Assessing Joint Stability from Eigenvalues Obtained from Multi-Channel EMG: A Spine Example

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Author(s): Dianne M. Ikeda (University of Waterloo, Canada)and Stuart M. McGill (University of Waterloo, Canada)
Copyright: 2014
Pages: 16
Source title: Applications, Challenges, and Advancements in Electromyography Signal Processing
Source Author(s)/Editor(s): Ganesh R. Naik (University of Technology Sydney (UTS), Australia)
DOI: 10.4018/978-1-4666-6090-8.ch009

Keywords: Medical Information Science Reference / Medical Technologies / Medicine & Healthcare

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Abstract

Electromyographic (EMG) signals have many uses. This chapter addresses the role of EMG signals to assess joint stability. Low back pain assessment and treatment interventions often involve the concepts of stability and/or joint stiffness. Using muscle activation and lumbar spine posture to calculate segmental stiffness and potential energy of the spine, eigenvalues can be linked to quantitative stability. It is reasoned that if a relationship exists between eigenvalues and individual muscles, then this approach can guide customized clinical intervention for people with defined spine instability.

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Assessing Joint Stability from Eigenvalues Obtained from Multi-Channel EMG: A Spine Example

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