Assertion: spondylolisthesis | /r/HasProperty | manifested in teen years
Facets:
value: often
type: TEMPORAL
Source sentences:
text: With a documented spondylolysis incidence rate as high as 4.4 % at age six,1 with 28% of that number progressing to spondylolisthesis1, while 80% remained asymptomatic 2 spondylolisthesis is a serious concern, often manifested in the teen years when the rate of bone growth outstrips the rate of muscle growth.