Are southern boys 179cm short?

15- 16 During the rapid growth period, growth stopped at the age of 20-25, long bones and vertebrae of limbs ossified, and height stopped growing. There are many factors that affect height.

Such as heredity, nutrition, exercise, environment, living habits, race, endocrine, sexual maturity (menarche age 18 ratio 1 1 5 cm higher), distant marriage, medical progress and so on.

Changes in the development ratio of various parts of the body from fetal development to adult development. Generally speaking, under normal circumstances, a person's birth time is about 50 cm; 1 year-old is a 1 leap in height growth, which can grow to about 75 cm; 2 years old to about 85 cm; 3~7 years old, the annual increase of 6~ 15 cm.

When most people reach the age of 1 1~ 12, they will grow to 155~ 160 cm. During this period, the height difference of most people is not very big. However, with the advent of adolescence, height, like all organs, has experienced another leap.

Genetic factors, nutritional status, physical exercise and other conditions make obvious differences between people. During this period, the height of some people can be increased by 6~7 cm every year, or even by 10~ 13 cm.