increased forward momentum may help. - i have a few students who tell me they can't play in the black keys because their fingers don't fit and this almost always solves the issue. I'm sure that there are situations where its not appropriate though, or where a pianists fingers are simply too thick for it to change anything.
Are the Taubman videos available on the forum?
I see. I have seen one or two of the videos, but they were old ones - and hard for me to really see the hand movements well. Do you know if they have updated them?
I have had a few students in all my years of teaching who have fingers so thick that they find it impossible to play certain chords. Good pianists hands are not only large enough to cover a good 1/3 of the piano, but also are thin enough to be able to play more inside the piano inbetween the black notes. Today one of my students needed to play C# octaves with a G in between and he physically cannot play the G because his fingers cannot fit inbetween the F# and G#. He can curl (extreme contortion more like it) his finger so it works but it is totally unacceptable because of the strain it causes him (an as a teacher I can notice that no amount of practice in that formation would be healthy or even has the chance to improve!).
Yes thick fingers are the worst. Do you get them stuck in between the black keys? SadThis will seem crazy, but it is true. How overweight are you? If loose a lot of weight, your fingers will also get thinner (unfortunately it is not possible to loose weight locally, so you have to loose weight in general, which means aerobic and anaerobic exercise and food intake control). Have you ever seen people who have been married for a long a time and they cannot get the wedding ring of their fingers anymore? It is the reverse process. As they grew old, they grew fat, and the fingers thickened. If they loose weight to the point of reaching the weight they had when they first got married, they usually can get the rings off again. Because there are no muscles in the fingers (just tendons), if your fingers are really thick, chances are that it is mostly fat.
Here's some words from Bernhard about thick fingers : Source : https://www.pianostreet.com/smf/index.php?topic=3039.msg27397#msg27397
My first thought on reading the original post was - is the pianist overweight and therefore has thick fingers. I have students with thick fingers, but not so thick that they don't fit. And their problem is not the finger size so much as the fact that their movements are lethargic due to a total lack of physical activity. So, we've been working on scale playing, and the students parents are enrolling him/her in a class with activity. It has made some difference, but will take a while before i really know how much.
I have large hands and thick fingers. My piano teachers, Cecil Lytle and (the late) Nathan Schwartz also have/had large hands. Cecil's make mine look small, yet he won an Int. Liszt Competition...the trick to playing between the black keys is to bend laterally (away from the thumbs) slightly at the wrist to fit your fingers deep into the white keys. Sounds awkward, works great. Nathan taught me this, he may have learned it from his teacher, Alfred Cortot.P.S. I watched myself play last night, and I also bend medially, toward the thumbs, to fit. So, a loose wrist helps you fit fingers sideways. That was a movie, too, I think.
If your fingers don't fit onto the white keys between the black keys when playing "in the keys" you rotate the fingers slightly and they suddenly fit fine. To do this, you have to flex your wrist laterally or medially slightly and, perhaps, rotate your radius slightly at the elbow. Hard to explain anatomically and doesn't really require thought--but it works well. If fact, it works so well I have been criticized sometimes for playing too close to the keys. But I like the feel of the black keys for orientation, especially in chamber pieces like Brahms Op. 87, where there are difficult all-white key passages.Mr. Schwartz suggested I do this thirty years ago and I have had good luck with it.
I think you're missing the point of what was said. Look at volodos and look at serkin. Serkin had problems getting his big fingers in. Volodos certainly doesn't seem to. Being in good shape does nobody any harm but plenty of big players don't have lazy fingers and it's not responsible for what is being spoken of. I'm skeptical myself much of the time (as only a tiny percentage of fingers can't play cleanly by simply sliding in well in advance). However, Alan Fraser is not a fat man and has very large hands. He said he has to put his fingers slightly on the side when playing between black keys or they tend to move too. Although I'm convinced that most people who blame thick fingers have adequate room if they are precise enough about preparing, some hands just do have very wide finger bones that make problems. It's not a weight issue in the few genuine cases I've encountered.