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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
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Abdominal Stiffness Evaluation in Massage for Constipation.

Yunyi Wang1, Chiaki Sakakibara2, Miho Shogenji3

  • 1Graduated School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.

Sensors (Basel, Switzerland)
|February 11, 2021
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Summary

Abdominal massage softens the abdomen, and this study quantises the link between reduced abdominal stiffness and improved stool consistency. A novel sensor effectively measures abdominal stiffness, correlating its reduction with positive bowel outcomes.

Keywords:
abdominal massageabdominal stiffnessstiffness sensor

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Area of Science:

  • Biomedical Engineering
  • Gastroenterology
  • Medical Device Development

Background:

  • Abdominal massage is anecdotally linked to improved constipation, but lacks quantitative evidence.
  • Existing stiffness measurement devices are unsuitable for soft abdominal tissues due to lateral outflow issues.

Purpose of the Study:

  • To develop a novel sensor for accurately measuring abdominal stiffness.
  • To investigate the quantitative relationship between reduced abdominal stiffness and the benefits of abdominal massage for constipation.

Main Methods:

  • A new stiffness sensor was designed with a stopper to prevent lateral tissue outflow and a time-of-flight (ToF) sensor to measure deformation.
  • The sensor utilizes a probe and spring to apply controlled pressure and deformation to the abdomen.
  • Abdominal stiffness was measured, and its reduction was correlated with stool condition improvements.

Main Results:

  • The developed sensor effectively measures abdominal stiffness by quantifying deformation length.
  • A reduction in abdominal stiffness correlated with improved or maintained healthy stool condition.
  • Conversely, maintained abdominal stiffness was associated with unchanged or worsened stool condition.

Conclusions:

  • The study presents a validated method for quantifying abdominal stiffness using a novel sensor.
  • Reduced abdominal stiffness is a measurable indicator of successful abdominal massage for constipation relief.
  • This technology can aid in objectively assessing the efficacy of interventions for bowel motility disorders.