[strav]

Hinge Action refers to the Flat Left Wrist producing that Motion by remaining Vertical to one of the three Basic Planes, i.e., Horizontal, Vertical or Angled.

Can someone draw me a picture of the statement above? The part that I am confused about is when it says vertical to the plane.Is there a different meaning to vertical than up and down?

Jerry, I too would appreciate the picture you requested but for some unknown reason there is a reluctance to depict something regarded as so critical. Plenty of words but still no pictures.