A panty corselet without buckle structures including a corset portion and a pants portion is disclosed. According to one method, an initial medial representation object model of an object comprising an anatomical structure is created based on image data of at least a first instance of the object. The methods and apparatus contemplate the use of multiple fluid chambers according to some embodiments in order to remove temperature dependence from stress or strain measurements. Also disclosed are apparatus to implement the method. When in the ODT test operation mode, the output unit outputs the determination data on the resistance value of the ODT device stored in the storage unit to the pad.