Stand up, stand out. Feasibility of an active break targeting prolonged sitting in university students.

To assess the acceptability, appropriateness, and feasibility of an active break designed to disrupt prolonged sitting in university students. : Students attending lectures in Trinity College Dublin, Ireland. Participants took part in an active break, which consisted of following a short exercise video lasting ∼4 min. They then completed a validated questionnaire consisting of 12 statements with two open-ended questions capturing likes/dislikes. Overall 106 (response rate 96%) predominately female (83%,  = 87), health sciences students (91%,  = 96) participated. Percentage agreement ranged from 93.4% ( = 99) to 96.2% ( = 102) for acceptability, 84.9% ( = 90) to 93.4% ( = 99) for appropriateness, and 80.2% ( = 85) to 96.2% ( = 102) for feasibility. Space constraints and warm temperatures impacted negatively. An active break delivered during lectures is an acceptable and feasible intervention to disrupt sitting in students. Further investigation using a broader representation of the university population is needed prior to implementation.