Mice

If you spend eight hours a day moving a mouse, your wrist pays for it eventually. The constant forearm rotation, the ulnar deviation, the micro-adjustments to hit a small link — it adds up. Trackball mice solve this by keeping your hand still while your thumb or fingers roll the cursor into position. A trackball is not just a different shape. It changes how your arm works: your arm stays neutral, your hand rests in one spot, and only the ball moves. For people with wrist pain or carpal tunnel symptoms, that difference matters. ...