You learned light, moderate, and deep pressure in massage school. Almost nobody defined them. Ask ten therapists what "moderate pressure" means in grams and you'll get ten different answers — because it was never actually taught as a number, just as a feeling you were supposed to develop over time.

This class replaces the feeling with the number, and then goes further: it asks whether some of what you were taught your hands can do — reshaping fascia, locating trigger points with precision — actually holds up against what's been tested.

What "light, moderate, and deep" actually mean

Pulled from Dr. Jean-Claude Guimberteaus research: roughly 3–10 grams to palpate the epidermis, 150–200 grams for middle tissue, 250–400 grams for deep tissue. You'll practice locating each threshold on a real body, not guessing at it.

What fascia can and can't do under your hands

The evidence here has moved, and the class doesn't pretend otherwise. Rolfing performed under anesthesia — removing any possible neural or voluntary response — produced no measurable change in the tissue, which is a serious problem for any theory claiming manual pressure directly reshapes fascia. Separately, the force required to permanently elongate collagen without tearing it is enormous by hand-therapy standards: for an 18mm section of iliotibial band, permanent deformation without damage takes 60kg of force sustained over an hour or more. Your hands, in a normal session, are not doing that. What the current research does support: fascia responds to hydraulic and fluid-dynamic changes — how oscillation and vibration move hyaluronic acid through the tissue — which is a different mechanism than "breaking up" or "releasing" adhesions, and a more interesting one.

Trigger points, examined skeptically

In 1992, four of the field's leading myofascial pain experts — the people who wrote the textbook — were asked to blindly locate trigger points in the same patients. They couldn't agree with each other. The study very nearly didn't get published because of how badly it went for the concept it was testing. This class doesn't tell you trigger points aren't real as a clinical phenomenon; tender spots clearly exist. It asks you to be honest about how much certainty the explanation actually deserves, and introduces pareidolia — the tendency to feel what you expect to feel — as a real confound in your own hands.

Hands-on labs

• Sponge and skin-tone detection lab — training your hands to feel fluid dynamics before you touch a person

• Accurate pressure lab — practicing the actual gram thresholds against real tissue

• Fascia lab — oscillation, vibration, and glide, tested against each other

• Stimulus point lab — palpating trapezius, gastrocnemius, or a client-identified area of pain, with lighter assessment and vibration added

What this class won't do

It won't hand you a more confident version of trigger-point theory or tell you that manual pressure reshapes fascia if you just find the right technique. Some of what gets challenged here may be foundational to how you were trained. That's the point of the class, not a side effect of it.

Who it's for

Licensed massage and manual therapists at any experience level, including anyone who's had a nagging sense that "light, medium, deep" was never really explained to them.

This can be taken on its own or as part of Creating Empathetic Touch, a series built around a better understanding of touch itself.