Almost all are physical
My wife just got Wii fit and she has been sore from it for a couple days so it must be working. When we first got it I was playing alot of Tiger Woods 2008 and you actually have to swing the club and everything. Sadly, admittedly I was sore for the first couple days. I don't know if that speaks to the physicality of the game or the shape I am in but it was definitely exercise.
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