Successful use of the Trackball requires proper chair and desk height to be set first. Please see section relating to Ergonomic Chair and Height Adjustable Table for more information.
There are many other trackball models and other alternative pointing devices available. Visit local Assistive Technology Centers in Arizona for more information. (see General AT listings in kiosk)
If at all possible, persons with diagnosed physical access conditions should be seen for evaluation by a physical motor specialist (OT, PT or Rehab Engineer). The physical motor specialist can prescribe therapeutic chair settings, table height and placement of adaptive keyboards.
Who: Persons with fine motor limitations (i.e. spinal cord injury, CP, etc) , some persons with visual impairments and persons with sensorymotor limitations (problems gripping and tactile impairment) may prefer using a trackball instead of the mouse.
What: All comprehensive One-Stops have the Kensington Trackball Pro. Other brands of this type are available commercially.
Where: Resource Room ADA computer. The trackball may be moved with permission to training room computer. Simply unplug from USB port and plug into any other computer. Some features may not be available on other computers since the touchpad does use special software to configure programmable features.
When: Anytime for mousing!
Why: The user can move the ball and re-position their arm instead of grasping the mouse and having to pick it up to re-position. The trackball gives tactile feedback (the person can “feel” the direction they are moving if needed) and the buttons are usually easier to manage. **the fourth button is programmed to lock for “click and drag” tasks.
How: Try it, see if you like it!
www.atarizona.com
www.fentek-ind.com
www.enablemart.com
*Technical Assistance (AT/IT Specialist):