The secondary curves of the vertebral column are the
A)cervical and lumbar curvatures.
B)cervical and thoracic curvatures.
C)thoracic and sacral curvatures.
D)lumbar and sacral curvatures.

Question

Quizplus · Accepted Answer

The secondary curves of the vertebral column are the cervical and lumbar curvatures. The cervical curve appears at around 3-4 months of age when a baby starts to hold its head up and the lumbar curve develops as a child begins to walk. These curves help to balance the weight of the body over the legs and provide shock absorption. The primary curves of the vertebral column are the thoracic and sacral curvatures which are present at birth.

The Secondary Curves of the Vertebral Column Are the