Athletes Can Benefit From Water Training
Experts Say More Athletes Can Benefit From Training in the Water
By Ira Dreyfuss
Associated Press Writer
1-20-03
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WASHINGTON –– Aquatic exercise programs
are not just for grandmas riding foam floats. Water
is good for athletic training, too, and experts say
more athletes are making use of it.
Runners, tennis players and other competitors find
that the resistance from aquatic training gives them
more of a workout than using weights or treadmills,
said researcher Mary Sanders of the University of
Nevada, Reno.
Most aquatics participants are still "our traditional
older women," but an increasing minority in both
sexes range from the 30s into the 50s, said Laura
Slane, an aquatics consultant for YMCA of the USA,
the YMCA's national headquarters.
Retirees dominate pools in the daytime, and the working-age
crowd typically takes over after 6 p.m. The national
Y, although it is a leader in aquatics, does not keep
track of the ages of participants.
Younger athletes also train in the water. Teenage
tennis players at the Universal Tennis Academy, a
club in the Atlanta suburb of Marietta, Ga., practice
in a pool.
"Tennis is about 70 percent lateral movement,
so I have them doing quick change-of-direction drills,"
said trainer Bethany Diamond. Those drills are safer
than they would be on land because players can't fall
– they float – so it's very hard to twist
an ankle, she said.
The players also practice their strokes in the pool,
using old rackets they don't mind getting wet, Diamond
said.
Diamond has trained with basketball players, who
work on their jumps – the bouyancy of the water
cushions their falls and protects their knees.
A person jumping in waist-deep water gets only half
the impact that would be felt on land, and the impact
is only 8 percent at shoulder depth, Sanders said.
Many athletes discovered the benefits of water because
aquatic exercise was prescribed as rehabilitation
after they got hurt in their sport.
But the benefits go far beyond rehabilitation, because
the resistance makes working out in water harder than
working out on land, Sanders said. For instance, a
130-pound person running an 11-minute mile pace would
burn 8 calories per minute on land but up to 15 calories
in deep water.
Studies have found benefits for aquatic training.
In one new but small study in Finland, 11 women with
an average age of 34 participated about twice a week
in a 10-week program that used boots, which added
resistance in the water.
The women improved their kicking movements by 26
percent, according to the study published in the December
issue of the journal Medicine and Science in Sports
and Exercise.
It's easy to vary the resistance in water –
a person who wants a tougher workout simply works
in the deeper end. Using paddles or similar equipment
also ratchets up the resistance.
But it's also easy to relax: just float.
And while land workouts provide one form of resistance
– against the pull of gravity – water
workouts provide resistance in any direction. That's
a tremendous advantage in sports training, Diamond
said, because athletes strengthen their muscles in
exactly the motions they'll need in their sports.
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