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Introduction to Modern Hydrotherapy
Hydrotherapy as a modality for rehabilitation has a long history and is as important today as it was in the past. With the current upsurge in the popularity of hydrotherapy physiotherapists are encouraged to use water, making the most of its unique properties. Hydrotherapeutic techniques must be learnt and new ideas explored and developed.
Water is fun! The majority of people enjoy water and it is an integral part of life. Water allows us all to achieve marvelous feats of movement that can be performed on land only with difficulty if at all.
New knowledge regarding the physiology of hydrotherapy and new techniques using patterns of movement adapted to water and more water-specific exercises are ensuring that Hydrotherapy is becoming increasingly accepted as a medium for rehabilitation in its own right. To go into water - one of only two environments available to the human - is a unique experience. Here the body is simultaneously acted upon by two forces, gravity (downthrust) and buoyancy (upthrust) providing us with the possibility of three dimensional exercise not available in the medium of air, and makes possible movement and non-weight bearing exercises before they are possible on dry land.
Greater awareness of the advantages of activity in water, has resulted in increased numbers of hydrotherapy facilities, and physiotherapists are becoming increasingly knowledgeable and skilled in the application of hydrotherapy techniques as an adjunct to general fitness and performance.
The uniqueness of water lies mainly in its buoyancy, which relieves stress on weight bearing joints and permits movement to take place within reduced gravitational forces, thus non-weight-bearing activities can be countenanced before they are possible on land. The physiological effects of exercise combined with those brought about by the warmth of the water are one of the advantages of activity in this medium. The outcome of immersion in warm water is similar in adults as children and is related to body temperature, circulation and the severity of exercise, with variations allowing for size, health and condition. The body possesses mechanisms for regulating its heat, and the maintenance of balance between the production of heat and heat loss. A distinction has to be made between the core temperature of the body and that of the periphery, but under standard conditions body temperature remains remarkably constant. Fine dermal changes in body temperature do occur throughout the day and vary across different parts he body. Factors such as exercise, emotional disturbance and extremes of environmental temperatures may affect it, as well as age.
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