[6bmike]

So how does a swinger activate PP #4 in basic motion?

Of course it won't accelerate the beginning of the down sroke as in a full stroke but any left arm motion is acc#4 in Basic Motion.

A student should be able to do basic Motion as a Hitter and a Swinger and do all Hinge Rhythms.

Acquired Motion begins the addition of a weight shift, Acc#2 with the wrist cock and wrist roll into follow through.

At first, it is far more important to learn motion and geometry from Basic Motion than how to activate power accumulators.