Swim Spa Me?...Why swimming may be the best exercise as you age
Great Article About Swimming and Aging
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Why swimming may be the best exercise as you age
By Karen Rowan
Swimming develops strong and stable core muscles, which are necessary for good balance control. (Adam Pretty/Getty Images)
Falling down and getting hurt is a big problem for older adults, and researchers think that physical activity may lower people’s risk of falls. But now, a new study suggests that the only type of exercise that lowers older adults’ risk of falls is swimming.
Researchers in Australia looked at about 1,700 men age 70 and older, and compared the types of exercise they did with their likelihood of experiencing a fall over a four-year period. There were nearly 2,700 falls during the study.
The 88 men in the study who swam were 33 percent less likely to fall compared with all other men in the study. In contrast, men who did other forms of exercise — including golfing, doing calisthenics, working out on treadmills or stationary bikes — were no less likely to fall, the researchers found.
“Unlike [with] land-based sports, swimmers are required to create their own base of support and, at the same time, to produce a coordinated movement of both upper and lower extremities,” said study author Dafna Merom, an associate professor of physical activity and health at the University of Western Sydney.
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A new study says swimming may help seniors with balance. (David Goldman/Associated Press)
The researchers also found that the swimmers did better on a test of “postural sway,” compared with the average of all men in the study. In this test of standing balance, a person is asked to stand as still as possible for 30 seconds, and researchers measure how much his or her body moves at the waist level.
Falling is a major problem for older adults. Some falls can cause broken bones, head trauma and other severe injuries, but even less serious falls can lower people’s mobility while they are recovering and lead to other problems. Among U.S. adults 65 and older, one in three experience a fall in a given year, according to the Centers for Disease Control and Prevention.
The new study is the first to compare various types of physical activity for their ability to prevent falls, the researchers said. Further studies are needed to confirm the findings, Merom said.
The most common form of exercise that older adults engage in is walking, but studies have shown that walking does not lower the risk of falls, the researchers said in their study, which was published in the American Journal of Epidemiology.
The researchers asked the men what types of physical activity they had done in the past week; they followed up with phone calls every four months to ask the men if they had fallen and, if so, how many times. The men were also given tests that measured their walking speed and balance. The men were all living in communities in suburban Sydney and not in nursing homes.
Any sort of body movement requires balance, Merom said. The question the researchers wanted to look at is whether some forms of physical activity might provide an advantage when people need a quick neuromuscular response to regain their balance.
Although the study included only men, it is likely that swimming also lowers women’s risk of falls, Merom said. “I would expect it will work even better for women,” given that women generally have less muscle strength than men, she said.
The results show a link, but not a cause-and-effect relationship, between swimming and a lower risk of falls, Merom noted. For example, it could be that men with good leg strength and control of their posture are more likely than others to participate in swimming.
There is reason to think that swimming does work to prevent falls, she said. Swimming develops strong and stable core muscles, which are necessary for good balance control — a major protective factor against falls.
The data suggested that cyclists may also have a lower risk of falls, but there were too few cyclists in the study for the researchers to know for sure whether there was an effect, Merom said.
Different types of physical activity may benefit people in different ways, she said. For example, dancing may help with gait speed and reaction time.
“My view is that as people age, they should select and regularly participate in complex motor activities, and not only in functional walking,” she said.
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