It's not the evolution the title leads you to believe, but this fitness product is a good first step at using Kinect as an exercise tool.
Your Shape: Fitness Evolved Impressions - GameSpot
Your Shape Fitness Evolved (2010) - Full Gameplay / XBOX 360, Kinect, HD, 1080p
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Your Shape Featuring Jenny McCarthy (2009) - MobyGames
Your Shape: Fitness Evolved Review - GameSpot
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Your Shape: Fitness Evolved Review - GameSpot