Will the orbiTouch® cause damage to other parts of the arm given that it eliminates finger motion and wrist motion?

Extensive research has lead to the design of the orbiTouch® Keyless Keyboard. Each orbiTouch® dome moves 7 millimeters from their center position. This distance is about the same that most typists move their hands in typing on a regular keyboard. As such, the biomechanical requirements in the upper arm in using a regular QWERTY keyboard are similar to those when typing with the orbiTouch®