FWIW, my biggest wrist and arm problems came from using a "sticky" mouse. As the mouse and pad gets "old" and dirty, there's often a lot of friction when moving

FWIW, my biggest wrist and arm problems came from using a "sticky" mouse. As the mouse and pad gets "old" and dirty, there's often a lot of friction when moving the mouse. The mouse should move very easily. (try lightly touching it with you little finger)