Neck Range of Motion and Use of Computer Head ControlsBy LoPresti, Edmund F., PhD; Brienza, David M., PhD; Angelo, Jennifer, PhD, OTR/L; Gilbertson, Lars, PhD; Journal of Rehabilitation Research and Development, Vol. 40, No. 3, pp. 199-212
Publication Date: May/June 2003
Study conducted to determine whether neck movement limitations are associated with reduced performance in utilizing head controls, which are used to provide an alternate means to access computers. The study also identified features of the cursor movement path that could aid in assessing computer access limitations. Fifteen participants without disabilities and ten participants with disabilities received neck range of motion evaluations and performed computer exercises using head controls. The participants used a HeadMaster Plus head-control system from Prentke Romich to perform the exercises. The device was connected to a Dell personal computer. Reduced neck range of motion was correlated with reduced accuracy and speed in icon selection. A model was developed with the use of cursor positioning time and a number of velocity peaks to identify when a participant was having difficulties. Such models may allow head controls to adapt to a user’s needs, accommodating for difficulties resulting from limited range of motion.
Assistive Products Discussed: HEADMASTER PLUS (MODEL HM-3P)
VA Rehabilitation Research & Development Service (Web Site: http://www.rehab.research.va.gov )