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Development of a limits of stability protocol for use in transtibial prosthesis users: Learning effects and reliability of outcome variables
Jönköping University, School of Health and Welfare, HHJ, Dep. of Rehabilitation. Jönköping University, School of Health and Welfare, HHJ. ADULT.ORCID iD: 0000-0002-0220-6278
Jönköping University, School of Health and Welfare.
School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom.
2017 (English)In: Gait & Posture, ISSN 0966-6362, E-ISSN 1879-2219Article in journal (Refereed) Accepted
Abstract [en]

The aims of this study were to empirically quantify reliability and learning effects of a Limits of Stability protocol for transtibial prosthesis users. Outcome variables from center of pressure and center of mass were tested on: 1) multiple test repetitions within a single test occasion; and 2) between multiple test occasions. Trantibial prosthesis users (n=7) and matched controls (n=7) executed five trials of the Limits of Stability protocol on two occasions per day, on two consecutive days. Inter-trial learning effects and reliability of outcomes extracted via center of mass and center of pressure were evaluated utilizing standard biomechanics laboratory equipment. Reliability was good to excellent except the reaction time variable which was poor (Pooled 95%CI of ICC=0.248-0.484). An inter-trial learning effect was present in directional control for prosthesis users when the first trial was included in analysis (center of mass: 95%CI of r=0.065-0.239; center of pressure: 95%CI of r=0.076-0.249). The use of standard biomechanics lab equipment can produce reliable results for the Limits of Stability protocol. Researchers should be aware of low reliability of reaction time variable in the protocol assessed and should execute at least one practice trial prior to that which is used in subsequent analysis.

Place, publisher, year, edition, pages
Elsevier, 2017.
Keyword [en]
Balance, Postural Control, Amputee, Prosthesis, Limits of Stability
National Category
Orthopedics
Identifiers
URN: urn:nbn:se:hj:diva-36921DOI: 10.1016/j.gaitpost.2017.08.021Local ID: HHJADULTISOAI: oai:DiVA.org:hj-36921DiVA: diva2:1134073
Available from: 2017-08-17 Created: 2017-08-17 Last updated: 2017-08-22

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S0966636217308664

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CiteExportLink to record
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