Am I Actually Exercising While Playing Wii Sports?

Anyone who's played games like Wii Sports know their potential to get you working up a sweat - but is it excersize?

Wii Video Workouts Don't Beat Real Sports - The New York Times

The Wii Sports Resort Review

Wii Sports Games – Why the Nintendo Wii is Great for Sports Video Games

Wii Sports/Resort is timeless… : r/wii

Exercising with Wii Fit

Kotaku Australia See Games Differently

Does Wii Fit actually work as a workout tool? – Orange County Register

Wii Sports Review - GameSpot

Wii Exercise Bike: Biggest Game Controller Ever?