RehabilitationGuidelinesforAcute(early/progressive)Spondylolysis/SpondylolisthesisUnderstandingtheInjuryThelumbarspineconsistsoffivestackedbones(vertebra).Spondyloysis(spon-dee-low-lisis)isdefinedasastressfractureoftheparsandcanoccurontheleft,rightorbothsidesofthebone(bilateral).ThevastmajorityoftheseinjuriesareattheL5bone,withtheL4levelbeingthesecondmostlikelytobeaffected.Spondylolysisoccursin...