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A Short, Brief and Entertaining Story of Pain

The Scream by Edvard Munch, 1893

This week is National Pain Week, a week where Australia will be discussing the nature of one of the fastest growing problems in our society. Pain.

Chronic Pain affects one in five Australians.

And in honour of them Errol St Osteo is going to take you on a journey exploring where Pain has come from, why we need it and how it can go wrong sometimes.

 

What Is Pain?

Pain is a sensation, a largely unpleasant sensation, that we feel at certain times in our lives in varying parts of our bodies.

It can be caused by stubbing your toe, sitting for too long, running into a wall or chasing pokemon on legs unused to walking.

But contrary to popular thought pain does not necessarily correlate with the amount of damage that has occurred.

In fact people that suffer Chronic Pain will often have no breaks or tears or strains at the site of their pain but they will still feel immense amounts of pain.

 

What? Chronic Pain Sufferers Pain Is All In Their Head?

Yes. But so is all pain.

Think about a time when you stubbed your toe.

Racing around doing something, not thinkingly you slam your toe into a step.

You screech, you swear, you hop, you put your foot down, you stamp it down, you start walking on it, 2 minutes later the pain has decreased to a smidge of what it was.

If the pain you felt when you initially stubbed your toe was a measure of how much damage you had done, then why within 2 minutes has the pain gone down to almost nothing?

Because pain is an output, a protective output. It is a projection of the brain’s assessment of risk.

In the case of the stubbed toe the brain is unsure of how much damage you have done to the toe.

You may have broken the toe, you may have just banged it, but the brain is unsure in those early stages as to what it is that you have done.

And so whilst the brain is filtering through the varying messages that are coming from your toe it wants to stop you from causing more damage.

How does it do that? By making you feel such exquisite pain that there is no way in hell you would put your foot down.

And then slowly but surely the brain comes to the decision that nope it’s not broken and it eases back the pain lever.

There may still be some pain present, reflective of some bruising and the need to be careful of the area but that all encompassing pain is gone.

 

What Does A Stubbed Toe Have To Do With People That Suffer Chronic Pain?

The sensation of pain is extremely complex, especially when it has been around for a while.

People that suffer Chronic Pain are often told that there is nothing wrong with them, that the scan of their knee, low back, wrist, etc is fine, that there is no sign of damage.

But as we know pain is not just a reflection of tissue damage.

The brain determines how much pain you will feel depending on what it thinks/determines is occurring.

And the Brain takes it’s advice from the information that comes from the body as well as some other things.

 

So If It Isn’t Just Info From The Affected Area That Influences The Brain What Else Does?

It really depends on the person and what they are doing.

Imagine your ancestor in the rainforest running flat out as a tiger is chasing them. They stub their toe leaping a fallen tree and keep going.

 

Do you think they’d feel much pain? Most likely not.

Why? Because the brain would be thinking, is it more important to stop and assess how much damage to a toe there was or to get the hell away from Fluffy’s ancestors.

But compare that to Brian, a father of two rambunctious daughters, on the worksite lifting a heavy plank.

Brian who suffered a crippling back injury the previous year, Brian who’s best mate no longer works due to a bad back, Brian who just read an article on how ‘you never recover from a back injury’* (factually incorrect, all things heal).

Brian slightly twinges a muscle in his low back when lifting. The information the Brain receives is that there is some small tissue damage.

But for Brian his low back has far greater connotations than the average punter.

Brian’s Brain will cross check the information coming from the low back with what it already believes about low backs.

Because of the previous injury and the article saying that back’s never heal. His mate that can’t work due to the low back. And the responsibility of two kids. Brian’s Brain is far more likely to assess the risk of damage in the low back as very high.

So when Brian bends forward to pick up his plank of wood at work and twinges his back, his Brain, and the protective nature of it, is likely to pull the pain lever to 10/10 to stop Brian causing more damage.

It is an overreaction but one that makes sense to a brain that is trying to protect it’s body.

 

Ok, Ok, Ok Pain Is Complex. But What Has A Stubbed Toe and A Back Injury Got To Do With Chronic Pain? Pain That Is Just In Someone’s Head????

The previous two examples hopefully illustrate the complexity of the sensation we call pain.

People that suffer Chronic Pain will often have nothing wrong with the muscles, bones or joints where they feel pain.

MRI’s CT scans and X-rays will be all be clear.

But for whatever reason their brain has assessed the risk of damage at that spot to be very high.

And because of that assessment of risk the Brain wants the body not to move too much because it is worried that movement will make it worse.

 

How does the Brain stop the body from moving an area it believes to be damaged, or at risk of damage?

Pain!!!!

 

So How Can Someone Be ‘Cured’ Of Chronic Pain?

Time, patience, education, movement, exercises, manual therapy and avoiding painkillers like opiods.

Do not take opiods, they completely warp the way the brain perceives pain!!!

It takes time, it takes trust and it takes work but chronic pain can be overcome or at the barest of minimums managed ina much better way.

The first step is to understand it. To understand how pain works. And then to start moving again. 

A large part of the recovery process is changing the way you think about the body and how it works.

 

Errol St Osteo: Has Been Working With Chronic Pain in North Melbourne Since 2014

 

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Posted in : How the Body Works
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