10 years ago by
A Pianist
That's what it LOOKS like, but look again, carefully. When I introduce the arch I tend to make it nice and high, so it's OBVIOUS... But if you lay your hand totally flat on a table and just raise your 2nd metacarpal phalangeal joint 2 or 3 millimeters, that arch is already functional. The muscular intention within is to , not collapse it - even though it doesn't stand high. The important thing is, it WANTS to stand high.
Horowitz's hand is like that, for sure. He never empties out his arch. Even when he flattens completely and splays his fingers into a big fortissimo chord, his lumbricals are working to keep the arch from falling, therefore it is still potent.
However, you asked a great question - thanks for adding it to the forum, it provided an opportunity for some important points of clarification.
AFF