en_captions:  A man is sitting on a workout bench while a crowd watches.  People in the crowd are taking photographs and video.  Two announcers talk about boxing.  The man begins doing situps on the bench.  The man gets off the bench and folds a towel on the ground.  The man grabs a crunch wheel and begins to do rolling crunches.  The man then pauses briefly to acknowledge the crowd.  The man then returns to doing his exercise.