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Publication Detail
Pain level recognition using kinematics and muscle activity for physical rehabilitation in chronic pain
  • Publication Type:
  • Authors:
    Olugbade TA, Bianchi-Berthouze N, Marquardt N, Williams AC
  • Publication date:
  • Pagination:
    243, 249
  • Published proceedings:
    2015 International Conference on Affective Computing and Intelligent Interaction, ACII 2015
  • ISBN-13:
  • Status:
© 2015 IEEE.People with chronic musculoskeletal pain would benefit from technology that provides run-time personalized feedback and help adjust their physical exercise plan. However, increased pain during physical exercise, or anxiety about anticipated pain increase, may lead to setback and intensified sensitivity to pain. Our study investigates the possibility of detecting pain levels from the quality of body movement during two functional physical exercises. By analyzing recordings of kinematics and muscle activity, our feature optimization algorithms and machine learning techniques can automatically discriminate between people with low level pain and high level pain and control participants while exercising. Best results were obtained from feature set optimization algorithms: 94% and 80% for the full trunk flexion and sit-to-stand movements respectively using Support Vector Machines. As depression can affect pain experience, we included participants' depression scores on a standard questionnaire and this improved discrimination between the control participants and the people with pain when Random Forests were used.
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