How low level laser therapy works

How does laser therapy reduce pain and promote healing?

Low level laser therapy (LLLT) works at the cellular level by accelerating the body’s natural healing mechanisms.

The effects of low level laser therapy are photochemical. Cells in the body have light sensitive chemicals called cytochromes.  These chemicals are located in energy compartments in the cell called mitochondria. 

Holding the laser device directly on the skin over the injured area for a period of several minutes, a beam of light penetrates the tissue into muscles and joints.

When LLLT light penetrates deep into tissue it stimulates the cytochromes in the mitochondria to produce a natural chemical compound known as ATP (adenosine triphosphate). ATP stores the energy that fuels the body’s cells and heals tissue. The increased production of ATP brings oxygen-rich blood to the injured area, reducing stress and accelerating healing. As tissue is repaired, the patient experiences pain relief and reduced inflammation.

Physiological effects of low level laser light at the cellular level:

  • Increased blood flow
  • Decreased inflammation
  • Stimulated healing

 

Source: Laser Therapy Clinical Practice and Scientific Background Jan Tuner & Lars Hode 

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