When in life does the lumbar curvature of the vertebral column appear?
A) at the time of birth
B) in the 2-month embryo
C) in the toddler (about 1 year old)
D) in old age

Name: When in life does the lumbar curvature of the vertebral column appear? A) at the time of birth B) in the 2-month embryo C) in the toddler (about 1 year old) D) in old age
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Question

Quizplus · Accepted Answer

The lumbar curvature develops when a toddler begins to stand and walk, around 1 year old, as it helps to balance the body in an upright position.

When in Life Does the Lumbar Curvature of the Vertebral