Motions and practice methods for arpeggios

[mosis]

Bernhard has put a great deal of time and effort into describing scales scales scales, everything from the individual motions, to their purpose, to a routine for learning them. However, the much more challenging technique of arpeggios hasn't ever been covered.

So then, what are the most efficient individual and combined motions, and practice routines, for learning blazing arps up and down they keyboard?

[anda]

thumb under and thumb over 

[anda]

and the wrist has the most important job

[thierry13]

What is thumb over technique?

[Nana_Ama]

thumb under and thumb over ...and the wrist has the most important job

But how do make the notes all sound connected without break between every three notes?

[mound]

what anda said - let the writst guide your fingers, especially when doing 7th arpeggios.