1) Burns calories
Swimming burns lots of calories, anywhere from 500-650 per hour depending on how efficiently you swim and how buoyant you are (the more body fat you have, the more you float and the fewer calories it takes to swim). Very early and original research on swimming and calorie expenditure showed that swimming, regardless of the stroke, burned about 89% of the calories burned during running and 97% of the calories burned during cycling for the same time period. Stated another way, swimming burns about 11% fewer calories than running but only 3% fewer calories than biking. One important caveat about this data is that calorie expenditure is dependent on the intensity of exercise, and so it's entirely possible to burn more calories swimming than running in the same period of time as long as you swim hard enough, and particularly so if compared to running at light intensity.
2) Low impact
There's no ground impact when you swim, and so you protect the joints from stress and strain. In fact, the Arthritis Foundation strongly recommends swimming and water activities for this reason, so much so that they sponsor water classes all over the country. Water aerobics classes are also desirable for this reason, because even if you do jump and hit the bottom of the pool, you do so with less force because you're buoyant in the water. Not only that, but if you wear or hold a flotation device during a water aerobics class, the impact is even less.
3) An alternative when injured
When athletes are injured, particularly in the lower extremities, they are frequently told to swim to maintain their fitness level. Swimming helps them stay in shape, and it's even part of the rehabilitation. That's because the resistance of the water makes the muscles work hard without the strain or impact that is experienced on land.
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Swimming really gives us a lot of benefits in our life. |
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