They learn to balance on one foot; walk on their tiptoes; and climb, hop and skip. Three-year-olds can pedal, use a handlebar and operate three-wheeled vehicles, such as tricycles, but they do not have the balance required to operate a bicycle with only two wheels.
There are a number of different types of group and individual exercise classes, each designed to fit one's preferences and goals for physical fitness. Group classes are some of the most common, and these are often aerobics classes, such as aerobic dance, aerobic kickboxing, SpinningÂ® classes, or even aqua aerobics classes.
What you can do. 1  Brisk walking, jogging, swimming, cycling and dancing are all aerobic exercises, most of which you can do at home. 2  You could join an aerobic class in your area. 3  See the related topic Exercise - check your pulse to find out how well you are doing in your aerobic exercises.