Zhou (elbow) and Kao (shoulder) can be seen as techniques. But their deeper meaning is one of mechanical principle. Zhou displaces the opponent’s centripetal tensile geodesic, while kao is a defence against the opponent doing the same. 46 minute video
Raise hands and pull down (“Pluck”). This lesson begins section 5 of the foundation routine. “Cai” or “pluck” draws the opponent’s force away from their centre of rotation. It has the effect of uprooting the opponent and pulling them off balance, while at the same time improving your balance and increasing mechanical efficiency. Video lesson . . . read more
45-minute video