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Commercial wrist extensor orthoses. Hand function, comfort, and interference across five styles

E B Stern1, B Sines, T R Teague

  • 1University of Minnesota, Minneapolis 55455.

Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists
|October 1, 1994
PubMed
Summary

This study found that shorter, padded wrist extensor orthoses, like the Rolyan D-ring, offer a good balance of hand function and comfort for daily tasks. These devices provide joint support without significantly hindering hand speed.

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Area of Science:

  • Orthotics and Prosthetics
  • Rehabilitation Engineering
  • Biomechanics

Background:

  • Static wrist extensor orthoses are commonly used for joint support, not immobilization.
  • User experience and functional impact are critical considerations for orthotic selection.

Purpose of the Study:

  • To compare hand function, comfort, and daily task interference among five commercial static wrist extensor orthoses.
  • To identify the most suitable orthosis based on performance and user experience.

Main Methods:

  • Twenty-three able-bodied women participated, comparing their unencumbered dominant hand function with the use of five different commercial orthoses.
  • Hand function was assessed using the Jebsen-Taylor Hand Function Test.
  • Subjective feedback on comfort and interference during daily activities was collected.

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Main Results:

  • No significant differences in hand speeds were observed among the orthoses for most tasks in the Jebsen-Taylor Hand Function Test.
  • The shorter, padded orthosis (Rolyan D-ring) was perceived as more comfortable and less interfering with daily activities.
  • When considering speed, comfort, and interference, the Rolyan D-ring emerged as a preferred option.

Conclusions:

  • Shorter, padded static wrist extensor orthoses may offer an optimal balance of functional performance and user comfort.
  • The Rolyan D-ring orthosis is a recommended 'first choice' among the studied commercial options for individuals seeking joint support.
  • Future research should continue to evaluate orthotic designs for improved usability and functional outcomes.