O-leg, also known as rotundity, is a deformity in which the inner ankles of the two feet touch each other but the knees cannot come together when the lower limbs are naturally straightened or standing.
If the infant has a history of vitamin D deficiency or rickets, the probability of O-leg is higher. If the infant lies flat on a hard bed, both lower limbs are straight together, the inner ankles on both sides are close together, and there is a gap between the knee joints, it can be directly judged as O-shaped legs. In addition, the angle between the baseline of the knee joint and the long axis of the femur and tibia can be used to illustrate the degree of inversion of the knee during the x-ray examination.
The causes of infant O-leg are as follows: 1, rickets: such as calcium, phosphorus, vitamin D deficiency caused by rickets; 2, early standing and walking: infant’s bone strength is weak, long time standing will lead to lower limb bone deformation; 3, bad habits: such as sitting cross-legged, not standing straight, etc.
Third, how to correct the infant O-leg Once found that the infant has O-leg, need to actively correct. The correction methods are as follows: 1, general treatment: If the deformity is mild, it can be corrected by leg pressing, leg kicking and leg clamping, etc. If necessary, it can be corrected by wearing braces; 2, surgical treatment: If the active knee distance is greater than 7 cm, it is necessary to correct O-leg deformity by surgical osteotomy.
Preventive measures for infant O-leg are as follows: 1. Regular trace element examination, according to the results, timely supplement the lack of trace elements; 2.