Image: FreeDigitalPhotos.net Well technically, it’s not a muscle, but the answer is…your brain!  While we often say we are working out our muscles, they are not necessarily the brightest things in the world.  Muscles really only know how to do two things: 1)      Contract 2)      Relax So how are we able to miraculously coordinate the muscles in our body to do complex movements like walking (think about how many things move when you walk!), playing sports or even getting out