Thermotherapy is a discipline that is included within physiotherapy and is defined as the art and science of treating diseases and injuries by heat.

The heat can be applied therapeutic radiation, conduction or convection using various methods, from infrared to paraffin applications and can be applied at surface or deep tissue levels (see also high frequency electrotherapy).

Thermotherapy is a valuable therapeutic tool in many trauma and rheumatism, one of its immediate main effects, pain relief.

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