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The karate-like stance , Hangetsu Dachi , with feet close to the centreline of the board , gives you a wide stance end to end for longitudinal stability , without the width side to side that can throw you off balance .
Bending the knees , especially the back knee , is critical for balance and absorbing board movement . Notice that while my waist bends naturally , my upper body remains as upright as possible . Also note my front foot toes cross the centreline of the board ( and my back foot heel crosses the centreline as well ).