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BackgroundSurgeons face elevated risks of musculoskeletal disorders due to prolonged operating times, awkward postures, and repetitive tasks, which can impair performance and well-being. Microbreaks have emerged as a potential ergonomic intervention to reduce discomfort and fatigue during surgery.ObjectiveThe main goal of this study was to investigate and compare the intraoperative usability and effectiveness of two break scheduling strategies using the OR-Stretch^TM Web-App. Furthermore, surgeons' feedback on the primary barriers to implementation of the OR-Stretch Web-App was recorded.MethodsThis study used a randomized, within-subjects crossover design. Fourteen surgeons (eight females) performed three surgical procedures with the following microbreak schedules; (1) microbreaks every 30 min with an optional ten-minute snooze (Break-30), (2) microbreaks every 60 min with an optional ten-minute snooze (Break-60), or (3) no microbreaks (Baseline). Outcomes were measured using self-reported subjective surveys (e.g., discomfort, fatigue, workload, and usability).ResultsSurgeons found both Break-30 and Break-60 conditions aided physical performance, mental focus, body pain/discomfort, and level of fatigue (self-reported improvement between 28.6% and 78.6%). No significant differences were observed in surgeons' subjective evaluations of the Break-30 and Break-60 conditions; however, the data suggest that Break-60 is preferable to the Break-30 condition.ConclusionsThis study provides evidence supporting the OR-Stretch Web-App as a potential surgical ergonomic intervention. However, enhancing the Web-App's user-friendliness and developing strategies to synchronize microbreaks with appropriate times during surgeries, to avoid disrupting the surgical workflow, are critical areas for future studies.