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Self-reported and performance-based outcomes using DEKA Arm.

Linda Resnik1, Matthew Borgia, Gail Latlief

  • 1Providence VA Medical Center, 830 Chalkstone Ave, Providence, RI 02908. Linda.Resnik@va.gov.

Journal of Rehabilitation Research and Development
|July 15, 2014
PubMed
Summary
This summary is machine-generated.

The DEKA Arm shows varied functional benefits for amputees, improving activity performance and spontaneity for some users. Dexterity improvements depend on amputation level, with overall task performance enhancing across all users.

Keywords:
Department of Veterans Affairsamputationassistive technologydexteritydisability evaluationoutcomesphysical functionprostheticsrehabilitationupper limb

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Medicine
  • Prosthetics and Orthotics

Background:

  • The DEKA Arm represents significant engineering advancements in prosthetic technology.
  • Translating these mechanical improvements into tangible functional benefits for amputees requires rigorous evaluation.

Purpose of the Study:

  • To quantify functional outcomes (dexterity, daily activity performance, prosthetic skill, spontaneity) in DEKA Arm users.
  • To compare these outcomes with those achieved using conventional prostheses.

Main Methods:

  • A quasi-experimental study design was employed.
  • 32 upper-limb amputees trained on the DEKA Arm completed end-of-study testing.
  • Outcomes were compared between DEKA Arm users and their existing prostheses.

Main Results:

  • DEKA Arm's impact on dexterity and activity performance varied significantly by amputation level (p < 0.01).
  • Self-reported function and the number of activities performed were consistent across amputation levels.
  • Activity performance and spontaneity improved for shoulder-level amputation users; perceived task difficulty decreased for all users.

Conclusions:

  • The DEKA Arm offers distinct functional advantages, particularly in activity performance and spontaneity, though its effectiveness varies with amputation level.
  • Engineering innovations in the DEKA Arm translate to improved prosthetic use and reduced perceived difficulty for amputees.
  • Further research can optimize DEKA Arm utilization across diverse amputation profiles.