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Promoting continuous rehabilitation with AI-based motion capture and biomechanical analysis: objective feedback as a

Kotaro Matsuura1, Akiko Matsuura2, Miwa Izaki3

  • 1Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Japan.

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Summary

Providing feedback on motor skill changes through AI-powered motion capture can enhance exercise motivation in elderly rehabilitation patients. However, these motivational gains diminish after one month, suggesting a need for continuous feedback to maintain engagement.

Keywords:
AI-based motion capturebiomechanical analysiscontinuous rehabilitationobjective feedbackrehabilitation exercises

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Area of Science:

  • Rehabilitation Medicine
  • Biomedical Engineering
  • Gerontology

Background:

  • Exercise therapy is crucial for rehabilitation but faces challenges with patient adherence and motivation.
  • Objective tracking of motor skill changes and providing feedback may improve rehabilitation continuity.

Purpose of the Study:

  • To investigate the effect of AI-based markerless motion capture feedback on exercise motivation in elderly patients undergoing rehabilitation.
  • To assess if visualizing motor function changes enhances understanding and motivation for continued exercise participation.

Main Methods:

  • Utilized AI-based markerless motion capture to estimate upper limb joint moments.
  • Assessed motivation using the Motivation in Exercise Questionnaire (MEQ) in elderly patients (n=31) with diverse conditions.
  • Employed a non-randomized design with an 8-week intervention, providing feedback at 4 weeks and follow-up.

Main Results:

  • Feedback group showed a tendency for improved motivation and willingness to continue exercising, though not statistically significant (p=0.09).
  • Understanding of athletic ability changes also showed a positive trend with feedback (p=0.13).
  • Parkinsonism participants exhibited significantly negative changes in questionnaire scores compared to other groups (p=0.022).

Conclusions:

  • Visualizing motor function changes via feedback can temporarily boost exercise motivation in elderly rehabilitation patients.
  • The positive effects of feedback on motivation were not sustained one month post-intervention.
  • Continuous, more frequent feedback (e.g., monthly) is likely necessary to maintain long-term exercise adherence.