Algorithm for routine management of mobility limitations in CKD Algorithm for routine management of mobility limitations in CKD. ADL, activity of daily living; IADL, instrumental activity of daily living; PA, physical activity; SPPB, Short Physical Performance Battery. Algorithm for routine management of mobility limitations in CKD. ADL, activity of daily living; IADL, instrumental activity of daily living; PA, physical activity; SPPB, Short Physical Performance Battery. Patricia Painter, and Robin L. Marcus CJASN 2013;8:861-872 ©2013 by American Society of Nephrology