<prompt> Serious complication of prolonged sitting postureDysanythmiaHypotensionNerve paralysisVenous embolism  <response>: There is mounting evidence that prolonged cramped sitting in connection with long lasting air travel increases risk to DVT of the leg which prolongs to pulmonary embolism Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:236,237 