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A Novel Application of Musculoskeletal Ultrasound Imaging
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A pilot study to precisely quantify forces applied by sonographers while scanning: A step toward reducing ergonomic

Manish Dhyani1, Shawn C Roll2, Matthew W Gilbertson3

  • 1Department of Radiology, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, MA, USA.

Work (Reading, Mass.)
|September 19, 2017
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Summary

Sonographers apply higher forces during abdominal imaging on patients with higher body mass index (BMI). This novel force-measuring probe can help understand work-related musculoskeletal injuries in sonography professionals.

Keywords:
Ergonomicsforce measurementinjurysonographersultrasoundwork-related injury

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Area of Science:

  • Medical Imaging
  • Occupational Health
  • Biomechanics

Background:

  • Sonography professionals experience high rates of work-related musculoskeletal injuries.
  • Current risk factor assessments rely on subjective methods, necessitating quantitative techniques.
  • Developing objective measurement tools is crucial for understanding and preventing sonographer injuries.

Purpose of the Study:

  • To pilot test a high-resolution force-measuring probe for quantifying forces applied by sonographers.
  • To evaluate applied forces during abdominal imaging using direct measurement.
  • To explore the relationship between applied forces, sonographer experience, and patient BMI.

Main Methods:

  • Twelve sonographers performed abdominal scans on 10 volunteers with varying BMIs.
  • A novel force-measuring probe provided real-time measurements of applied forces and angles.
  • Data were analyzed based on sonographer experience and subject BMI.

Main Results:

  • Mean applied force during abdominal imaging was 8.2±4.3 N.
  • Significantly higher mean forces (10.5 N) were applied to subjects with high BMI (>25) compared to normal BMI (7.9 N).
  • No significant difference in applied force was found between experienced and less experienced sonographers.

Conclusions:

  • Direct force measurement by sonographers is feasible using advanced technology.
  • Applied forces during abdominal scans are significantly influenced by patient BMI, not sonographer experience.
  • This technology offers potential for quantitative analysis of forces contributing to musculoskeletal injuries in sonographers.