Here is a video that presents the lesson in a few minutes preliminary to start playing the piano: a beneficial activity for the body and for the whole person.
In the video are explained in a simple way the fundamentals of proper approach to the instrument.
It clarifies that a state of muscle relaxation is functional with the proper performance. The rhythmic pulse is the basis of our coordinated movements and everything corresponds precisely to the physiology of our natural breathing, in the two phases inhaling and exhaling.
From the very nature of our body comes the music!