IFC is an electronic deice used to stimulate nerve endings in deep tissue in order to relieve pain, stop muscle spasms, increase blood flow and support healing. IFC is a technology used to treat many muscle, soft tissue and nerve diseases or injuries.

IFC is similar to TENS, but uses two medium frequencies targeted at a specific point instead of one frequency focused on a larger area. Electrodes are placed on the skin around the injured area. Users experience a slight tingling sensation with treatment.