Transition Zones Flashcards
1
Q
What is the incidence of lumbar ribs in the population?
A
over 7% of the population demonstrates lumbar ribs
2
Q
What is the characteristic of lumbarization of S1?
A
the failure of synostosis between S1 and S2, squaring of the vertebral body of S1 and flaring of the sacral ala
3
Q
What is the incidence of sacralization of L5 in the population?
A
41% to 85%
4
Q
Which segment demonstrates the greatest morphological variation along the spine?
A
L5
5
Q
What is the incidence of variation within the sacrococcygeal region in the population?
A
up to 14%
