What is the strongest bone in the human body. The most fragile bone. What are the strongest bones in the human body?

Bones are the basis of the human musculoskeletal system. Together they form the skeleton. Despite being lightweight, they are incredibly durable. Human bones are several times stronger, ten times more elastic and lighter than steel. All bones are flexible and strong, and their structural features are determined by their location. What are the strongest bones in the human body?

General information about bones

There are 206 bones in the human body: 36 unpaired and 170 paired. They differ in shape and structure depending on their functions. One of the main properties of bones is strength. Thanks to it, bones can withstand enormous loads and perfectly serve as the foundation of the entire body.

Bone is a living part of our body. They are equipped with nerves and blood vessels. Over the course of a person's life, bones grow and change. With prolonged inactivity, bone can be resorbed (for example, the walls of a dental cell during tooth extraction).

The chemical composition of tissues changes with age. Over time, more salts accumulate in them and the amount of organic matter. Salts make bones harder, but also more brittle. This is why older people get fractures more often than children from falls and even minor injuries.

Functions of bones

It is the basic functions that determine which bones are the strongest in the human body.

The following functions can be distinguished:

  1. Support. In fact, bones are the frame to which our muscles and joints are attached.
  2. Protective. Skull bones, ribs, pelvic bones protect human internal organs from mechanical damage.
  3. Motor. Thanks to the bones at the junction with the muscles and joints, a person can perform different movements.
  4. Cumulative. Bones accumulate various substances and minerals, including salts, vitamins, phosphates and calcium.
  5. Spring. Thanks to the special structure of some bones, the shaking of the entire skeleton during movement and walking is reduced.

What are the strongest bones in the human body?

Many bones in the human body are very strong. The strongest bones in the human body include:

  • Bones of the skull (including the frontal and jaw).
  • Femur.

Their elasticity is constantly tested by external mechanical influence. In terms of stretching and hardness, the strength of bones is close to the strength of cast iron. The hardness and elasticity of human bones can only be compared with reinforced concrete.

Most strong bone In the human body, the tibia is considered to be the tibia. It can withstand a load of 1650 kg, equal to the weight of 27 people. This is due to the fact that it bears the greatest burden to maintain human body. Main function The tibia is the supporting bone. Thanks to its strength, a person can not only stand firmly on his feet, but also be able to carry large loads.

Where is the tibia located? This is the largest component of the lower leg. Upper part The tibia is the base for the knee joint. The bone is located on the medial side of the leg next to the small tibia. It is the second largest in the human body, after the femur. It is easy to feel along the front surface of the shin, since it is not covered by muscles.

Strength and flexibility are important properties bones, because thanks to them we can make all kinds of movements without feeling pain and without fear for the safety internal organs. The tibia, as the strongest in the human body, performs important function and actually carries the entire mass of the human body. Bones are the basis of our body. The stronger they are, the stronger man. Skeletal condition has a direct impact on general condition human health.


Muscles and bones are the basis of the human body, which allows us to walk, jump or simply lie on the bed.

1. In order to smile, you need to use 17 muscles, and in order to frown - 43. Unless you want to thoroughly stretch your facial muscles, smiling is the simplest type of facial expression. Those who frown and squint a lot know how tiring it is, which, without a doubt, does not contribute to a good mood.

2. A newborn has 300 bones, but as they grow older, their number decreases to 206. This happens because many of the baby’s bones are made up of smaller bones, for example, the bones of the skull. This makes the birth process easier for the baby. Bones grow together and become stronger as the child grows.


3. In the morning a person is about a centimeter taller than in the evening. The cartilage between the bones gets compressed due to standing, sitting, etc., which makes us a little shorter at the end of the day.

4. The strongest human muscle is the tongue. Of course, you won’t be able to do push-ups with your tongue, but it’s a fact: the tongue is the strongest muscle in the human body in proportion to its own size. Think about it - every time you chew, swallow or speak, you use your tongue, which serves as good exercise for it.

5. The strongest bone in the human skeleton is the jaw bone. The next time someone threatens to punch you in the jaw, smile - after all, the jawbone is one of the strongest bones.

6. A person uses 200 muscles to take a step. Depending on how you distribute the load, one single step will use about 200 muscles. This is a considerable burden, considering that a person takes an average of 10,000 steps per day.

7. The tooth is the only part of the human body that cannot be restored. If you have ever had a chipped tooth, you will confirm that it is sad but true. The surface of the tooth is covered with enamel, which is not living tissue. And this means that it cannot recover, which provides dentists with work.

8. Muscles atrophy twice as fast as they grow. However, this does not justify those who like to lie on the couch - building muscles and getting in shape is relatively easy, so you shouldn’t be lazy and procrastinate with sports.

