Assertion: spondylolisthesis | /r/HasProperty | degenerative spondylolisthesis
Facets:
value: due to chronic inter-segmental instability
type: CAUSE
Source sentences:
text: Most spondylolisthesis can be described as either degenerative spondylolisthesis (due to chronic inter-segmental instability involving degenerative disc and facet joints) or isthmic spondylolisthesis (results from defects in the pars interarticularis) (see Figure 1 below).