Sunday, June 21, 2009

SWIMMING


ABOUT SWIMMING

Swimming is movement through water, usually without artificial assistance. Swimming is an activity that can be both useful and recreational. Its primary uses are bathing, cooling, travel, fishing, escape, exercise and sport.
Swimming is an excellent form of exercise. Because the density of the human body is very similar to that of water, the water supports the body and less stress is therefore placed on joints and bones. Swimming is frequently used as an exercise in rehabilitation after injuries or for those with disabilities.
Resistance swimming is one form of swimming exercise. It is done either for training purposes, to hold the swimmer in place for stroke analysis, or to enable swimming in a confined space for athletic or therapeutic reasons. Resistance swimming can be done either against a stream of moving water (often termed a swimming machine) or by holding the swimmer stationary with elastic attachments.
Swimming is primarily an aerobic exercise due to the long exercise time, requiring a constant oxygen supply to the muscles, except for short sprints where the muscles work anaerobically. As with most aerobic exercise swimming is believed to reduce the harmful effects of stress. Swimming can improve posture and develop a strong lean physique, often called a "swimmer's build."

2 comments:

CINTAMANISZ Lite said...

tingin betul nak pandai berenang. Tak terer pun tak pe laa..asalkan leh berenang, hehe.
Tapi minda ni kalo dh dlm pool..alahai, takutnya nak mencuba. Sikit2 leh laa.

sports said...

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