I nfrared radiation therapy  is a modality widely used in Physiotherapy to manage pain. It is a part of electrotherapy in which an infrared lamp emits IR rays. When our body absorbs these IR rays, they produce a heating effect, which is beneficial in several musculoskeletal...
Infrared (IR) is the electromagnetic radiation that has a wave length longer than visible light but shorter than visible light but shorter than microwave radiation. IR wavelengths are between 760nm (0.76µ) and 1m and can be further divided into short wave infrared, medium wave...