Most people who have a trigger point know it exists because pressing it hurts and releasing it feels like something has been unknotted from the inside. Very few people know what it actually is, why it formed, or why it keeps coming back in the same spot. The answers are more interesting than you might expect, and they explain a lot about why trigger point treatment works the way it does rather than just being a massage that goes harder.
What Are Myofascial Trigger Points
Myofascial trigger points treatment starts with understanding what they are: a tight, irritable spot within a muscle that hurts when pressed and refers pain to a predictable location away from where it sits. The “myofascial” part refers to the muscle (myo) and the connective tissue surrounding it (fascia), and the trigger point involves both, not just the muscle fibres themselves.
What Is Happening in the Muscle
At the centre of a trigger point is a small group of muscle fibres that are stuck in a state of continuous contraction. These fibres are not doing this because the muscle has been asked to contract. They are doing it because a series of events at the cellular level has created a feedback loop that the muscle cannot break on its own.
Here is what that loop looks like in plain terms: when muscle fibres contract, they use energy and release chemical waste products. Normally the blood supply clears those waste products and delivers fresh oxygen. In a trigger point, the constant contraction compresses the local blood supply, cutting off the fresh delivery and trapping the waste products. The waste products irritate the local nerve endings, which signals more contraction, which compresses the blood supply further. Round and round.
This is called the energy crisis model, and it is the most widely accepted explanation for why trigger points form and why they are so persistent. The muscle cannot release because it is too contracted to let the blood flow that would allow it to release.
Why Trigger Points Refer Pain Elsewhere
One of the more confusing things about trigger points is that they rarely hurt most where they are. Press a trigger point in the upper trapezius and you feel it in the neck and head. Press one in the piriformis and you feel it down the back of the leg. Press one in the gluteus minimus and you feel it down the outer thigh.
This referred pain is not random. Each trigger point has a consistent referral zone that practitioners can predict with reasonable accuracy once they know which muscle is involved. The reason for this predictability is that the nerve irritation produced by the trigger point spreads along a path determined by how the nervous system is wired rather than where the pressure is applied.
This is why treating the spot that hurts is not always the same as treating the trigger point that is causing it. The headache at the temple is often in the trapezius. The knee pain is often in the quadriceps. The jaw tension is often in the neck. Following the pain to its actual source rather than its felt location is one of the things a trained trigger point therapist does that self-treatment cannot easily replicate.
Why Myofascial Trigger Points Form
Understanding how trigger points form explains why certain people get them repeatedly in the same muscles and why some situations create them faster than others.
Overuse and Repetitive Load
The most common cause is ongoing or repetitive muscle use without adequate recovery. Muscles that are asked to contract repeatedly or to hold a position for extended periods accumulate the microscopic cellular disruption that feeds into the energy crisis cycle. This is why trigger points are so common in the neck and upper back of people who sit at desks, the calves of runners, and the shoulder muscles of anyone who works with their arms raised.
The muscle does not fail suddenly. It accumulates. By the time the trigger point is noticeable as pain, it has often been building for weeks or months.
Acute Injury
A sudden injury, whether a strain, a fall, or a direct impact, can create trigger points as part of the muscle’s protective response. The muscle guards the injured area by contracting around it, and if that guarding contraction is held for long enough, the energy crisis cycle can establish itself. This is one reason why injuries that seem to have healed still produce pain weeks later, even though the original injury has resolved, because the trigger points created during the guarding phase have not.
Stress and the Nervous System
Psychological stress raises baseline muscle tension throughout the body, which means the muscles are starting from a higher level of contraction before any physical demand is added. People who are chronically stressed accumulate trigger points faster and more widely than people who are not, which is part of why a treatment that addresses the muscle itself, like trigger point massage, is often more effective for stress-related pain than approaches that only address the mind.
It is also why the same physical workload produces more trigger points during a stressful period at work than during a holiday. The body is not neutral. It carries what the mind is carrying.
Poor Posture Over Time
Muscles held in shortened or lengthened positions for extended periods are more vulnerable to trigger point formation. The hip flexors in a habitual sitter are shortened all day and accumulate trigger points as a result. The middle trapezius in a desk worker is overstretched and weakened trying to hold the shoulder blades back against the pull of a rounded posture. Both situations create different kinds of trigger points through the same process: constant load in a position the muscle was not designed to hold indefinitely.
How Treating Myofascial Trigger Points Works
Treatment works by breaking the energy crisis cycle, getting blood flow back into the compressed tissue so the muscle can receive fresh oxygen and clear the waste products that have been maintaining the trigger point.
Why Held Pressure Works
Applying firm, held pressure to a trigger point for long enough forces the tissue to respond. The pressure initially increases local compression but then, as the muscle begins to respond, the tissue softens and the blood flow compression is released. The trigger point does not disappear instantly. What happens is a gradual reduction in the intensity of the local sensation and the referred pain, followed by a broader softening of the muscle over the following 24 to 48 hours as the tissue repairs.
This is also why the hold time matters. A quick press and release does not give the muscle enough time to respond. Most trigger points need between 30 and 90 seconds of held pressure before they begin to release, and some need longer.
Why Some Trigger Points Come Back
Trigger points that are treated but not accompanied by any change in the conditions that created them tend to return. The muscle goes back into the same repetitive load, the same posture, the same stress level, and the energy crisis cycle re-establishes itself. This is not a failure of the treatment. It is the expected result of treating a symptom without addressing the environment that keeps producing it.
Regular treatment does two things: it resolves the active trigger point and, over time, appears to lower the muscle’s overall tendency to form new ones. Most people who get trigger point massage regularly notice that the points become less severe between sessions and take longer to reactivate. The frequency of sessions matters as much as the quality of any individual session.
What This Means for How You Treat Them
Knowing that trigger points are an energy crisis in the muscle tissue changes how you think about treating them.
Heat helps because it increases blood flow, which partially addresses the supply problem the trigger point is creating. Cold does not help in the same way and may make things worse by further reducing circulation to an already compromised area.
Stretching after treatment helps because it encourages the muscle fibres to return to their resting length following the release. Stretching before treatment, without addressing the trigger point first, is often less effective because the contracted fibres resist the stretch without releasing.
And understanding that the referred pain is a communication from the trigger point rather than a problem at the location where the pain is felt changes where you direct your attention. If the knee hurts, look at the quadriceps. If the head hurts, look at the neck and shoulders. If the shin hurts, look at the tibialis. The pain is rarely where the problem is, which is both the most confusing thing about myofascial trigger points and the most useful thing to know once you have understood it.
The body is trying to tell you something. It is just not always pointing at itself very accurately. Book a trigger point massage at home through Blys, available 7 days a week, 6 am to midnight across the UK.
