Which ligament runs vertically along the posterior aspect of the vertebral bodies? -
✔✔Posterior Longitudinal Ligament (Begins to narrow at lumbar
... [Show More] region)
Why is the lumbar spine more susceptible to disc herniations? - ✔✔Narrowing of
Posterior Longitudinal Ligament
In the thoracic and lumbar regions, the nerve root exits where in relation to the
corresponding vertebrae? - ✔✔Below
Where does the spinal cord usually terminate? - ✔✔L1-L2
Due to the termination of the spinal cord, where do the lumbar nerve roots exit in
relation to the intervertebral disc? - ✔✔Above
A pelvic side shift usually indicates what? - ✔✔Iliopsoas dysfunction
A positive Thomas test indicates what? - ✔✔Iliopsoas dysfunction
What landmark is used to locate the L4-L5 intervertebral disc? - ✔✔Iliac Crest
What is the most common anomaly in the lumbar region? - ✔✔Zygopophyseal Facet
Trophism (predisposes to early degenerative changes)
What is it called when one or both transverse processes of L5 articulate with the
sacrum? - ✔✔Sacralization
What is it called when there is a failure of S1 to fuse with the other sacral segments? -
✔✔Lumbarization
A defect in the closure of the lamina of the vertebral segment is called: - ✔✔Spina Bifida
No herniation through the defect, course patch of hair over site, rare neurologic deficits:
- ✔✔Spina Bifida Occulta
Herniation of meninges through defect: - ✔✔Spina Bifida Meningocele
Herniation of meninges and nerve roots through defect, associated with neurological
deficits: - ✔✔Spina Bifida meningomyelocele
What is the major motion of the lumbar vertebrae? - ✔✔Flexion and ExtensionSidebending of L5 will induce what in the sacrum? - ✔✔Oblique Axis on the same side
Rotaion of L5 will induce what in the sacrum? - ✔✔Rotation to opposite side
What is another name for the lumbosacral angle? - ✔✔Ferguson's Angle
What is the intersection of a horizontal line and the line of inclination of the sacrum
called? - ✔✔Lumbosacral Angle (Ferguson's Angle) [Show Less]