Answer:
The definition of epigraph according to the Merriam-Webster dictionary is "an engraved inscription."
Athletes are at risk of exercise-associated hypothermia because of the temperature (surroundings) of where the athlete is exercising. Also doing extreme things like doing anything in the cold that athletes have to overcome can be why they are more likely to get hypothermia.
Summary because of the cold conditions they are playing or doing the activity.
Well in my opinion it seems to me it would be incredulous