Some physically impaired persons 'hands, while not agile, still have movement, and can use large trackball mice in place of regular ones. And even if their entire body is immobile, the ability to press a finger is enough to use a "joystick mouse." Paraplegics can even use the force of their breath to manipulate super-sensitive mice.
像部分殘友手部雖不靈活但還勉強可以移動，就用大面積的「軌跡球」當作滑鼠；若全身都無法動彈，但手指只要有一隻可使得上力的，也可使用「搖桿滑鼠」，全身癱瘓者則以嘴巴吹氣方式來控制超靈敏型的滑鼠。