Day 16 # Find a problem that affects someone who cannot use their hand 


Physical Disabilities

Motor
Motor disabilities can include weakness, limitations of muscular control (such as involuntary movements, a lack of coordination, or paralysis), limitations of sensation, joint problems, or missing limbs. Some physical disabilities can include pain which further impedes movement. Any of these conditions can affect the hands and arms as well as other parts of the body.

To use the Web, people with disabilities affecting the hands or arms may use a specialized mouse; a keyboard with a layout of keys that matches their range of motion; a head-mouse, head-pointer, or mouth-stick; voice-recognition software; an eye-gaze system, or other assistive technologies to access and interact with the information on Web sites. They may activate commands by using single keystrokes rather than the simultaneous keystrokes needed to activate commands in some applications. They may need more time when filling out interactive forms on Web sites.

Barriers that people with motor disabilities affecting the hands or arms may encounter include:
  • browsers and authoring tools that do not support serialized keystrokes for commands
  • forms that cannot be tabbed through in a logical order
  • interactive forms with time-limited response options




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