A very simple game which improves: hand eye coordination, anticipation timing, peripheral awareness, visual reaction time, depth perception, focusing and tracking, and speed and span of recognition. And guess what....there's instant feedback. Oops, dropped the ball!

As well as developing several aspects of sports vision, the foot movement is most important. The weight of the body over the feet are always placed to exert maximum balance and force.

Yang style four corners training

No the footwork is not the same as Four Corners but the response to bounce-back from the corners requires some fluidity that starts with the feet and moves upward. Note the awkward left hand tosses that intermittently occur. To improve this exercise, you can put targets up in the corners. Hey, theoretically, if you can repetitively hit the targets, you might not have to move from your centre circle throwing location, and you will be able to entertain the precise foot work required in yang tai chi's four corners.