At Microsoft's E3 2012 press conference, Nike was announced as a new partner in a fitness initiative for Kinect, with a holiday release expected for Nike+ Kinect Training.
The game, which apparently features some of Nike's own top coaches, is described as "a custom training program rooted in elite Nike fitness and specifically designed to help athletes of all levels reach their potential in the comfort of their own homes".
The training title uses Kinect to watch and analyse "how your body moves, assess your physical strengths and athleticism, identify areas for improvement, and create a personalized workout plan to help you achieve your personal best", and is apparently suitable for all levels of fitness and goals. It provides real-time feedback to make sure positions and movements are correct.
Look for it during the 2012 holidays, exclusively for Kinect; check out a couple of screens below. We'll have a trailer for you ASAP.