Posted by: Teacherman () on Sat May 29 06:27:38 2004

"Trigger" is often used to define the start of loading for the swing and the most common
> trigger desribed is the inward turn of the front knee.
>
> Lau Jr,for example, goes in to detail about various ways to trigger and comes to the
> conclusion that there are actually 2 triggers,one upper body( a "new" trigger he has
> "discovered") and one lower body (front knee).He seems to think of the trigger as what
> breaks the inertia/starts the swing action/separates the beginning of the swing from the
> prior more general "rhythmic preswing activity".
>
> I think both of these observations fit into the generic/universal phases of the swing which
> include 1-synchronized internal rotation of the lead leg and back arm (lead knee turns in/
> bat cocks vertically somewhat) as the hip cocks (pinch at waist/elevation of front of pelvis)
> followed by 2-cocking of the hands (best describes as scapload/pinching/horizontal
> adduction of the back scap) as bat cocks/sweeps around toward then past pitcher.

I don't believe a swing from the center can start with a knee or hand trigger. They load, but they don't trigger