Lactation physiology video clip: health professionals` assessment in hospital care.

Objective: To evaluate the usability of a lactation physiology video clips by healthcare professionals and to identify barriers and facilitators for this usage in hospitals.

Method: Cross-sectional study juxtaposed with the Knowledge Translation Model. The video clip was evaluated with the System Usability Scale self-applied to 63 health professionals from a university hospital in southern Brazil, from April to September 2022. Spearman's correlation test was used.

Results: The usability of the video clip obtained the best imaginable classification with a positive association with longer training time (p=0.038) and motivation for using it (p=0.035). The facilitators went to have institutional capacity building; physical space and moments of guidance for breastfeeding; brevity of the video clip with easy and playful information. Barriers were overcrowding and turnover, limited audiovisual equipment and internet equipment.

Conclusion: The excellence of the usability of the video clip in the hospital highlights the potential for its application in continuing education with professionals and in health education with users. It is concluded that the longer the training time and the motivation for using technologies in daily care, the better professionals evaluate usability.