Which one of the following defines a spondylolytic spondylolisthesis?
A) elongates pars interarticularis
B) fracture of the pars inter articularis
C) instability of the lumbar facet joints
D) fracture of the pedicle
Answer: B
Which one of the following defines a spondylolytic spondylolisthesis?
A) elongates pars interarticularis
B) fracture of the pars inter articularis
C) instability of the lumbar facet joints
D) fracture of the pedicle
Answer: B