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NonNeutral Vertebral Mechanics

Quick Quiz 4
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As you examine your patient, you find that during flexion of L1 on L2, the posterior process stays centered on the midline. However, during extension the posterior process of L1 shifts to the right of the midline. Your conclusion is that the left facet of L1 is:
Stuck open.
Stuck closed.
Normal.


The positional diagnosis that you would make for L1 is?
ERS-Left
ERS-Right
FRS-Left
FRS-Right


As you examine your patient, you find that during flexion of L1 on L2, the posterior process stays centered on the midline. However, during extension the posterior process shifts to the left of the midline. Your conclusion is that the left facet is:
Stuck open.
Stuck closed.
Normal.


The positional diagnosis that you would make for L1 is?
ERS-Left
ERS-Right
FRS-Left
FRS-Right


As you examine your patient, you find that during extension of L1 on L2, the posterior process stays centered on the midline. However, during flexion the posterior process shifts to the right of the midline. Your conclusion is that the left facet is:
Stuck open.
Stuck closed.
Normal.


The positional diagnosis that you would make for L1 is?
ERS-Left
ERS-Right
FRS-Left
FRS-Right


As you examine your patient, you find that during extension of L1 on L2, the posterior process stays centered on the midline. However, during vertebral flexion the posterior process shifts to the left of the midline. Your conclusion is that the left facet is:
Stuck open.
Stuck closed.
Normal.


The positional diagnosis that you would make for L1 is?
ERS-Left
ERS-Right
FRS-Left
FRS-Right