Model Emoly demonstrates Standing Seat Work, a Barre3 posture. Come forearms distance from the barre (or waist high surface), soften your knees and hinge forward at the waist bringing your hands wide. Bend your leg and externally rotate your knee until you feel your outer seat catch keeping both hips facing forward. Targets the outer seat.
Photo by Chris Landsberger. CHRIS LANDSBERGER