My left leg/back have been weak and painful for a decade or two, and I suspected it was from using my mouse right handed for just as long and twisting my body a

My left leg/back have been weak and painful for a decade or two, and I suspected it was from using my mouse right handed for just as long and twisting my body accordingly. The guy at physical therapy said they switch their mouse over to the other hand every now and then to avoid that.