AFFECTIVE FORECASTING 351 time course of their emotions would be unknown. Wilson, Wheatley, Meyers, Gilbert, and Axsom (2000), for example, found that college sports fans overestimated how happy they would be the day after their favorite team won a football game.
Cardiorespiratory endurance is one of the most important components of physical fitness. Cardiorespiratory endurance is usually measured in terms of maximum oxygen uptake (VO2max) or peak VO2.
To improve cardiorespiratory endurance dur-ing a low-to moderate-intensity activity such as walking or slow swimming, you should exercise for 45â60 min-utes. For high-intensity exercise performed at the top of your target heart rate zone, a duration of 20 minutes is sufï¬ cient.