摘要:Physical activity (PA) is an importantmodifiable risk factor for endometrial cancer (EC).PA has been studied using diverse measuresincluding metabolic equivalent of task MET,duration, frequency and subjective levels, but forpractical reasons most of epidemiological studiesuse questionnaires rather than objective measures todocument PA. Moderate-intense daily PA has aprotective effect and have a 20-40% reduced risk ofEC. In this rewiev complex and variable behaviour,and the ability of epidemiological studies todetermine the relationship between PA and EC hasbeen discussed.