The present disclosure relates to an ultrasound apparatus, comprising: a touch screen for display of at least an interest area of an ultrasound image； a user input configured to receive a touch input from a user with respect to the ultrasound image； and a controller, which is configured to execute a method, comprising steps providing, on the ultrasound image, at least a first moveable object having a first area, which defines an extended touch recognition range with respect to the first moveable object； receiving a touch-and-drag input from a user, by recognizing that the first object is touched when the user touches the touch screen in the touch recognition range of the first area； and displacing the first movable object in correspondence with the received touch-and-drag input with respect to the ultrasound image. Line shaped, elliptical and other measurements are rendered possible with a good view on the object, even when displacing the moveable object.
