Fig. 1From: Risk factors for pressure ulcers from the use of a pelvic positioner in hip surgery: a retrospective observational cohort study in 229 patientsPelvic positioner (a) left, posterior support over the sacrum; (b) middle, anterior single support over the pubic symphysis (pubic support type); and (c) right, anterior double supports over the bilateral anterior superior iliac spine (ASIS type)Back to article page