Journal of Rehabilitation Research & Development (JRRD)

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Classifying prosthetic use via accelerometry in persons with transtibial amputations

Morgan T. Redfield, MSEE, et al.

We developed a system to identify when a person with limb loss was wearing his or her prosthesis and whether he or she was moving, standing, or sitting. The system uses a commercially available accelerometer (sensor) and custom processing software. We tested the system in the laboratory by comparing results with visual observations of subjects and outside the laboratory by comparing results obtained from two sensors. The system accuracy averaged 96.6%. The information provided by this system may be useful to clinicians who are fitting prostheses, selecting components, or training patients. It may also be useful for automatic feedback control to adjust prosthesis mechanisms based on activity and posture.
http://dx.doi.org/10.1682/JRRD.2012.12.0233

Volume 50 Number 9, 2013
   Pages 1201 — 1212


View HTML  ¦  View PDF  ¦  Contents Vol. 50, No. 9
This article and any supplemental material should be cited as follows:
Redfield MT, Cagle JC, Hafner BJ, Sanders JE. Classifying prosthetic use via accelerometry in persons with transtibial amputations. J Rehabil Res Dev. 2013;50(9): 1201–12.
http://dx.doi.org/10.1682/JRRD.2012.12.0233
ResearcherID/ORCID: Joan E. Sanders, PhD: E-8204-2011; Brian J. Hafner, PhD: M-6322-2013
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