 <p>For what i know Microsoft kinect for windows SDK does not best to detect open and close hands. Microsoft provides tracking of 20 <a href="http://i.msdn.microsoft.com/dynimg/IC584844.png" rel="nofollow">body</a> parts and does not include the fingers of the hand. You can take advantage of the kinect interactions for that in an inderect way. This tutorial shows how: <a href="http://dotneteers.net/blogs/vbandi/archive/2013/05/03/kinect-interactions-with-wpf-part-iii-demystifying-the-interaction-stream.aspx" rel="nofollow">http://dotneteers.net/blogs/vbandi/archive/2013/05/03/kinect-interactions-with-wpf-part-iii-demystifying-the-interaction-stream.aspx</a></p> <p>But i think the best solution when tracking finger movements would be using <a href="http://www.openni.org/" rel="nofollow">OpenNI</a> SDK.</p> <p>Some of the <a href="http://www.openni.org/software/?cat_slug=file-cat1" rel="nofollow">MiddleWares</a> of OpenNI allow finger tracking.</p>