There have been studies that show walking gives a cognitive boost with respect to creativity. Some related to increased blood flow. For me it's that act that h

There have been studies that show walking gives a cognitive boost with respect to creativity. Some related to increased blood flow. For me it's that act that helps, plus gathering stimuli you don't have at your desk which may bump you over a hurdle. Whiteboards only tend to help me when I get to a problem I can't hold in short-term/working memory.