Instructional videos for the stability of the body in various forms are shown here. Sitting, standing stability for making music but also div. exercises to improve stability in certain parts of the body such as the shoulder blades and core. Instructional videos for the hand exercises can be found here. Hand exercises video
The videos are available with English subtitles and you must start the video and then click on subtitles and then go to settings and select the language.
Guidance to seated stability
Guidance to standing stability
Guidance for violin playing
Guidance for piano playing
Finger play on the keys
Hand traing before piano play
Guidance for guitar playing
Guidance for flute playing
Excercises for shoulderblades and core, standing position
Exercises for shoulder stability, laying down
Three excersises for core
Guidance for hand and thumb stability
Hand excersises