10-18-C #3 states "hold the wrist "vertical" throughout for a true single action "top" position. Could 10-19-A be used as an illustrative photo? Also, is 10-3-A in the downstroke comparable. The wrist/hand positions in 10-3-A appear more vertical to the plane as compared to parallel in 10-3-B. If not, please expand on the meaning of #3.
Linear Mode
