Why does my four-month-old baby's thumb turn inward?

After having a baby in the family, the baby's every move will concern the whole family, especially when you find that the baby is different from other children, you will be very worried about whether the baby has defects. For example, when the baby is about four months old, he can basically do some simple movements, but he cannot open his hands and his thumbs are always curled inward. What is going on?

main reason

Infant thumb inward-turning means that the thumb muscles have poor elasticity when the hand is stretched outward, causing the thumb to move toward the palm. Its main manifestation is that the fingers are clenched into a fist, the thumb is flexed and adducted, and the other four fingers are outside or inside the thumb. Many people get nervous when they see their baby's thumbs curled inward, worrying that the baby has cerebral palsy. In fact, the baby has been clenching his fists while in the mother's womb, so he will often clench his fists in the first month after birth. This is a normal physiological phenomenon.

As time goes by, the duration and degree of a baby's thumb inward retraction will gradually decrease. Therefore, if the baby continues to clench his fist for more than two months, it should be taken seriously. In addition, the baby may still have a hand grasping reflex within four months after birth, so it is normal for the baby to occasionally curl the thumb inward during this period. However, if the baby continues to clench the fist and curl the thumb inward, or the inward curling does not decrease or improve within 4-6 months, then you must be vigilant and take the baby to see a doctor as soon as possible.

The inward-turning thumb of infants will not only affect the development of fine functions such as grasping, gripping and pinching in the future, but will also affect the progress of training programs such as hand support, posture change, crawling, etc. in rehabilitation training, and affect motor development. Moms, pay attention!

Thumb selection for treatment of finger adduction requires timely treatment and the treatment method is very important

In daily life, parents should pay attention to their children's symptoms. If the child's thumb adduction persists for a long time, they need to take the child to a regular hospital for treatment in time to avoid affecting the child's normal life in the future.