INFOGRAPHIC 16.2Types of Exercise and Physical Activity Recommendations for AdultsA fitness program should regularly include all four types of exercise. For those with low baseline physical fitness, aerobic exercise for a shorter time, or at a lower intensity than recommended, can still result in improved fitness.
Morsa Images/Getty Images
Michael DeYoung/Getty Images
Adrianna Williams/Getty Images
Take A Pix Media/Getty Images, Michael DeLeon/Getty Images, Vasko Miokovic Photography/Getty Images, Jeremy Rice/Getty Images.