ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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Sonographers should be aware of work-related musculoskeletal disorders. What is the best practice to avoid while scanning in terms of arm abduction?

  1. 50 degrees

  2. 30 degrees

  3. 40 degrees

  4. 90 degrees

The correct answer is: 30 degrees

When scanning, it is important for sonographers to be aware of their ergonomics to prevent work-related musculoskeletal disorders, including issues related to arm abduction. The best practice to avoid strain on the shoulder muscles and joints during scanning is to limit arm abduction to around 30 degrees. This angle helps reduce excessive strain on the shoulders and promotes a more comfortable scanning position. Options A, C, and D suggest angles that are either too high (90 degrees) or not optimal for minimizing strain on the arms during scanning.

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