potentially fatal---workouts.) One of the best exercises for the upper
body (and
lower body AND cardio) of course, is swimming which fits in well with your triathlon plans. I don't have a Wii, but when I visited a friend recently, her kids were doing it and it looked like a blast! When finances permit, I may get one, too, so I'll be curious to others' replies to your inquiry re: whether it is useful.
Good luck with reaching your goals, and again, welcome!