Medicine Ball woodchop

Anyone know what this exercise works, and what are some good ways to work the abs good with a medicine ball?

A rummage through old threads using the ‘search’ function would have revealed the following link:

http://138.9.1.58/athleticperformance/exercise%20videos/Ab%20exercise%20videos/medicine_ball_exercises.htm

That video sucks…so many errors!!! Looks like I should make a video.