Engaging in or watching intense physical exertion provides a release of endorphins.
The entertainment value of these practices—whether fitness-based or sensory—stems from a few core psychological drivers:
In the lifestyle and wellness space, the term is often used metaphorically to describe high-intensity core workouts.
In professional settings, this is choreographed as a form of "victimless" physical comedy or sensory performance, focusing on the boundary between pleasure and discomfort. Psychological Appeal