very truth,
there are more >gifted< than you individuals ,
out somewhere ,
no matter how much work you`re puttin` inn , there is someone better, always...
speakin` about one exercise which fits all - it should be quite complex move with different expressions along its way.
It should cover :
up and down, sides, circling /spiraling, tensing and relaxing, collecting and withdrawing.. . etc
so
I suppose "one" doesn`t exist
we have to consider it more as a >set<.
It can be as minimal as 2-5 exercises
and
we ending with the FORM