Your Back Hasn't Betrayed You
living
He's mid-40s, one hand braced on the kitchen bench, face like he's just been tackled by a fridge. His back has "gone out" again (the third time this year), and he's certain, with total conviction, that something inside him has just torn, slipped, or snapped. Why wouldn't he think that? The pain is enormous. Surely enormous pain means enormous damage.
That's the deal most of us have quietly signed up to: pain is a dial, and it rises exactly as far as the damage underneath it. More pain, more broken. It's tidy. It's intuitive. It's also, for the vast majority of back pain, completely wrong.
He booked the scan half-expecting a radiologist to greet him with a grim face and a model spine. What came back was almost disappointing in its ordinariness: a clean scan. No prolapse, no fracture, nothing an imaging report would even flag.
So if it's not damage, what is it?
Here's where the textbook and the real world start to disagree. Flip the scenario: dig into the imaging literature and you'll find no shortage of people walking around today with disc bulges, degenerative changes, even spondylolisthesis, who've never felt so much as a twinge. A widely cited imaging review pooled data across thousands of pain-free adults and found degenerative changes (disc bulges, disc protrusions, facet joint osteoarthritis) in the majority of people over 40 who had zero back pain (Brinjikji et al., 2015, American Journal of Neuroradiology, 36(4):811 to 816. DOI: 10.3174/ajnr.A4173).
Two groups, then: one in agony with a boring scan, another completely comfortable with a scan that reads like a horror script. If pain were simply a readout of structural damage, this shouldn't be possible. It happens constantly.
Pain is not a damage-meter. It's a sensitivity dial, and dials can be retrained.
This isn't a semantic trick, and it's not saying his pain was "in his head". Nobody imagines agony that real. What it means is that pain is generated by your nervous system's assessment of threat, not a direct transcript of tissue damage. Sensitisation (your nervous system's alarm becoming easier to trigger, a bit like a car alarm set off by a light breeze instead of a break-in) can turn the volume of pain right up without a single new structural injury.
For him, the real turning point wasn't a treatment technique. It was the sentence "your scan is clean." Once the fear of hidden damage was off the table, we could work on the actual problem: a nervous system on high alert, and a spine that had quietly lost tolerance for postures it used to shrug off. We didn't protect him from bending. We gradually reintroduced it. The positions he'd been avoiding for a year came back in small, controlled, deliberately provocative doses, until his back stopped flinching at them.
The posture myth, and the dose that actually matters
This is where a lot of well-meaning advice goes sideways. Sit up straight. Don't bend like that. Never round your back under load. None of it holds up under scrutiny. There's no evidence for one correct spinal posture, and no exercise that's universally "bad" for backs. What actually matters is dose.
Here's the counterintuitive bit: too much, too soon, is the bad posture. Not the shape your spine happens to be in, but the amount you've asked it to do relative to what it's currently prepared for.
Sports science has known this for a decade under a different name: the training-injury prevention paradox. Research tracking elite athletes found injury risk climbs not when workload is high, but when it spikes faster than the body's capacity to absorb it (Gabbett, 2016, British Journal of Sports Medicine, 50(5):273 to 280. DOI: 10.1136/bjsports-2015-095788). Well-prepared tissue tolerates enormous work. Under-prepared tissue, hit with a sudden jump in demand (a heavy house move, an aggressive new gym block, an unusually long drive), struggles, regardless of "posture."
Avoid all spinal flexion and you've just ruled out sitting, driving, dining, gardening, travel, and picking up your own kids. That's not a rehab plan. It's a life sentence.
And it's not a necessary one. Flexion isn't the enemy. Under-preparing your back for the flexion life actually demands of you, that's the enemy.
Why the back really "goes out"
Here's the bit that surprises people most: the back rarely goes out because of one bad lift. It goes out because life's total load (training, sleep, stress, work, sitting) finally tips past what the system can currently absorb in that moment. Clinicians call this allostatic load: the cumulative wear of everyday demands, physical and otherwise, stacking on top of one another until something gives.
Sleep is one of the most under-rated levers here. A 2024 systematic review in the journal SLEEP examined sleep as a prognostic factor across multiple prospective cohort studies and found that poor sleep quality was consistently associated with worse recovery outcomes in people with low back pain (Sleep as a prognostic factor in low back pain: a systematic review of prospective cohort studies, SLEEP, 2024, 47(5):zsae023. DOI: 10.1093/sleep/zsae023). Poor sleep doesn't make a disc bulge. It does lower your tolerance for load and turn up how loudly your nervous system reports pain.
A necessary caveat
None of this means scans are pointless, or that all back pain is "just sensitivity." A small proportion of back pain comes with genuine red flags, including progressive weakness, loss of bladder or bowel control, unexplained weight loss, or pain following significant trauma, and these need urgent medical assessment, not a graded exposure plan. For the vast majority of everyday, mechanical back pain, which is what most flare-ups are, the pain and damage mismatch above is the rule, not the exception.
What this means for you
If you're the bloke in the opening story (40s, a background niggle, the occasional dramatic flare), here's the shift worth making:
Stop auditioning postures and start building capacity. There's no perfect way to sit, lift, or stand. There's only a body that's currently under-prepared or well-prepared for what you're asking of it.
Train something you actually enjoy. It doesn't have to be a gym program. A body that moves regularly, in whatever form you'll actually stick to, builds the tolerance that prevents the next flare.
Look at the other pillars propping up your nervous system's sensitivity: sleep, nutrition, connection, general movement. You don't need to become a monk. You need fewer holes in the bucket.
If a movement scares you, don't avoid it forever. Expose yourself to it in small, graded, deliberately uncomfortable doses until it stops being scary. Avoidance feels protective. It's actually what keeps the alarm switch so sensitive.
The reframe
Your back going out isn't proof it's broken. It's proof that, for a moment, everything you were asking of it (physically, mentally, in your sleep, in your training) added up to more than it could currently absorb. That's not a fragile spine. That's a capacity problem, and capacity problems are entirely solvable.
Build the tolerance. Close the gaps elsewhere in your life. The alarm stops going off, not because you've protected your spine into submission, but because you've finally given it a reason to trust you again.
Rick Hartley | Osteopath & Rehabilitation Specialist The Movement Philosophy | Elixr Health Clubs, Bondi Junction
References
Brinjikji, W., Luetmer, P.H., Comstock, B., et al. (2015). Systematic literature review of imaging features of spinal degeneration in asymptomatic populations. American Journal of Neuroradiology, 36(4), 811 to 816. https://doi.org/10.3174/ajnr.A4173
Gabbett, T.J. (2016). The training and injury prevention paradox: should athletes be training smarter and harder? British Journal of Sports Medicine, 50(5), 273 to 280. https://doi.org/10.1136/bjsports-2015-095788
Sleep as a prognostic factor in low back pain: a systematic review of prospective cohort studies and secondary analyses of randomized controlled trials. (2024). SLEEP, 47(5), zsae023. https://doi.org/10.1093/sleep/zsae023