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Table 1 Medical Spondylolysis/ Spondylolisthes categories assigned at recruiting offices, and updated throughout three years of army service. Each category was assigned based on the severity grading of Spondylolysis/Spondylolisthesis

From: Occupational influences on Spondylolysis and Spondylolisthesis in a cohort of 18-year-old male military conscripts

Medical Categories

Cat1

Cat2

Cat3

Cat4

Cat5

Cat6

Cat7

Spondylolysis (SL)

No pathology

SL: an asymptomatic radiological finding

SL with pain

    

Spondylolisthes (SLS)

  

Grade I asymptomatic SLS

SLS grade I with pain

SLS grade II or higher.

SLS with significant pain and activity limitations, but with a good prognosis.

SLS with significant neurological deficits and functional limitations.