The Physical Application Of Playing The Piano Keyboard
In examining the use of the hand, it will, for now be enough to say that it will become the end product in a process. It will later, in its relation to the piano keyboard, be considered as an agent. The framework of the arm and hand consists of 30 bones: 1 for the upper arm, 2 for the forearm, 8 for the wrist, 5 for the palm of the hand, and 14 for the fingers and thumb. The hand and wrist are, strictly speaking, attached to only one of the two bones of the forearm. This may easily be proved. Let the right arm be loosely extended, and the hand made to-turn half round and back again without bending at the wrist, the fingers of the left hand during this motion touching lightly the " under" bone of the right arm close to the elbow. As the hand turns, the upper bone alone turns with it, attached to, and "rolling" on the lower one at both elbow and wrist. The terms "under" and "upper" are applied only relatively to the two bones of the ...