The strength of the neural arch and the etiology of spondylolysis.
D000367:Age Factors; D001696:Biomechanical Phenomena; D002102:Cadaver; D006801:Humans; D008159:Lumbar Vertebrae / Q000502:physiology*; D008433:Mathematics; D008722:Methods; D008954:Models, Biological; D009038:Motion; D011312:Pressure; D013168:Spondylolisthesis / Q000209:etiology*; D013169:Spondylolysis / Q000209:etiology*; D013314:Stress, Mechanical