The technique of the normal punch is performed closing the fist and striking with it. The fist is formed in a horizontal line along with the arm, being the element of usage of all the force performed the arm. There is other kind of punch in which the fist is placed vertically (with the palm of the hand directing towards a side instead of towards down) and directing slightly towards down in relation to the arm, in form where the fingers that blow are only the index finger and the ring finger. It is this latter the punch used usually in Kung-fu and the advised to person who had not had a proper training (because in this form it is much more difficult injury the wrist in case of doing it badly).