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Therapies » Physiotheraphy » Infrared radiation

The visible spectrum of light is between 400 mm to 770 mm. The electromagnetic rays beyond 770 mm to 1000 mm are termed as infrared radiation. The visible spectrum light can penetrate the skin to reach deep tissues. The infrared radiations can reach only up to superficial skin. When these radiations hit the body, the radiant heat is converted into heat. This heat is supposed to induce improved blood supply in the superficial tissues. It is speculated to have sedative effect (?) on the sensory nerve endings, which helps in pain relief and relieving muscle spasm.
 
Advantages
  1. Any part of body can be treated, but the patient must be positioned so that the rays strike the part at 900C for maximum absorption
  2. .Useful for domestic therapy in view of portability and ease of handing.
Disadvantages
  1. Tissues are heated directly on one aspect only.
  2. Patient should remain in one position throughout the treatment

 
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