The importance of increased physical activity and enhanced fitness in children and youth cannot be overemphasized. Which of the following refers to cardiovascular fitness?
1) The physical makeup and the amount of lean body mass compared to the amount of body fat.
2) The ability of a joint to move through its range of motion (flexibility).
3) The ability to perform moderate to high intensity exercise for prolong periods of time.
4) How much force a muscle group can generate and how effectively the muscle group can sustain that force over a period of time.
