Place the XLR8 over the area of involvement (AOI). The clinician may choose to (#2) laser over the nerve root (located using the myotome/dermatome chart) or the organ involved (using the Merrick chart).
The first FDA clearance for Erchonia (and the entire Laser Therapy industry) was in 2002 for Neck and Shoulder Pain.
There are many effective pain protocols and frequencies involving Upregulation and Therapeutic dose.