Lumbosacral joint

Question 1

Based on current literature what common ligaments are absent at the lumbosacral joint?

Answer 1

ligamentum nuchae, interspinous ligament and supraspinous ligament

Question 2

What ligaments replace the intertransverse ligament at the lumbosacral joint?

Answer 2

the iliolumbar ligament and lumbosacral ligament

Question 3

Which of the current ligaments from the iliolumbar ligament complex represents the iliolumbar ligament of classical descriptions?

Answer 3

the superior iliolumbar ligament

Question 4

Which ligament from the iliolumbar ligament complex will attach to the sacral ala?

Answer 4

the inferior iliolumbar ligament

Question 5

Which ligament from the iliolumbar ligament complex represents the lumbosacral ligament of classical descriptions?

Answer 5

the inferior iliolumbar ligament

Question 6

What are the attachment sites for the accessory iliolumbar ligament?

Answer 6

the transverse process of L4 and the iliac crest

Question 7

Which vertebral couple of the lumbar spine has the greatest range of motion?

Answer 7

L5/ S1

Question 8

Which range of motion is greatest for all lumbar vertebral couples?

Answer 8

flexion - extension

Question 9

Which range of motion is least for L1 - L5 vertebral couples?

Answer 9

one side axial rotation

Question 10

Which range on motion is least for the L5/S1 vertebral couple?

Answer 10

one side lateral bending