The 2008 Physical Guidelines for Americans indicates all of the following guidelines for adults except what?
a. 2 hours and 30 minutes each week of moderate intensity exercise
b. aerobic episodes of at least 40 minutes long spread throughout the week
c. muscle strengthening activities for all major muscle groups 2 or more days per week
d. older adults should follow the same guidelines if possible
Answer: b. aerobic episodes of at least 40 minutes long spread throughout the week
The 2008 Physical Activity Guidelines for Americans indicates all of these guidelines for adults except that the aerobic episodes should not be 40 minutes long spread throughout the week; rather, they should be at least 10 minutes long spread throughout the week.