A–Z Glossary

Body Proportions

Body proportions describe the relative size and shape of body regions, such as the head, trunk, arms, and legs, as children grow.

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Changes in Body Proportions During the First Year

Changes in Body Proportions During the First Year

The Newborn Starting Point At birth, the infant body is characteristically cephalized: the head is large in relation to the rest of the body, while the neck is short and the limbs are comparatively small. The trunk is relatively long, and the abdomen may appear rounded because of immature abdominal musculature, normal organ proportions, and […]