Spondylolysis is a common condition characterized by a defect in the pars interarticularis of the ... involve repetitive hyperextension of the lumbar spine, such as gymnastics, weightlifting ...

Isthmic spondylolisthesis, or spondylolisthesis due to a lesion of the pars interarticularis, is a common source of pain and disability in both the pediatric and adult population. This review ...

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: ...