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Why We Instinctively Rub Pain Away
We’ve all had some days were we feel pain. The writer of this article stubbed her toe just this morning! When you stub your toe, the first thing you do is grab it. When a child falls, an adult rubs the sore spot. When your shoulder aches at the desk, your hand drifts up to knead it without conscious thought. These are not just reflexes. They are subconscious demonstrations of one of the most important ideas in modern pain science. It is called the gate control theory of pain, and it explains why pressure, of the kind a Thai massage delivers in abundance, can genuinely interrupt the experience of pain.
What Is Gate Control Theory?
Gate control theory was proposed in 1965. Before this time, pain was largely understood as a straightforward alarm signal. Tissue damage sent a message up the nerves to the brain, and the brain registered pain in proportion. Scientists later proposed that there is a gating mechanism in the spinal cord, specifically in a region called the substantia gelatinosa within the dorsal horn, where pain signals can be modulated before they reach the brain. Different types of nerve fibres compete for access to this gate, and the brain itself can influence whether the gate opens or closes.
How Pressure Closes the Pain Gate
Pain signals are carried mostly by small fibres and slightly larger delta fibres. These are slow conducting and they carry the dull, burning, aching messages we typically associate with pain. Sensations of pressure, vibration, touch and movement, on the other hand, travel along large myelinated A beta fibres, which are much faster. When the beta fibres are heavily activated, they effectively close the gate to the slower pain signals. This is why rubbing a bumped knee genuinely makes it hurt less. The pressure signal arrives at the spinal cord first and dampens the pain signal that is trying to follow.
How Thai Massage Floods the Nervous System with Pain-Blocking Input
Thai massage uses this science beautifully, although the practitioners who developed it over centuries had no idea of the anatomy involved. They simply observed (from practice) what worked and what did not work. The slow palm compressions along the legs, the thumb pressure on specific points, the elbow work through dense muscle, and the deep prolonged holds along the back all flood the nervous system with strong A beta input. This input reaches the spinal cord and crowds out the slower, more chronic pain signalling. For someone living with persistent low back pain, neck tightness, sciatica or chronic shoulder discomfort, the relief can be huge.
The Brain’s Role: Descending Pain Modulation
The mechanism does not stop at the spinal cord. The brain itself can open or close the pain gate based on attention, emotion and context. This is sometimes called descending modulation. When you feel safe, when you feel cared for, when you are in a calming environment, the brain sends inhibitory signals down to the spinal cord that further close the gate. Conversely, when you feel anxious, threatened or under pressure, the brain can open the gate wider. A Thai massage in a calm, dimly lit treatment room, with skilled hands and an attentive therapist, provides exactly the context the descending pain modulation system needs to dial down chronic signalling.
The Chemical Layer: Endorphins, Serotonin and Noradrenaline
There is also a chemical layer at the gate. Endorphins, along with serotonin and noradrenaline, are involved in keeping the gate closed. The senses system also plays a significant role. Touch and pressure that activate these systems contribute to a longer lasting reduction in pain perception, sometimes lasting hours or days beyond the session itself.
Chronic Pain, Central Sensitisation and Why Repetition Matters
For people with chronic pain, this matters more than for those with occasional aches. Chronic pain often involves a phenomenon called central sensitisation, in which the nervous system becomes increasingly responsive to pain signals. Even small inputs that should not be painful start producing pain experiences, a state known as allodynia. The pain gate, in effect, has rusted open. Restoring its function requires repeated, safe, positive sensory input from the affected regions. This is precisely what regular Thai massage provides.
How Thai Massage Retrains the Brain’s Threat Assessment
What we all got to understand is that pain is the brain’s protective output, calibrated by its assessment of threat. The same tissue input can produce different pain experiences depending on context. Thai massage influences not just the spinal gate but the brain’s higher level assessment. Sustained safe touch over a sixty or ninety minute session tells the brain, again and again, that the body is not in danger. Over weeks of regular sessions, the brain’s pain protective response can be turned down.
What Massage Can and Cannot Do for Pain
There are limits to what massage can do. Pain that arises from acute injury, infection, fracture or other serious medical issues requires medical evaluation, not bodywork. A Thai therapist should never be a substitute for a physiotherapist, an osteopath or a doctor when those professionals are needed. What massage offers, where it offers most, is in chronic muscular and fascial pain, tension related headaches, stress driven body pain, low grade joint discomfort, and the persistent aches that have outlived any obvious cause. These conditions are heavily influenced by the gate control system, and they respond well to skilled, sustained, intelligent pressure.
One Session vs. a Regular Practice
From a practical perspective, this is one of the reasons why a 1 single Thai session can feel relieving but a regular practice can produce more lasting change. The first session opens the gate briefly. The tenth session begins to retrain how often it stays closed in daily life. Patterns that have been firing for years start to shift. Pain levels that felt fixed begin to fluctuate, then to fall, then to fluctuate around a lower average. At Me-Thais, this is the daily work of our skilled and trained Thai therapists. Each compression, each stretch, each thumb press along the sen lines is doing more than reaching a muscle. It is sending a precisely calibrated message to a sophisticated neural system, asking it to close a gate that has been left open for too long.
