Can anyone tell me how the strength of the left hand is not as great as that of the right hand? Verb

On the surface, the human body seems to be symmetrical, but it is not. If you divide the body into two halves by the median of the front and back directions, you will find that there are many differences in the subtle structures within the two halves.

The shape is asymmetrical, some of which are more obvious and can be easily seen directly. For example, a person who is accustomed to working with his right hand (most people use his right hand) has more activities in his right hand and more opportunities to exercise, so the bones and muscles of the right hand of the right arm are much thicker, more developed and stronger than the left hand of the left arm, and the right arm is longer than the left arm (about 1 cm).

In daily life, most people are accustomed to using their right hands to work, write, hold chopsticks, carry things, play ball, etc. According to statistics, there are about 95?98 of them are right-handed. Physiology calls this phenomenon the "right-handed" phenomenon.

The right hand is larger than the left in terms of strength, size, and weight. The right hand is more developed than the left hand, and even affects the right leg to be more developed than the left leg. So, why do people get so used to using their right hand?

According to biological research, people's habit of using their right hand is gradually developed through long-term labor. In the early Stone Age, people fought wild beasts in groups with stone axes and spears in their hands. In battle, people instinctively bend their left hand to protect the heart on the left side of their chest, while rushing at the beast with their right hand with a **.

This can also be seen in the frescoes of ancient Greece that have been left over a thousand years ago: people hold spears in their right hands and shields in their left hands.

For a long time, people often used their right hand, and even sometimes children used their left hand to write with a pen or eat with chopsticks, and teachers and parents always asked him to change it. Gradually, the phenomenon of "right-wing" is not only an acquired habit, but also an innate inheritance. Someone once did such an experiment:

When a baby who was only 4 months old was placed on a chair for a period of time every day, with many toys in front of the chair, it was found that he reached out with both hands to pick up the toys a total of 124 times, 74 times with his right hand and 50 times with his left hand. Later, the baby's right-handed use gradually increased, so much so that when the toy was placed next to his left hand, he also used his right hand to pick it up.

In the human body, the nerve pathways leading to the brain in various parts of the body cross halfway, i.e., the right hand is managed by the left hemisphere of the brain, and the left hand is managed by the right hemisphere of the brain. Because people often use the right hand, the left hemisphere of the brain is slightly more sensitive than the right one, which in turn prompts people to use the right hand more often, so that the right hand is stronger than the left hand.

In order to achieve a balanced development as much as possible, it is necessary to pay due attention to the use of the left hand in exercise and labor.

Yes, we often use our right hand, and after a long period of exercise, our right hand becomes stronger, and some people are used to using their left hand, so their left hand is more powerful.

If you want to use your left hand to make it stronger, you can use your left hand to do more things.

The human heart is on the left side, which leads to the fact that most people are right-handed, that is, in most cases, they are accustomed to using the right hand, which causes most people's left hand to not be as strong as the right hand.

Left-handers are different, the average person uses the right hand more, so they get more exercise, and the right hand will be stronger than the left hand.

About 90% of people are used to using their right hand to do all kinds of things.

In daily life, everyone is accustomed to using the right hand to do all kinds of things, and some people find that the right hand is generally more energetic than the upper and lower ones, why is this? Is there a person who has a strong right hand?

Why does the average person's right hand have more energy than the right hand?

Most people are more right-handed in their daily lives, and "left-handed" people often make up a small proportion of the group. Many people have also found that the energy of the right hand is greater than that of the right hand, and in the final analysis, this is closely related to the frequency of our normal right hand. In daily life, most people are generally more accustomed to using their right hand to carry out themed activities, such as writing calligraphy, carrying things, eating, etc., all of which are played by the right hand.

The right hand is regulated by the left hemisphere of the human brain, and the habitual application of the right hand has prompted the left hemisphere to be developed and designed very sufficiently, and its sensitivity is higher, which in turn promotes a large number of applications of the right hand. Because the right hand has more opportunities to be trained than the right hand, the right hand has more muscles and leg strength than the right hand, and studies have shown that the right arm is even a little longer than the left upper arm.

These people's right hand needs to be stronger than the right hand in terms of strength, size, and net weight. The right hand is more developed than the right hand, and even directly affects the right foot is more developed than the left foot. The habit of using the right hand is cultivated slowly through long-term awareness.

In the Stone Age, everyone often ran to the beast with ** equipment in their right hand. From the wall paintings of ancient Greece that have survived about 1,000 years ago, you can also see people holding spears and spears in their right hands and shields in their right hands. Gradually, the condition of "right-handedness" will no longer become an acquired habit, but will become a congenital genetic inheritance.

In the human body, the meridians of the nervous system are crossed halfway, that is, the right hand is the cerebral hemisphere "tube" to the left, and the right hand is the cerebral hemisphere "tube" to the right. Because people often use the right hand, gradually the activities of the left cerebral hemisphere are more complicated, which in turn encourages people to use the right hand more often.

The reason why many people's right hand will have more strength than their left hand is because most people are right-handed, and they use their right hand more frequently and exercise their muscles more frequently, which will cause many people to have more strength in their right hand than their left hand.

Because most people are right-handed, the use rate of the right hand is very high, so the muscles of the right hand are very developed, so it is very powerful.

Because many people are right-handed, they use their right hand more often, so the right hand will have more strength than the left hand.

It is because in the process of our growth, the right hand is used more often, so the muscles of the right hand are more developed.

About 90% of people are used to using their right hand to do various things. These people's right hand is stronger than the left hand in strength, thickness, and weight. The right hand is more developed than the left hand, and it even affects the right leg to be more developed than the left leg!

Why, then, do people get so used to using their right hand?

This has something to do with which hand we usually like to take the initiative to work, and after a long time, the strength of the right hand and arm will be exercised. There is a small number of people who are used to using their left hand, so their left hand strength is relatively large.

According to biologists, the habit of using the right hand is gradually developed through long-term labor.

In the Stone Age, people fought wild beasts in groups with stone axes and spears in their hands, and when they were fighting, people always rushed at the beasts with weapons in their right hands. This can also be seen in the frescoes of ancient Greece that have been left over 1,000 years ago: people hold spears in their right hands and shields in their left hands.

After a long period of time, human beings gradually developed the habit of using the right hand, and later in labor and fighting, people often used the right hand, even if sometimes a few children used their left hand to write or eat with chopsticks, teachers and parents always quickly let him change it, gradually, the phenomenon of "right profit" no longer became an acquired habit, but became an innate heredity.

In the human body, the nerve pathways are intersected, that is, the right hand is the "tube" of the cerebral hemisphere to the left, and the left hand is the "tube" of the cerebral hemisphere of the right side. Isn't it? Some people who have a stroke and have a right hemisphere of the brain are malfunctioning in the left hemisphere of the brain, while people with the left hemisphere is always in the right hemisphere of the brain.

As people use their right hand regularly, the activity of the left hemisphere of the brain gradually becomes more complex, which in turn prompts people to use the right hand more often.