One of the things I briefly referenced in the previous post about cold stimulation of the vagus nerve is the relationship between muscle tension and relaxation paired with parasympathetic activation.
Tensing Muscles to Relieve Tension and Relax... I'm Serious
Updated: Jan 4
i use this technique as well! i've found the face ones to be really relaxing for me. as someone with "resting worried face", i tend to default to a tensed forehead/eyebrows 🙈