Stephen Hough (concert pianist) on use of wrists & hand position

Stephen Hough (concert pianist) on use of wrists & hand position, when playing Chopin Etudes

http://www.stephenhough.com/writings/selective/chopin.php

... One could say, literally, that it becomes 'more than a handful'*. No longer are the fingers alone sufficient to execute this passage; the wrist and arm have to be used, and thus Chopin 'elbows' his way to a new panorama of pianism. The examples in the etudes are as numerous as they are astoundingly innovative, each piece seems to open a new chapter in an adventure of discovery, and never is a pattern repeated, such is the fertility of his invention. The 'black-key' etude (no.5) forces the player to adopt a new hand-position on the keyboard. The cramped, curled fingers favoured by an earlier generation of pianists, is not possible for extended passages on the narrow black keys; one has to develop a more fluid, flatter finger position. ...

'more than a handful'*---指不限于只用手。