What is the purpose of the secondary curves?
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Similarly, it is asked, what are secondary curves?
Secondary curvatures are those that develop after birth, with age (in childhood), as an effect of lifting the head, crawling, and walking.  They're called the cervical and pelvic lordoses. Excessive and pathological curvatures are called hyperkyphosis and hyperlordosis.
Furthermore, how do secondary curvatures develop? A secondary curve develops gradually after birth as the child learns to sit upright, stand, and walk. Secondary curves are concave posteriorly, opposite in direction to the original fetal curvature. The cervical curve of the neck region develops as the infant begins to hold their head upright when sitting.
Furthermore, what is the purpose of the vertebral curvatures?
It serves as a pillar to support the body's weight and to protect the spinal cord. There are three natural curves in the spine that give it an "S" shape when viewed from the side. These curves help the spine withstand great amounts of stress by providing a more even distribution of body weight.
At what age do the secondary curvatures typically become established?
Lumbar Curve The secondary curve of the lumbar region starts to form between the fifth and the thirteenth month of an infant's life. This curve, which is responsible for the arch of the lower back, is not fully developed until a child reaches 8 to 10 years old.