Abstract: An apparatus which reduces arm, wrist and shoulder stress and pain while using a computer mouse device. This apparatus includes an adjustable working surface which is capable of aligning the angle inclination as well as the angle of rotation of a mouse device user's hand, wrist and forearm with respect to the stationary working surface of the structure on which the apparatus is resting while operating the mouse device. The apparatus is adaptable to fit any adult size and is capable of use with either the left or right hand.