Spondylolisis and Spondylolisthesis
Spondylolisis (or occasionally spelled as Spondylolysis) is a defect of the spinal vertebrea at the area where two vertebrae meet, usually a stress fracture. It most commonly occurs in the lumbar spine area, in particular the 5th lumbar vertebrae (and some less often the 4th vertebrae).
Spondylolisthesis is a severe form of spondylolysis, where the stressed portion of the vertebrae separates; causing the vertebrae to ‘slip’ forward
Lower back pain which is worsened with activity, especially overarching (hyper-extension) of the spine.
Spondylolisis most often develops in young teenagers who are active in sports. Often, they may not exhibit signs of pains or is mild and easily overlooked. An X-ray is usually taken to confirm this diagnosis.
This spondylolisis article expands on this condition further
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