimize the extreme internal refining method."

"Sound, breathing, heartbeat, blood circulation..."

As Bai Xuan fell into deep thought, one inspiration after another continued to appear in Bai Xuan's mind.