Stand up straight with a four square grid on the floor in front of you.
Start in the back left square of the grid.
Jump forwards over the line in front of you landing lightly on your feet as you regain your balance.
Next, hop sideways over the line to your right and regain your balance.
Next, hop backwards of the line behind you regaining your balance.
Finally, hop sideways over the line to your left and regain your balance.
Repeat