Selected flap coverage options for pressure-induced injury to the sacrum

Selected flap coverage options for pressure-induced injury of the sacrum.
(A) Unilateral or bilateral V-to-Y advancement flap.
(B) Rotation fasciocutaneous flap.
(C) Transposition flap.
(D) Rotation gluteus maximus myocutaneous flap.
(E) Limberg Flap.
(F) Perforator propeller flap from the inferior gluteal artery.