The minimum points to “activate” by means of an Active Patch 4U are :
N°1: Point located on the front face of the thorax, one-third down from the neck, in the centre of the sternum.
N°2: Points located on the posterior face of the thorax, at mid-shoulder blades, halfway between the shoulder blades and the spine.
N°3: Points located at the level of the tip of the shoulder blade (scapula).
N°4: Points located at the bottom of the dorsals and at the start of the lumbars, 3 cm below the previous Active Patch 4U.