Sitting and standing for extended periods both have their perils. However, given that we're built for long distance walking, that might be more optimal: http:

Sitting and standing for extended periods both have their perils. However, given that we're built for long distance walking, that might be more optimal: http://healthland.time.com/2011/04/13/the-dangers-of-sitting-at-work%E2%80%94and-standing/ http://healthland.time.com/2011/04/13/the-dangers-of-sitting...