Being able to feel tissue tension barrier is the one most crucial aspect for a clinical orthopedic manual therapist performing deep pressure massage. From a mechanical standpoint, it is only pressure beyond the tissue tension barrier that effects therapeutic change (this is not necessarily true neurally).
Deep Pressure Massage to the Low Back – Tissue Tension Barrier
Being able to feel tissue tension barriers is the one most important hands-on skill that an orthopedic manual therapist needs. Clinical orthopedic manual therapy (massage and stretching) only effects change if we reach tissue tension and then apply slightly more force beyond it.