- Edited
I have recently noticed in my videos that I seem to have flat or slightly collapsed hand arch (metacarpal joints) in my left hand. @BartK pointed it out, too. I am showing two video clips here. The scales one shows the left hand clearer, whereas the Downton Abbey piece demonstrates the problem especially with left hand finger 3.
I've been trying to fix this. It sounded simple - just remind myself to hold the arched hand shape and practice slow, right? But that approach does not seem to address the root cause in my case and haven't been effective so far. Maybe every hand is indeed different? And I need to figure out what exactly cause me to do what I do. I have thought about several possible reasons. But I really like to hear what you see and think. I know getting a in-person teacher is probably the best way to solve this. Until then, any help is appreciated.
My potential reasons:
- My thumb is too short?
- My thumb is reluctant to extend far down? (This applies to little finger, too. As when they don't extend far down enough, the hand arch then need to lower to compensate)
- My long fingers aren't playing close enough to the fall board? (For example in Downton Abbey, left finger 3 is playing below the black key causing the 2nd knuckle to rise above metacarpal? In G# minor scale, less so because the longer fingers are playing the black key?)
- Any relation to finger strength issue? (I am still new to piano playing)
- Seating height?
- Hand size? (I can reach an octave only on the very edge. Arching the hand up makes lateral reach smaller?)