Mobility impairments can be caused by arthritis, stroke, cerebral palsy, Parkinson's disease, multiple sclerosis, and loss of limbs or digits, among others. Poor muscle control or weakness can make using standard keyboards and mouse devices difficult. For instance, some people are unable to type two keys simultaneously, while others tend to hit multiple keys or to bounce keys when pressing or releasing them. People who are able to use only one hand likewise have difficulties with some keyboard and mouse tasks.

The technologies which can assist those with mobility impairments are:

  • On-Screen Keyboard - lets users select keys using a pointing method such as pointing devices, switches, or Morse-code input systems.
  • Mouse and Keyboard Enhancements - helpful for users who have trouble typing and controlling a mouse or a keyboard.