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Related Experiment Video

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Submandibular Push Exercise Using Visual Feedback from a Pressure Sensor in Patients with Swallowing Difficulties: A

Jong-Moon Hwang1,2, Hyunwoo Jung1,2, Chul-Hyun Kim1,2

  • 1Department of Rehabilitation Medicine, Kyungpook National University Hospital, Daegu 41944, Korea.

Healthcare (Basel, Switzerland)
|April 30, 2021
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Summary

This study shows that a submandibular push exercise with pressure sensor feedback effectively strengthens swallowing muscles in dysphagia patients. Repetitive training improved muscle pressure and endurance over four sessions.

Keywords:
CTARShaker exerciseinfrahyoidsubmandibular push exercisesuprahyoid

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Area of Science:

  • Neurology
  • Rehabilitation Medicine
  • Speech-Language Pathology

Background:

  • Dysphagia, or difficulty swallowing, affects numerous patients across various etiologies.
  • Strengthening swallowing-related muscles is crucial for managing dysphagia.
  • Objective feedback methods can enhance the effectiveness of swallowing exercises.

Purpose of the Study:

  • To assess the utility and efficacy of a submandibular push exercise.
  • To investigate the impact of visual feedback from a pressure sensor during exercise.
  • To evaluate the effectiveness of continuous exercise sessions over three weeks.

Main Methods:

  • Twelve patients with dysphagia participated in five exercise sessions over three weeks.
  • The submandibular push exercise involved maintaining maximum force for 3 seconds, repeated for 1 minute.
  • Measurements included exercise count, maximum pressure, and pressure-time graph area, with statistical comparisons between trials.

Main Results:

  • Eight out of twelve patients completed the exercise program.
  • Significant increases in maximum pressure and pressure-time graph area were observed with increased exercise trials (p < 0.05).
  • Improvements were noted from the first to the fourth session, with values stabilizing thereafter.

Conclusions:

  • The submandibular push exercise with pressure sensor feedback is a viable method for strengthening suprahyoid and infrahyoid muscles in dysphagia patients.
  • Repetitive training demonstrates measurable improvements in muscle function.
  • Further research with larger cohorts and longer follow-up is recommended to confirm long-term dysphagia improvement.