9. Bones are stronger than some types of iron. This does not mean that bones cannot be broken, since they are much less dense than iron. The tensile strength of bones is 3.5 times less than that of iron. Iron is much heavier than bones, but a bone weighing 1 kilogram is stronger than iron of the same weight.

10. The legs contain a quarter of all human bones. You may not have thought about it, but your feet are the most large number bones compared to other organs. How much exactly? Of the approximately two hundred bones of the human body, 52 two are located in the legs.

Bones are the basis of the foundations - the protection of internal organs, the skeleton of the whole organism, the ability to move and live life to the fullest. But how much do you know about bones?

The record holder for the number of bones is the carp, because its skeleton consists of 4,386 bones. A very interesting comparison: the human skeleton, for example, consists of only 212 bones, along with 32 teeth

There is a real Logan-Wolverine in the world, the one made of adamantium - this is a frog from Africa Trichobatrachus robustus - at the moment of danger, its bones in its paws burst out, piercing the skin in the manner of a cat.
Scientists have not yet fully figured out how the bones are pulled inward. They believe that the frog has excellent regeneration and the wounds heal easily, just like the bones.

Large mammals such as horses, elephants, and giraffes sleep standing up. This is due to evolution, in order to immediately start running in the event of an attack.
And for this in knee joint These animals have a special “lock” that “locks” during sleep and prevents the animal from falling. By the way, flamingos also have such a “lock”.

Do you know how the Eiffel Tower was built?
design Eiffel Tower invented based on the research of Professor Hermann von Mayer. The professor researched bone structure the head of the femur where it curves and enters the joint at an angle. The head of the bone is covered with a covered network of miniature bones with a strict geometric structure, it does not break under the weight of the body, since these bones redistribute the load.

The human body is constantly renewing organs, including bones. Every 7 years our bones undergo a complete renewal

Human bones are very strong. The matchbox-sized bone block can support a weight of 9 tons. The strongest bone in the human body, despite the fact that it is hollow, is the tibia.

True, there is an exception in the human body - the ribs are considered the most fragile, because they can break even from a moderate blow

By the way - you know that femur capable of growing in width under the increasing weight of a person. That's why fat people often the legs are positioned in a so-called “X”

Children are born without kneecaps. Only by the age of 3 do the cartilages located in place of the future calyxes ossify

By the way - the kneecaps are the most injured bony part people - about 1.5 million calls about problems with kneecap

The shark doesn't have bone skeleton. Her skeleton is solid cartilage (flexible bones). It is noteworthy that in order for a shark to be crushed on land, its weight is enough own body

But the garfish fish has green bones because high content biliverdin

The largest bone of known to man- upper bone of a blue whale. The art of carving bones is called scrimshaw

The dinosaur bones you see in museums aren't really bones.
Actually, these are stones - destroyed millions of years ago bone tissue left behind an organic residue, which, under the influence chemical processes turned into bone-shaped stone. Mineralized dinosaur bones are called dinobon and have value in the jewelry world.

All bones in the human body are interconnected, except one - the hyoid

The collarbone is a fragile bone

Almost every one of us broke some bone. Children usually walk around with an arm or leg in a cast. This is explained by their curiosity and excessive inquisitiveness, the huge amount of energy that they waste during active games. However, even in adulthood you can get a fracture. According to statistics conducted by WHO, the most broken bone in the human body is the collarbone.

Problems with a clavicle fracture

Every day, thousands of people around the world break this bone, whose age, occupation and lifestyle may vary significantly. Therefore, when a person walks with his arm hanging, this does not always mean that his arm is broken. If the collarbone is fractured, it is also necessary to limit the movements of the arm and shoulder for some time on the side where the bone is broken. This will ensure that the bone heals correctly.

Causes of clavicle fracture

In 80% of cases, the middle part breaks, in 15% the acromial end of the clavicle. The acromial end has a rough inner surface, which bears prominent lines and tubercles. These surfaces act as attachment sites for the muscles and ligaments of the shoulder.

You can break your collarbone by falling on lateral surface shoulder or outstretched arm if you receive a blow to the collarbone area. Also, very often during difficult childbirth, the collarbones of newborn babies break. There may also be, but very rarely, secondary bone fractures due to muscle contractions caused by seizures.

Signs of a fracture

A fracture can be diagnosed by examining the area. The main signs of a fracture: deformation, redness, swelling, some shortening of the shoulder girdle, if the shoulder is displaced in front or lowered - this also indicates a fracture. Together with top part the peripheral fragment, under the influence of gravity, moves forward, inward or downward. The fragment of the central part moves upward or backward. They can get closer or overlap one another.

The only way to restore the bone is to apply a plaster cast and limit the movement of the arm and shoulder on the side of the fracture or perform an operation - osteosynthesis.

Karl Filippov, Samogo.Net