See Retrain Pain’s slideshows – which are brilliant at showing why we feel pain, looking at the causes of persistent pain: retrainpain.org/#lessons
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Long-term pain is unlikely to have a single cause.
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Changes in the way nerves send pain messages have an important role. These changes are called CENTRAL SENSITISATION. You can’t see these changes on normal scans and x-rays. For a detailed explanation of central sensitisation CLICK HERE.
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Some people think our genetics (what we inherit from our family) plays a part in how our nervous system – and pain response – works.
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People tend to move less, and differently, when they have pain. This can lead to weakness, stiffness & altered posture which in turn can worsen pain.