Mar 31, - In her new book, Curvy Girl Sex, body acceptance activist Elle Chase from LA reveals the best sex positions for plus-sized women. The giver sits up on the bed, with his back against the wall or headboard and legs straight. Jul 18, - There are all sorts of different sex positions you can try in bed but So to pull it off, have your girl lie down flat on her back with her legs spread apart. .. It doesn't matter what position you use how big or small you are or.