Final answer:
Scoliosis, kyphosis, and lordosis are all abnormal curvatures of the vertebral spine.
Step-by-step explanation:
Scoliosis, kyphosis, and lordosis are all related to the vertebral spine. Scoliosis is an abnormal lateral bending of the vertebral column, while kyphosis is an excessive curvature of the upper thoracic vertebral column, and lordosis is an excessive curvature in the lumbar region of the vertebral column.