Many pathologies which afflict the muscular system are at depth. When the cause of a pathology is at such depth, it becomes difficult to reduce the pain. In these cases laser therapy is of fundamental importance: the beneficial effects it can bring about facilitate optimal physical recovery.
An advantage of laser therapy is its ability to work at depth and to resolve the cause of the pathology at its point of origin. This characteristic can be attributed to two properties of the laser: wavelength and power.
As is known, different wavelengths have different properties in terms of diffusion and absorption by human tissues, and for each therapeutic objective it is possible to select the most suitable wavelength.
The emission power also increases the effectiveness of the laser, transmitting the beneficial effects to great depth. The greater the power transferred to the tissues, the greater the energy transmitted to the injury.
Therefore power is the main carrier in the transfer of energy.
Interaction between power and depth (with the same wavelength)
The ability of the laser to penetrate to depth is often incorrectly attributed to only the wavelength.
In reality, the power has a fundamental role in the therapeutic action of the laser on tissues.
It is known that the power (Watts) represents the quantity of energy which can be transferred in one unit
of time (1 Watt = 1 Joule for 1 second). Energy reduction is inversely proportional to the reference depth.
Greater power transmits more energy, overcoming the natural dispersion of the laser and reaching the seat of
the injury (see diagram opposite).
The more energy transferred, the greater the quantity which can be assimilated by the tissues.
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