Regional blood flow during periodic acceleration,10.1097/00003246-200110000-00022,Critical Care Medicine,Jose A. Adams,Martin J. Mangino,Jorge Bassuk,

• ...Aerobic exercise produced no change is liver blood flow, decreases ranging from 36% to 63% in kidney, stomach, small intestine and spleen blood flows whereas periodicaccelerationcausedan86%increaseinliver blood flow and increases ranging from 53% to 72% in stomach,smallintestine,andkidneybloodflowsbut no change in spleen blood flow [29,30]...
• ...Aerobic exercise achieved with treadmill for 20 min at 70% maximum heart rate and to exhaustion produced no change in cerebral and brainstem blood flows whereas periodic acceleration increased cerebral and brainstem blood flows 180% above baseline [29,31]...

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