Robotic rehabilitation of the paralyzed upper limb for a stroke patient using the single-joint hybrid assistive limb: a case study assessed by accelerometer on the wrist

  • Oga Kenya
    Department of Occupational Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Japan
  • Yozu Arito
    Center for Medical Sciences, Ibaraki Prefectural University of Health Sciences: 4669-2 Ami, Ami-machi, Inashiki, Ibaraki 300-0394, Japan
  • Kume Yu
    Department of Occupational Therapy, Doctorial Course in Health Sciences, Graduate School of Medicine, Akita University, Japan
  • Seki Hiroyuki
    Department of Occupational Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Japan
  • Tsuchiya Nobuhito
    Department of Occupational Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Japan
  • Nakai Kei
    Faculty of Medicine, University of Tsukuba, Japan
  • Matsushita Akira
    Neurorehabilitation, Ibaraki Prefectural University of Health Sciences Hospital, Japan
  • Mutsuzaki Hirotaka
    Center for Medical Sciences, Ibaraki Prefectural University of Health Sciences: 4669-2 Ami, Ami-machi, Inashiki, Ibaraki 300-0394, Japan
  • Kohno Yutaka
    Center for Medical Sciences, Ibaraki Prefectural University of Health Sciences: 4669-2 Ami, Ami-machi, Inashiki, Ibaraki 300-0394, Japan

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<p> [Purpose] Recent studies have reported the effectiveness of robotic rehabilitation of paralyzed upper limbs in stroke patients. For example, the Single-Joint Hybrid Assistive Limb has been shown to improve upper limb impairments. However, limited data are available on the effectiveness of robotic rehabilitation of the upper limb with regards to daily living. In this case study, an accelerometer was adopted to examine whether rehabilitation using the Single-Joint Hybrid Assistive Limb improved upper limb activity during daily living in a stroke patient. [Participant and Methods] The participant was a 69-year-old male diagnosed with stroke and left hemiparesis. The Single-Joint Hybrid Assistive Limb was applied to the participant’s elbow on the paralyzed side. The participant wore an accelerometer on each wrist to measure the activities of the upper limbs. Clinical tests of the paralyzed upper limb were also performed. [Results] The activity of the paralytic limb was significantly higher after Single-Joint Hybrid Assistive Limb intervention than before the intervention. On the other hand, none of the results of the clinical tests changed beyond a clinically important difference. [Conclusion] The Single-Joint Hybrid Assistive Limb could be useful for promoting active use of a paralyzed upper limb in daily living. In addition, an accelerometer could be especially useful for evaluating the effects of robotic rehabilitation.</p>

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