Is O shaped leg hereditary, is O shaped leg hereditary?

There is a possibility of heredity.

But not absolutely.

With the continuous improvement of living standards, people have begun to pay attention to eugenics, and recently asked whether there is a hereditary type of O-shaped leg? There are many problems with beauty, and I am afraid that my O-shaped legs will be inherited to the next generation. This issue is described in detail below.

Of course, hereditary O-shaped legs are not uncommon. Chondlagenesis is a very rare genetic disorder that can lead to severe O-shaped legs.

Later, we will introduce achondroplasia in detail. For the vast majority of O-shaped legs, the formation of O-shaped legs is due to the acquired walking, movement, standing, sitting, etc., which makes the knee joint deformed, and the femur and tibia form abnormal angles. The reason for this is not in the bones, but in the soft tissues of the joints.

For example, if a person walks on a figure-of-eight foot, when walking, the leg has the force to the side, which is equivalent to pushing the knee outward. This force will pull the collateral ligament that fixes the thigh bone and calf bone on the outside of the knee joint, and over time, this ligament will relax, and the force of pulling the upper and lower leg bones will be reduced, and the medial ligament will pull the calf to rotate inward, forming an O-shaped leg.

Some scholars have also studied that O-shaped legs are a correctable inheritance. But this kind of inheritance, what is passed on to the next generation is only physique. Just like parents with myopia, children are more likely to be nearsighted if they don't use their eyes properly.

But the factor that determines whether myopia is or not is eye habits. People with certain genes may be more likely to develop O-legs due to bad habits, but not necessarily O-legs – as long as you don't have bad habits.

In addition, an important reason that seems to be related to genetics is lifestyle habits. Children can easily learn the posture of their parents, and if their parents are likely to form O-shaped legs, then children will often learn to do the same, and the result will end up being O-shaped legs. So, heredity still plays a role through everyday habits.

If you are really worried, then after the baby is born, you should check the trace elements in time to see if the baby is deficient in calcium. In the early stage of children's growth and development, it is necessary to add more phosphorus and calcium foods to his complementary food. At the same time, be careful not to let the baby learn to walk too early.

From the above summary, we know that O-shaped legs are not hereditary, and the formation of hereditary O-shaped legs has little impact, let alone the correction of O-shaped legs.

Finally, whether a child will have S-shaped legs or O-shaped legs depends on the genes of the expectant mother. In the first two years of the child's birth, parents must develop good living habits, and do not find out the abnormal posture in front of the child too much, so as not to be imitated by the child.

O-shaped legs can be caused by many factors such as malnutrition, acquired damage, and genetics, which are not predominant, and can now be corrected surgically or non-surgically, so the pressure is not too great.

There are genetic factors. In general, the causes of O-shaped legs include:

1. Generally, it can be seen from a small child that when a child is born, every child is an O-shaped leg, you can pay attention to it, within 1 year old, it is basically an O-shaped leg, especially a child who is often carried by the mother, it is easier to be O-shaped legs. Lapses are easy to cause the child's leg to be O-shaped, that is, knee varus is the medical term for O-shaped legs. From 1 year old to about 3-4 years old, the average child begins to develop X-shaped legs, that is, knee valgus.

The O-shaped leg slowly resolves on its own. By the age of 7-8, slowly return to relatively normal, the legs are relatively straight, and the knee is about 5 ° at most, which is normal, called physiological O-shaped legs, which do not need to be relieved by any means, or can be corrected by some non-surgical simple **;

2. For children with O-shaped legs, it is often because they do not follow the general rules, such as some children stand on the walker too early, or stand for too long. When the baby is not mature, the bones are very fragile, the calcium formation is very soft, and the entire soft tissue and bone tissue are very easy to deform. Let the child stand in the walker early, too long or too early, it is easy to cause O-shaped legs;

3. Rickets is a pathological state, due to poor calcium deposition, poor calcium absorption, rarely let the sun when I was a child, mothers, fathers or caregivers are very busy, put children at home all day long, the time of basking in the sun is too short, it is easy to have poor calcium absorption and other pathological conditions, resulting in O-shaped legs;

4. Many rugby players are O-shaped legs, because rugby is a sport with strong resistance, and it is a power sport that pushes each other.

O-shaped legs are mainly due to genetic factors, and there are also factors that form later.

The most common causes of the formation of O-shaped legs can be divided into three categories: 1. Developmental factors Lack of nutrients such as calcium and phosphorus, bone development disorders, bone deformation or articular chondrodysplasia due to malnutrition or intestinal diseases during physical development; 2. Imbalance factors Due to long-term poor posture or incorrect exertion habits, the imbalance of muscle mechanics innervating the joints can lead to the displacement of the joints and the formation of knee varus. This kind of joint displacement is completely different from the familiar joint dislocation, the joint dislocation is manifested as the relative displacement of the corresponding two joint surfaces and the loss of normal correspondence, the joint displacement is mainly manifested as the rotation of the joint and the abnormality of the joint space, in the knee joint is manifested as the rotation of the patella medial when the feet are standing parallel to each other, which is caused by the overall rotation of the knee joint, not the patellar subluxation, as long as the joint is corrected, the patella will return to the front, and the medial and lateral gaps of the knee joint are not equal in width on the X-ray posterior radiograph, medial space markedly narrowed; 3. O-shaped legs caused by trauma or other diseases.

The causes of O-shaped legs are varied. One of the main reasons is that the angle between the hip joint and the thigh bones is not enough, so the knee cannot be completely together. In addition, O-shaped legs can also be caused by ischemia or hypoxia of the femoral head, malnutrition, etc.

According to medical research, O-shaped legs not only affect aesthetics, but also affect physical health, such as causing joint pain in the soles of the feet, knees and other parts, and increasing the risk of joint damage.

For the O-shaped legs caused by different reasons, different methods can be taken. Under the condition of ensuring adequate nutrition and exercise, choosing the right insole or wearing a compensator can effectively improve the O-shaped leg. In addition, posture training, yoga, etc. can also help improve O-shaped legs.

Extended reading: In order to prevent O-shaped legs, it is necessary to pay attention to the balance of nutrition and calcium deficiency in the drinking section during puberty. You can also exercise your hip muscles and maintain good posture, such as walking or swimming regularly.

In addition, correcting bad habits in a timely manner, such as running long distances or sitting with legs crossed all the time, can also help prevent O-shaped legs.

If the O-leg is due to genetics, and since this genetic disorder is dominant on the X chromosome, then if you are a boy and you are inheriting the O-leg gene on your mother's X chromosome, there are two possibilities:

1. If a boy is born, and the boy's mother does not have O-shaped legs, the child will not have O-shaped legs. Because the child inherits that your sex chromosome is the Y chromosome.

2. If a girl is born, then the genes inherited from the O-leg are 100%. Because your child must have a sex chromosome (X) that is inherited from you, and your X chromosome carries the gene for O-legs.

If you are a girl, there are two possibilities depending on whether both of your sex chromosomes (xx) carry the O-leg gene

1. If both of your sex chromosomes XX carry the O-leg gene, then whether you give birth to a boy or a girl, you will definitely inherit the O-leg gene.

2. If you have two sex chromosomes XX, and only one of them has the O-leg gene, then the probability of inheriting the O-leg is 50% regardless of whether you give birth to a boy or a girl, because no matter whether you are a boy or a girl, there is an X chromosome from you, so you have to see if it is the one with the O-leg gene.