No more actions, just bend your fingers like dancing, and breathe deeply. At first, you shoul follow the app to be be familiar with the action, and force yourself to train a new habbit of breathe. If you sit before PC or official documents, you should find: the time takes to inhale is short, but the exhale time is long. When your cevical spine feel sick, you also find that you feel dizzy and have a headache, these are caused by illness of cevical spine.
Just follow me, you'll find it brings comfortable to you soon, a few minuntes needed only.