July 2012

Spas, Hot Tubs and Hydrotherapy

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What exactly is Hydrotherapy?

Hydrotherapy is a water therapy and has been used since the ancient Greeks and Romans treated various ailments with it. When you combine hot water and air, you have a formula that can massage away the aches and pains of the day.

This natural therapy is currently used by hospitals, physical therapists, athletic trainers, and physiotherapists and has been for several years now.

There are three main elements that make hydrotherapy effective: heat, massage, and the weightlessness when submerged in water.


By immersing the body in hot water, you raise the core body temperature and dilate the blood vessels. This improves circulation and allows the body to speed up the healing process.


Using water and air pumped through air jets, your spa or hot tub can effectively massage the tissues of the body. Massage can relax tight muscles and stimulates the body to release endorphins, natural painkillers produced by the body.


When the human body is submerged in water, 80-90% of body weight is reduced due to the buoyancy created by the density of the water. This reduces stress on joints and muscles and creates a very relaxing environment.

What to expect during hot tub or spa hydrotherapy.

After about 5 minutes your heart rate will begin to slow and blood pressure decrease due to the increase in core body temperature and dilation of blood vessels.

After about 8 minutes your hands and feet begin to feel warmer as circulation continues to improve.

After about 12 minutes your muscles start to relax and become more pliable. Stretching become easier and your body starts to release and remove lactic acid and other body toxins.

After about 15 minutes, body aches and pains will often diminish in strength and severity.


You should not spend more then about 15 minutes in hydrotherapy sessions because prolonged exposure to heat and massage can sap the body’s energy making exit from a hot tub or spa very difficult or even impossible, and your core temperature can continue to rise and become very dangerous.

NEVER use your spa or hot tub alone.

More on hydrotherapy in a later post…