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.
The four main types of physical activity are aerobic, muscle-strengthening, bone-strengthening, and stretching. Aerobic activity is the type that benefits your heart and lungs the most. Aerobic activity moves your large muscles, such as those in your arms and legs. Running, swimming, walking, bicycling, dancing, and doing jumping jacks are examples of aerobic activity. Aerobic activity also is called endurance activity.