You can have here my notes, the resources and hypothesis related to the presentation of the previous post.

https://books.apple.com/be/book/lucia-cossu-joints-and-voice-does-voice-production/id6443373997

Lucia Cossu Voice teacher online/in person
Rue Charles Morren 9 – 4000 Liège BELGIUM
TVA: BE0723776188
Mail: cossuvoiceteacher@gmail.com