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Rat Model of Adhesive Capsulitis of the Shoulder
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A Novel Active Device for Shoulder Rotation Based on Force Control.

Isabel M Alguacil-Diego1, Alicia Cuesta-Gómez1, David Pont2

  • 1Physiotherapy, Occupational Therapy, Physical Medicine and Rehabilitation Department, Universidad Rey Juan Carlos, Campus de Alcorcón, Av. de Atenas s/n, Alcorcón, 28922 Madrid, Spain.

Sensors (Basel, Switzerland)
|July 14, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a novel haptic device for shoulder rehabilitation, improving external rotation range of motion. Patients showed high acceptance and significant functional gains, suggesting its value in physical therapy.

Keywords:
force controlhapticmedical rehabilitationrehabilitationshoulder movementsupper limb

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Area of Science:

  • Rehabilitation Engineering
  • Biomechanics
  • Physical Therapy

Background:

  • Shoulder external rotation deficits often result from musculoskeletal injuries, limiting mobility and function.
  • Current rehabilitation methods may lack objective feedback and patient engagement.
  • Haptic devices offer potential for controlled, interactive therapeutic interventions.

Purpose of the Study:

  • To describe a one-degree-of-freedom haptic device for shoulder rehabilitation.
  • To evaluate the device's effectiveness in improving shoulder external rotation.
  • To assess patient acceptance of the haptic device during rehabilitation.

Main Methods:

  • A force control architecture with an adaptive speed PI controller was employed.
  • The device was utilized for three distinct shoulder rehabilitation exercises, focusing on external rotation.
  • A sample of 12 rehabilitation sessions with diverse shoulder pathologies was analyzed.

Main Results:

  • Significant improvement in shoulder external rotation: mean increase from 42.91 ± 4.53° to 53.88 ± 4.26°.
  • High patient acceptance reported, with System Usability Scale (SUS) scores averaging 82.70 ± 9.21.
  • The device demonstrated ease of use and portability for patient-specific rehabilitation.

Conclusions:

  • The haptic device shows promise for enhancing shoulder rehabilitation outcomes, particularly for external rotation deficits.
  • Its user-friendly design and positive patient feedback suggest successful integration into clinical practice.
  • Incorporating such technology could significantly aid both patients and physical therapists in recovery processes.