3 year old baby of normal development

3, is the most important child care during the period. Children aged 3 to bounce all day long, lively, smart, fluent speech. Mental and emotional development is very alarming. At the age of 3 children who also have an independent desire and pestering my mother spoiled a strong dependency.
During this period, is also to develop during the various habits of yourself. Should also be a health check for the early physical and mental illness found and treated early. At the same time to the doctor or to enter the station\'s \"parent forum\" questions to ask how the children in the future, and so on.

Length and weight

--As shown in table 1 year growth only 2 kg in weight, which grew by about 7 cm in length, hands and feet became elongated, built as a whole seems to be more slender. Although some children is high, it is short, fat, and some pretty thin. But as long as the child\'s development of a good, healthy, no worries.

Muscles strong

Age of--3 movement, muscles strong, feels very flexible. Newborn and 1 arm muscle feels always pale. Now is quite different. Movement of those violent child, muscles stronger.

Spine bend up

--Baby times the spine is straight. When children can stand will go, began slightly bent, to about the age of 3, bend fairly obvious.
This bending is composed of four parts. Cervical spine was bent (the first song), the thoracic part of the Processus backwards (bent after), and the lumbar section below raised bent forward slightly, the bottom part is the sacral bone, its bending backwards. Spine formation of this song before bending to get vigorous exercise and protection of the internal organs and play a role of the spring. For example when you jump from height, has been hit by the foot will be absorbed by spring-like spine and not spread to the brain.

Arch obviously concave

--Before that, children of the arch is not obvious, called end of physiologic flat foot. This is because of too much fat under the skin. After the age of 3, the connecting small bone by ligaments and muscles, developed later, Arch obviously concave up, feet when you walk for a long time will not feel tired and aching.