Abstract: A support device for enabling paralytics to stand erect, including a flexible housing member having a back portion adapted to be fitted to the back of a paralytic and extending into two leg portions adapted to be fitted to the rear of the legs of a paralytic, an expansible bladder having at least two inflatable chambers is received within the housing, the chambers are joined together at edges thereof to define the back portion and separating into two leg portions, a first strap affixed to the back portion of the housing at the side thereof engaging a paralytiac, one or more other straps are affixed to each of the leg portions of the housing member at the side engaging a paralytic, the first strap is arranged to pass over the chest of a paralytic and secure the back portion to the paralytic, the other strap or straps are arranged to pass around the legs of a paralytic and secure the leg portions to the paralytic.