Which of the following is a common ergonomic hazard in the laboratory?

Prolonged periods of sitting or standing are indeed considered a common ergonomic hazard in the laboratory setting. This can lead to various musculoskeletal issues, such as back pain, strain in the neck, shoulders, and legs, and other discomforts arising from maintaining a fixed posture for an extended time. In laboratory environments where tasks often require meticulous work, it's easy for individuals to remain in one position, which can negatively impact their physical health over time.

Addressing this hazard involves implementing strategies like changing positions frequently, utilizing ergonomic furniture (like adjustable stools or sit-stand desks), and incorporating short breaks to minimize the physical strain associated with long periods of inactivity. By recognizing and mitigating this ergonomic hazard, laboratory personnel can enhance their comfort, efficiency, and overall well-being while conducting their work.