What is stage-1 spondylolisthesis?
Spondylolisthesis is a medical condition that occurs when a vertebra gets displaced. Some patients experience no symptoms or ill effects, and doctors manage stage-1 spondylolisthesis with conservative treatment such as physical therapy.ClassificationStage-1 spondylolisthesis, more properly called grade-1 spondylolisthesis, occurs when a vertebra is displaced by less than 25 percent of its width. Doctors categorize further displacement as higher grade and total displacement as a different condition.IncidenceThere has been only one reported case of spondylolisthesis at birth. It occurs in 2.6 percent of children ages six and 4 percent of adults, affecting more men than women and more whites than blacks.CausesSome spondylolisthesis occurs due to mild congenital defects, when joints are malformed at birth. Most cases result from compounded microfractures that improperly heal. Spondylolisthesis may also follow spinal deterioration due to age.SymptomsA grade-1 spondylolisthesis may show no s
