I love the Hendrix Pic. I can still remember listening to "Little Wing" in college.
The reason low point is not the left shoulder during the "shoulder" stroke is because the pivot point (area) is the Thorasic region of the spine. It has very little to do with the left shoulder. If, however, you are using an arm only stroke, Low point is in fact the left shoulder. In this way the bent right arm is driving the lever assemblies down plane to low point.
The animations show this well we feel. I hope this clears up your thoughts.
Also you can think of a pendellum. It will have no lean in the shaft at low point. Now all that matters is where that pendellum is rotating on the body.
Threaded Mode
