Author
Listed:
- Erienne V Olesh
- Sergiy Yakovenko
- Valeriya Gritsenko
Abstract
Current diagnosis and treatment of movement impairment post-stroke is based on the subjective assessment of select movements by a trained clinical specialist. However, modern low-cost motion capture technology allows for the development of automated quantitative assessment of motor impairment. Such outcome measures are crucial for advancing post-stroke treatment methods. We sought to develop an automated method of measuring the quality of movement in clinically-relevant terms from low-cost motion capture. Unconstrained movements of upper extremity were performed by people with chronic hemiparesis and recorded by standard and low-cost motion capture systems. Quantitative scores derived from motion capture were compared to qualitative clinical scores produced by trained human raters. A strong linear relationship was found between qualitative scores and quantitative scores derived from both standard and low-cost motion capture. Performance of the automated scoring algorithm was matched by averaged qualitative scores of three human raters. We conclude that low-cost motion capture combined with an automated scoring algorithm is a feasible method to assess objectively upper-arm impairment post stroke. The application of this technology may not only reduce the cost of assessment of post-stroke movement impairment, but also promote the acceptance of objective impairment measures into routine medical practice.
Suggested Citation
Erienne V Olesh & Sergiy Yakovenko & Valeriya Gritsenko, 2014.
"Automated Assessment of Upper Extremity Movement Impairment due to Stroke,"
PLOS ONE, Public Library of Science, vol. 9(8), pages 1-9, August.
Handle:
RePEc:plo:pone00:0104487
DOI: 10.1371/journal.pone.0104487
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