First Study Instructions:
Launch study.
Click on the third rectangle to view the stills.
(Left and right sides function as scrolls.)
Click on the first rectangle to compare motion.
Click on the second rectangle to view the corresponding pattern.
Click on the rectangles to turn images off and on.
Click on the arrows to move forward and backward.
Different patterns appear throughout.
The fifth pattern compares a walk to a trot.
At this point, a fourth rectangle is available.