Step Sequence and Direction Detection of Four Square Step Test

@article{Kong2017StepSA,
  title={Step Sequence and Direction Detection of Four Square Step Test},
  author={Weisheng Kong and Lauren Wanning and Salvatore Sessa and Massimiliano Zecca and Daniele Magistro and Hikaru Takeuchi and Ryuta Kawashima and Atsuo Takanishi},
  journal={IEEE Robotics and Automation Letters},
  year={2017},
  volume={2},
  pages={2194-2200}
}
Poor balance control and falls are big issues for older adults that due to aging decline have a lower postural balance and directional control in balance performance than younger age groups. The four square step test (FSST) was developed to evaluate rapid stepping that is often required when changing direction and avoiding obstacles while walking. However, previous researchers used only the total time as the assessment in the test. The aim of this letter is to objectively quantify the sequence… 
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