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.
1 Aerobic: Jogging, using an elliptical machine, and walking fast are all examples of aerobic exercise. 2  As you get your heart pumping, the amount of oxygen in your blood improves, and endorphins, which act as natural painkillers, increase.o when you're planning your exercise routine, make sure it incorporates the following types of exercise 1  : Aerobic: Jogging, using an elliptical machine, and walking fast are all examples of aerobic exercise.