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 Free weight training is considered the most effective form of resistance exercise, as it engages secondary muscles (stabilizers) and leads to more effective muscle growth. 2  Weight Machines -- Every gym has dozens of weight machines--Pec Deck, Cable Machine, Leg Extension machine, etc.