Swimming exercises almost every muscle in the body. The arms and the trunk are worked more than the legs, since the more traffic is generated by the arms. In competitive swimming, excessive muscle mass of the legs can be regarded as a disadvantage since they consume more oxygen which is necessary for the arm muscles. The most common reasons for starting swimming are recreation, exercise and athletic training. The recreational swimming is a great way to relax, while making a workout schedule of four exercises.
Swimming is an aerobic exercise because of relatively long operation requiring a constant supply of oxygen to the muscles with the exception of small sprints where muscles operate anaerobically. As with many other aerobic exercises, it is believed that swimming reduces the harmful effects of stress, while aerobic exercises help in burning fat and help in losing weight. Also, due to the cold water, one will burn more calories to maintain a constant body temperature.
Swimming is an excellent form of exercise. Because the density of the human body is similar to water, the water supports the body so that the joints and bones do not incur much. Swimming is also frequently used as an exercise for rehabilitation after injuries or for people with disabilities. It is suitable for all ages and is also a good start of kinesiology for young children to learn to use all their limbs in harmony.