My friend, the illustrator Kirill Abdrakhmanov shared the animation „Why sitting is bad for you“ which illustrates the implications of sitting for breathing.
View the video here: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilinc
Source: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilinc