> > When I started tennis, way back when, we were
> > taught the arm swings as a single unit , 'the
> > door hinge' - no  wrist or elbow action.

> > Later, watching the pros, it was obvious they
> > do use the wrist, especially on the forehand.
> > I tried that too, and it really helped, producing
> > extra pop - not so much the forehand, but
> > definitely the backhand (I hit the one hand
> > style).  

> > Anyhow, now I wonder about the elbow
> > joint... is that supposed to contribute, like
> > the wrist?  i.e. do you turn that at impact,
> > independently of other mechanical action?
> > Watching the pros on tv, I can't tell.  I'm
> > considering the backhand more than the
> > forehand.

> > And if so, do you rotate it consciously
> > or unconsciously?

> not on the backhand though. movement of the elbow joint
> at impact on backhand (single handed) is the primary
> cause of tennis elbow.