Disclosed is an ultrasonic diagnostic apparatus provided with a measurement position setting unit configured to set a region of interest in the cardiac muscle in the ultrasonic image displayed on the display unit, a tracking calculation unit configured to track the movement of the cardiac muscle at a plurality of measurement points in the region of interest, and a physical quantity calculating unit configured to calculate a specific physical quantity on the basis of the results of the tracking. The calculated specific physical quantity is displayed on the display unit. The tracking calculation unit tracks the measurement points using a plurality of first segmenting lines along the epicardium and the endocardium of the cardiac muscle and a plurality of second segmenting lines that are orthogonal to the second segmenting lines.
