Entropy analysis of tri-axial leg acceleration signal waveforms for measurement of decrease of physiological variability in human gait.

@article{Tochigi2012EntropyAO,
  title={Entropy analysis of tri-axial leg acceleration signal waveforms for measurement of decrease of physiological variability in human gait.},
  author={Yuki Tochigi and Neil A. Segal and Tanawat Vaseenon and Thomas D. Brown},
  journal={Journal of orthopaedic research : official publication of the Orthopaedic Research Society},
  year={2012},
  volume={30 6},
  pages={
          897-904
        }
}
Disease-related and senescent decrease of physiological variability in biological time-series outputs (e.g., heart rate) has drawn increasing attention as a potential new type of biomarker. In this paradigm, measurement of variability in periodic motion may enable quantitative evaluation of functional limitation in people with musculoskeletal disorders. A novel technique to measure variability of leg motion patterns during level walking was used to study 52 adults with symptomatic knee… CONTINUE READING
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