X-leg is referred to as knee valgus, which is explained in orthopedics as a condition in which both knees touch together when the feet are standing side by side, and the inner ankles of the two feet cannot come together. There are several main causes of X-leg, one is pediatric rickets, another is congenital heredity, and a small part is due to cartilage development disorder, trauma, fracture and other sequelae, and there is also one is caused by poor exercise habits in daily life. This kind of leg deformity not only affects the beauty, but also has a greater impact on human health.
X-leg is not a simple structural abnormality, he may be primary or secondary. That is, you may have X-leg due to the foot, X-leg due to the pelvis, or X-leg due to the tibia.
Possible causes of X-leg: 1. pronation and high arches; 2. excessive anterior pelvic tilt; 3. external rotation, weakness and weakness of the adductor muscles and excessive tightness (also possible weakness) of the adductor muscles; 4. weakness of the muscles that stabilize the knee in neutral position; 5. knee hyperextension.
Problems that may result from X-leg: Knee valgus or inversion both disrupt the normal force distribution of the knee joint, increasing the stress on one side of the joint and relatively decreasing the opposite side, while increasing friction between the patella and femur due to changes in the force line of the lower extremity. Over time, this can cause pain when walking on the knee joint, and the movement of the joint is also affected, which can easily lead to osteoarthritis of the knee and plantar fasciitis. In addition, the medial ligaments are prone to acute injury during exercise (landing, stopping).
X-leg prevalence: women are more common than men; women’s pelvis is relatively wider than men’s due to the need for production, and the anterior tilt angle is generally 5-8 degrees larger than men’s. The excessive anterior tilt of the femur reduces the force arm of the internal rotation muscle group compared to the external rotation muscle group, and the internal rotation angle of the femur becomes larger, so it is relatively easy to produce X-leg.
X-leg correction methods: including: surgery, splinting, leg binding, exercise, corrective insoles, appliances, etc. For children with rickets, they must receive regular and systematic treatment for rickets; at the same time, pay attention to children not learning to walk too early. Surgery is indicated for patients with bony deformities. Through surgical osteotomy + internal fixation orthopedics, normal limb force line and appearance can be restored immediately.