How do you pivot, when going from horse to bow? Some do it on the balls of their feet, some pivot on their heels, some a bit of both on the young chun. I originally started on the heel, but now, I pivot on the ball of the foot (Young Chun)and then plant my heel into the ground. This sends a vibration up the leg, through body and out the arms. "Power comes originates from the earth, up through the legs, is governed by the waist, and expressed through the hands." If your sacrum is tucked, chest hollowed, and back leg not locked, you will feel the amount of force that can be generated.
So, how do you guys do it?