Conclusions—Isthmic spondylolysis is considered to represent a fatigue fracture of the pars interarticularis of the neural arch. There is a relatively high incidence of radiographically identified ...

Sites of increased scintigraphic uptake in the posterior elements of the lumbar spine and complete or incomplete fracture in the pars interarticularis were compared for these two sports. Results: ...

Now, I only gotta do PT to keep it right.” A pars defect is a fracture on the wings of your vertebrae in the lumbar spine. It ...