Spondylolysis Spondylolysis is a technical term for a stress fracture through the posterior aspect of the pars interarticularis of one or more vertebrae in the lumbar spine.

Spondylolisthesis refers to the forward slippage of one vertebrae on the one below it in the lumbar spine.It often occurs alongside spondylolisis and is most commonly seen among girls.Treatment for this condition consists of relative rest, physiotherapy, cross training as well as possible bracing for support.

And the pain that results from spondylolysis initially begins as a dull ache while doing the activity and then begins to progress to occurring with activities of daily living. And then can even bother a dancer during her sleep.