Scales 2: How to Avoid “Thumb Under” - Synchronization of Shoulders-Arms-Hands

► If you have any doubts, please, see more clarification BELOW THE INDEX. I also quote two most useful comments.
::::::::: ▼::::::: INDEX ::::::: ▼:::::::::
● How Does It Work? - 0:13
- Don’t articulate excessively - 0:34
- Don’t play a strict legato - 0:51
- How to avoid the “Thumb Under”? - 1:10
- Lifting the elbow - 2:10
- Your thumb must be active - 2:54

● How to Practice? - 3:08
- Synchronization of vertical and horizontal
movements - 3:29
- Imagine that you open the zipper - 4:17 / 4:47
● Exercises - 5:16

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► You must be aware that the expression “avoid thumb under” does not mean that the thumb should be still or stiff and never cross the other fingers. It means that, when playing scales or runs, the thumb should gradually approach its next position and the point is that you MUST NOT PLAY LEGATO between the thumb and 3rd or 4th fingers. Instead, your hand should make a very little and inaudible jump when changing the horizontal position on the keyboard.

► Comment by Rudel23 (from 2018.12.19):
«I was a very good friend of Gyorgy Sandor, and this is exactly the technique he wanted and used for " thumb passage"».

► Comment by Uriah Peep (from 2018.11.26):
«You are actually (right-hand example) pushing the right hand up the keyboard imperceptibly at the point SO THAT the thumb will take over the next series of keys and LANDS ON the next key coming up by this hand motion. This little movement takes away the "thumb under" to a hand motion upward so that the thumb is doing a much less "under" movement than before. I came to this concept naturally in my practice by merely keeping the hand in a straight line (perpendicular to the keyboard). And as you say, it makes for economic use of hand motion thereby reducing the energy output.»

Видео Scales 2: How to Avoid “Thumb Under” - Synchronization of Shoulders-Arms-Hands канала Aleksander Woronicki