[MizunoJoe]

Originally Posted by MizunoJoe

Yoda, My question had nothing to do with Hinge Action. Just your #4 in and of itself, and as it relates to the term "Swivel". Your #4 describes the Turning and Rolling Wrist Actions defined in 4-C-2 and 4-C-3. However, you say that this action is "Swivel Action". Your definition of "Swivel Action" is the same as Homer's definition of Turning and Rolling. [Bold by Yoda.]

And the problem is....?

No problem if that's what you are saying. But it seems to me that the Swivel is a Swivel whether you purposely do it, or it gets done by the orbiting of the tension free arms. It's still a Turning and Rolling, whether a deliberate action or a result of another action.