- Althoughlumbarlordoticandsacralslopeanglesdecreasedwithaginginthehealthysubjects,patientswithOAretainedthelumbarlordoticandsacralslopeanglesdespiteprogressionofOAwithage.Thereshould,ofcourse,beanormal,gentlehollowinginthelumbarregion(it'scalledthelo...
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