re: Standing: is it that it presents the appearance of efficiency for managers and customers outweighing humanitarian concerns for workers' physical conditions?

The complete drawing series may be viewed at www.eiliscrean.com


 Seating At Work

Irrespective of affects on job performance, the majority of menial workers in the USA are not afforded an option to sit during work shifts:

http://www.huffingtonpost.com/2012/06/05/cvs-lawsuit-chairs-seats;

and
http://britintexas.hubpages.com/question/176312/should-retail-workers--cashiers--etc--be-allowed-the-option-to-sit-down-to-work.

While reports apparently contrary to the issue can be acknowledged:
http://www.huffingtonpost.com/2012/07/24/sitting-at-work-why-its-dangerous-alternatives_n_1695618.html,

elsewhere regulations promoting health and safety provide for more considerate physical conditions:
http://www.safeworkers.co.uk/standing-for-long-periods.html