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Aqua aerobics
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The benefits of participating in a water based programme.
Water has long been used as a medium for exercise both
recreationally and to improve general fitness. Since the
exercise boom in the late 1970's water based non-swimming
activities have developed and increased in popularity. These
classes can be designed to suit many different levels not only
those who can swim. Indeed these classes are popular with less
confident and non-swimmers. Water-based classes prove to be
favourite amongst the elderly, pregnant and overweight as well
as the fitter person as part of their cross training programme.
The physical benefits of a water based exercise.
Buoyancy
This is responsible for the reduction of gravitational pull on
the body which can be as much as 90% when immersed, this
apparent weightlessness reduces compression, stress on weight
bearing joints and almost eliminates the risk of injury.
Resistance
Water is dense and offers resistance to movement in any
direction, combined with the non existent effect of gravity,
means all movements require concentric muscle action, eccentric
muscle action is mostly eliminated, and reducing muscle soreness
and stiffness often occurring in land based exercise. The
resistance provided by water is 12 times greater than air,
therefore any motion in water provides a greater overload than
dry land, moving in water at speed is approximately 3 times as
hard. This can be used as sports specific training for running
as the lack of impact reduces the chances of injury.
Hydrostatic Pressure Pressure of water on the
legs will increase blood flow to the heart and aid Venus return.
Also the pressure increases stroke volume thereby increasing
cardiac output and improving circulation. Water pressure on an
injured part will force fluid from the cell into the circulatory
system and thus reduce swelling.
These are the three main elements that benefit the individual in
any water-based activity. The classes held at Greenacre Leisure
are suitable for any level of fitness from beginner to advanced
and will improve co-ordination, balance and general fitness. All
this from 45 - 60 minutes of fun!
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copyright greenacre leisure ©2004  
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