Spondylolysis: Causes, Treatment & Prevention - Cleveland Clinic
What causes spondylolysis? Damage to part of your vertebrae called the pars interarticularis causes spondylolysis. The pars interarticularis are thin pieces of bone that link your vertebrae directly above …
Spondylolysis | Radiology Reference Article | Radiopaedia.org
Dec 31, 2025 · Spondylolysis, commonly known as pars interarticularis defect or pars defect, is a defect in the pars interarticularis, the portion of the vertebral arch that connects the superior and inferior …
What is Spondylolysis/Pars Defect? Causes, Symtoms, Diagnosis
Spondylolysis/Pars Defect A pars defect or spondylolysis is a stress fracture of the bones of the lower spine. These fractures typically occur due to overuse. They can be on one or both sides of the …
Spondylolysis - Wikipedia
Spondylolysis is a bony defect or fracture within the pars interarticularis of the vertebral arch in the spinal column. The vast majority of spondylolysis occur in the lumbar vertebrae, however it can also be …
Spondylolysis and Spondylolisthesis - OrthoInfo - AAOS
In spondylolysis, a crack or stress fracture develops through the pars interarticularis (pars fracture). The pars interarticularis is a small, thin portion of the vertebra that connects the upper and lower facet joints.
Spondylolysis (Pars Stress Fracture of the Spine)
Sep 6, 2022 · What is spondylolysis? Spondylolysis is a spinal defect or fracture of a bone structure called the pars interarticularis, which connects the facet joints of the spine. The condition is …
Spondylolysis - Physiopedia
Spondylolysis is a unilateral or bilateral bony defect in the pars interarticularis or isthmus of the vertebra. It most commonly affects the lumbar vertebrae, but has also been reported in the cervical and …
Spondylolysis - Johns Hopkins Medicine
Spondylolysis is a stress fracture through the pars interarticularis of lumbar vertebrae. This injury does not always show a symptom, but when it does, the only symptom is usually back pain.
Spondylolysis (Pars Defect) - Och Spine at NewYork-Presbyterian
Spondylolysis is also called "pars defect" because the pars interarticularis is the part that is fractured. It most often occurs in the lower back (lumbar spondylolysis) but can also affect the neck's bones …
Spondylolysis & Spondylolisthesis - OrthoKids
Spondylolysis (spon-dee-loh-lie-sis) refers to a fracture, break or defect in one of the bones, called a vertebra, in the lumbar spine (lower back). This is most commonly the fifth (but occasionally the …