Background: More than 80% of pathologists suffer from various manifestations of disorders of the musculoskeletal system. The daily duties of pathologists include several hours of work at a microscope and a computer. Microscopes are often not optimized for ergonomics and do not allow the doctor to take the correct sitting position, most often working with a microscope requires leaning forward.
Objective: To study the ergonomic properties of the workplace of a pathologist and develop specific practical recommendations for long-term work at a microscope.
Material And Methods: The study included microscopes with an adjustable and non-adjustable angle of inclination of the tube and height-adjustable chairs. We identify following ergonomic parameters: pathologist height; angle of inclination of the back of the chair; angle of inclination of the microscope tube; angle of inclination of the neck; chair height. The study included 21 participants. Statistical processing and analysis were made using single-factor and multifactorial correlation analysis.
Results: A strong positive linear correlation was identified (=0.80; <0.05) between the height of test person and angle of inclination of the microscope tube. A strong positive linear correlation was established (=0.91; <0.05) between the test person height and the angle of inclination of the neck for microscopes with non-adjustable 31°-angle of inclination of the tube. For microscopes with non-adjustable 45°-angle of inclination of the tube a strong polynomial correlation of the second degree (=0.85; <0.05) was found. A moderate negative linear correlation was found between the height of the pathologist and his tilt angle neck with both adjustable and non-adjustable tube angle of the microscope.
Conclusion: In this study for the first-time exact correlation dependencies between key ergonomic parameters of pathologist's workplace were evaluated. This study showed that only microscopes with an adjustable angle of inclination of the tube allow to achieve an optimal body position.
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