The Pain Experience

Wow. Keeping up with a blog is much harder thean I could have ever imagined. It's becoming a painful experience itself. Time to revisit the overview of pain science and clinical application I wrote about a few weeks ago.

Today, we'll review number 1 of the Ten Steps to Understanding Manual and Movement Therapies for Pain. Much credit for this summary belongs to Luke Rickards, an Australian osteopath and researcher, and many of the other moderators at SomaSimple, a site dedicated to the application of scientific principles to the treatment of pain.

"1. Pain is a category of complex experiences, not a single sensation produced by a single stimulus."

Most people think of pain as a sensation - sensory input coming from a particular body part signalling that something is wrong. We are "hard-wired" to respond to danger signals in order to protect ourselves. That is why we have a pain system. However, pain is much more than sensory input being transmitted along a single pathway. Modern pain science describes pain more as an output generated by the brain, rather than an input from the body. It is always a bit hard to wrap your mind around something that seems to contradict your immediate experience. Then again, that is what science is for, right?

I think pain is most accurately understood as an experience, an experience comprised of sensation, but also the way one interprets and responds to that sensory information. It is easy to fall into the trap of linear or even circular thinking here, but understanding the importance of processing and behavior is essential to moving beyond pain. Understanding pain accurately helps reduce sensitivity and facilitates adaptive motor responses.

In Pain: The Science of Suffering, Patick Wall, asked the question: "What are the appropriate motor responses to the arrival of pain and injury signals?" In other words, "what movement do I need to do to feel better?" To me, this is, or ought to be, the central question of physiotherapy. Contrary to those who insist we treat biomechanics or function not pain, patients generally seek our care because they hurt and want to feel better. Understanding pain is the central issue for both therapist and patient. As we explore its meaning, we will begin to see how the right kind of movement can set us free.