I agree Donna with Donna in fact there have been cases of DVT in Business and First class pax. It is the prolonged immobility that is main risk for DVT rather than 'cramped conditions' in economy class. Economy class syndrome is a definite misnomer.
Helen
OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html
CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH