Infra-red rays
Infra-red rays are electromagnetic waves, the heat energy obtained from the rays are used to relieve pain.
Infra-red Rays Generators (2 types)
- Non-Luminous Generator
- Luminous Generator
Where useful?
- Pain
- Muscle strain and pain
Where it should not be used?
- Defective Blood Supply to the area (eg. In case of diabetes)
- Any Blood loss
- Defective skin sensation (nerve damage)
Advantages
- Relief of Pain
- Muscle relaxation
Disadvantages
- Burns
- Electric Shock
- Overdose headache
- Injury to eyes
- Faintness