Maximal pressure for the effort used is achieved if the angle of your force into the client is perpendicular to the contour of the region being worked. To apply this concept of working perpendicularly, the client’s back and pelvis can be divided into separate regions based on the curve of each region.
Neck Deep Pressure Massage: Step by Step – Apply Pressure Perpendicularly
When performing deep pressure massage into the neck, maximal pressure for minimal effort is achieved if the angle of your pressure into the client is perpendicular to the contour of the neck where you are working.