Myofascial trigger points — those exquisitely tender knots in a taut band of muscle — are a common source of neck pain and tension-type headache. Massage therapists work on them constantly, but good placebo-controlled evidence that trigger-point massage actually changes the trigger point has been surprisingly scarce. This trial set out to test it properly.
Sixty-two people with episodic or chronic tension-type headache and active trigger points were randomly assigned to one of three groups: real trigger-point release massage, a sham (fake ultrasound) placebo, or a wait-list with no treatment. Sessions ran twice weekly for six weeks (12 sessions). The key measurement was pressure-pain threshold — how much pressure a trigger point can take before it becomes painful — measured with a pressure gauge before and after the first and final sessions.
Pressure-pain threshold is an objective way to check whether a trigger point has actually desensitised, rather than relying only on how the client says they feel. A placebo-controlled design helps separate the genuine effect of the technique from attention and time.
A focused neuromuscular soft-tissue technique: sustained pressure (ischaemic compression) applied directly to active trigger points in the upper trapezius and suboccipital muscles at the base of the skull and top of the shoulders.
A sham ultrasound placebo (the machine was applied but delivered no active treatment) and a wait-list control who received no hands-on treatment, so any real change could be distinguished from expectation and the passage of time.
The trigger points genuinely became less sensitive with massage — and the benefit built up over the course of treatment.
Pressure-pain threshold increased at the treated trigger points in the massage group, but not in the sham or wait-list groups — a genuine, technique-specific effect.
The benefit came from precise ischaemic-compression work on specific trigger points in the upper trapezius and suboccipital muscles.
There was an immediate increase in threshold after a single session, plus a further cumulative, sustained increase built up across the full 12-session course.
Because a sham-ultrasound placebo and a no-treatment group both failed to improve, the change reflected the massage itself rather than attention or time.
Focused trigger-point release massage genuinely desensitises myofascial trigger points — you get an immediate benefit from a single session, and a bigger, lasting benefit that accumulates over a course of treatment. Sham treatment and simply waiting did not do this.
Trigger-point work is a cornerstone of hands-on musculoskeletal care, and this trial offers some of the cleaner evidence that it does what practitioners believe: it makes tender trigger points measurably less sensitive. Importantly, it also supports the value of a course of treatment rather than a single visit, since the effect grew with repeated sessions.
For clients with neck tension and tension-type headache linked to trigger points, that’s a practical, encouraging message — and a reason to commit to a treatment plan rather than expecting one session to fix everything.
Directly supports focused trigger-point release as an effective, measurable technique for myofascial pain — and supports recommending a course of sessions for cumulative benefit.
Reinforces ischaemic-compression trigger-point work on the upper trapezius and suboccipitals as a core tool for neck-related tension and headache.
Adds objective (pressure-pain threshold) evidence that soft-tissue trigger-point work desensitises tissue, complementing active rehabilitation.
Useful for managing trigger-point-driven neck and shoulder tightness in active clients, as part of a broader treatment and training plan.
This was a moderately sized single-centre trial focused on people with tension-type headache, so the findings apply most directly to that population and to the specific muscles treated. The main outcome was pressure-pain threshold — a good objective marker of trigger-point sensitivity, but not the same as long-term headache relief or function in daily life, which need their own measurement. Blinding is also inherently tricky in hands-on trials.
Even so, the placebo-controlled design makes this a solid piece of evidence that trigger-point massage produces a real, technique-specific change rather than just a placebo response.
In 62 people with tension-type headache and active trigger points, focused trigger-point release massage significantly raised the pressure-pain threshold of treated trigger points — with an immediate benefit after one session and a larger, sustained benefit accumulating over 12 sessions — while sham treatment and a wait-list did not improve.
For remedial massage therapists, myotherapists and physiotherapists, this supports precise trigger-point work as a genuinely effective technique for myofascial pain, and backs recommending a course of treatment rather than relying on a single session.
Responsiveness of Myofascial Trigger Points to Single and Multiple Trigger Point Release Massages: A Randomized, Placebo-Controlled Trial and Moraska AF, Schmiege SJ, Mann JD, Butryn N, Krutsch JP. Am J Phys Med Rehabil, 2017.
