Most people overestimate their exercise level, studies show If I were to ask you how active you are, what would you say? Do you consider yourself to be active and productive on most days of the week? Do you meet the recommended minimum of 150 minutes of moderate physical activity per week? Would you go so far as to say that you exercise frequently? Each month, the polling institution, Gallup, tracks survey data from individuals about their exercise and activity habits. One question Gallup asks is: “In the last seven days, on how many days did you exercise for 30 or more minutes?” If a respondent did so on three or more days out of the past seven, he or she is considered a frequent exerciser. Another question asks individuals to rate, on a scale from 1 to 5, how strongly they agree with the statement: “In the last seven days, you have felt active and productive every day.” A score of 4 or 5 counts them among the “Active and Productive” group for the survey. For the month of August 2015, 47 percent of respondents reported exercising frequently, while 67 percent said they felt active and productive. What’s the True Picture? Unfortunately, objectively measured data tells quite a different story. In a 2013 study published by the American College of Sports Medicine, researchers asked 1,751 adults aged 19 to 84 to complete the International Physical Activity Questionnaire (IPAQ), indicating their active and sedentary time, and breaking down their active time according to level of intensity (vigorous, moderate and “walking”). The researchers had the participants wear an accelerometer for seven continuous days to measure actual minutes of activity and sedentary time, as well as intensity of active minutes. The...