Back Pain Flare-Up Protocol: What To Do When Your Pain Suddenly Gets Worse
You’re having a good week.
You’re moving around, getting through your normal routine and starting to think, “Maybe my back is finally settling down.”
Then suddenly… flare-up.
Your lower back hurts more. Movement feels uncomfortable. You start wondering what you did wrong.
Did I lift something incorrectly? Did I damage something? Should I stop exercising? Should I stay in bed for a few days?
If you’ve experienced persistent back pain, you’ve probably been here before.
The frustrating thing is that a flare-up can feel completely unpredictable. But a sudden increase in pain does not necessarily mean you have caused new damage.
Pain and tissue damage are not the same thing. During a flare-up, your nervous system can become more protective, increasing muscle tension, sensitivity and the intensity of pain signals. In other words, sometimes the volume has been turned up without the damage being turned up.
So, what should you actually do when your back pain flares up?
Here’s the approach I use.
1. First, Understand What a Flare-Up Actually Is
A flare-up is essentially a period where your pain becomes more intense or sensitive than usual.
That can happen after physical activity, but physical activity isn't the only possible trigger.
Stress, emotions, poor sleep, doing too much, doing too little, uncertainty and fear can all contribute to a flare-up.
This is important because it changes the question you ask yourself.
Instead of:
“What did I damage?”
Try:
“What might have made my system more sensitive today?”
That doesn’t mean your pain isn't real. It absolutely is.
It simply means that pain is influenced by more than what is happening in your tissues at that exact moment.
A useful analogy is sunburn. When your skin is sensitised, something as simple as a light touch can hurt. The touch itself hasn't necessarily caused new damage — the system is simply much more sensitive to the input.
A similar process can occur when the nervous system becomes sensitised during a back pain flare-up.
That’s why trying to find the one movement that “caused” your flare-up isn't always helpful.
2. Avoid the Two Most Common Back Pain Flare-Up Traps
When pain suddenly increases, most people instinctively go one of two ways.
Trap #1: Push Through It
You decide you're not going to let the pain stop you.
So you keep doing everything exactly as normal — perhaps even pushing harder because you don't want to “give in” to your back.
Sometimes this results in the pain becoming even more irritated.
Now you're frustrated, worried and potentially even more hesitant about moving.
Trap #2: Avoid Everything
The other option is to stop.
You cancel your plans, stop exercising, minimise movement and perhaps spend much more time resting.
And yes, rest can feel good initially.
But completely avoiding movement can lead to deconditioning and may make your system more sensitive over time.
So we're left with an annoying problem.
Push through everything? No.
Avoid everything? Also no.
There is another option.
3. Work With Your Body — Not Against It
During a flare-up, the goal isn't to force your way through pain.
But it also isn't to treat your back like it's fragile.
Instead, you want to work with your system.
This is where a preferential movement pattern can become useful.
A preferential movement pattern is simply a position or movement that feels comfortable for you and doesn't provoke your pain.
There's no single movement that works for everybody.
For one person, it might be walking.
For another, it might be a gentle squat.
Someone else might feel better standing, bending forwards, moving sideways or getting onto their hands and knees.
The important thing is how your body responds.
The presentation describes this as a way of moving that feels good, doesn't make your pain worse and can provide your body with a sense of safety when pain is trying to restrict movement.
And that's a very different approach from simply telling yourself to “push through”.
4. Find Your Preferential Movement Pattern
So how do you actually find one?
Start by experimenting with a few simple positions and movements.
You could try:
A gentle forward bend
A side bend
A squat
Standing
Getting onto your hands and knees
Walking
These are examples from the flare-up protocol, but you don't need to force yourself into any particular movement.
Instead, ask:
“Which movement feels easiest right now?”
Not which movement looks best.
Not which movement you think you should be doing.
And not which exercise someone on Instagram told you is the best exercise for back pain!
Simply notice what feels comfortable.
You may find one movement that consistently feels good. You may find several.
That's your starting point.
5. Use Small Amounts — And Repeat Them Often
Once you've found a movement that feels good, don't feel like you need to perform a 20-minute routine.
This is one of the simplest parts of the protocol.
Small amounts, often.
That's it.
For example, if walking feels comfortable, you might take short walks throughout the day rather than deciding you need to complete one big walk.
If standing feels good, you can use standing as a comfortable position between periods of sitting.
If a particular movement feels comfortable, you can repeat it periodically throughout the day.
The idea is to give yourself regular opportunities to move without constantly testing how much pain you can tolerate.
This can be particularly useful when you're feeling hesitant or fearful about movement.
Instead of waiting until you're confident to move again, you can use comfortable movement to gradually rebuild that confidence.
6. Movement Can Help Turn the Volume Down
One of the most useful ideas behind this approach is that pain isn't necessarily fixed.
Pain can change.
It responds to different inputs, and movement and breathing can be powerful inputs.
That means you aren't necessarily powerless when a flare-up happens.
You can experiment.
You can change positions.
You can move in ways that feel more comfortable.
You can slow things down.
And you can give your body repeated experiences of movement that don't feel threatening.
The aim isn't to convince yourself that you're completely pain-free.
It's to show your system:
“I can move, and I'm okay.”
That can be a much more useful message than “My back hurts, so I better not move.”
7. When Should You Use Your Flare-Up Movement?
You don't have to wait until your pain is severe.
A preferential movement pattern can be useful during a flare-up, when you're hesitant or fearful about moving, between daily activities, and even between exercises when needed.
Think of it as a tool you can pull out when movement starts feeling difficult.
For example, imagine you've been sitting at your desk for an hour and your back feels increasingly uncomfortable.
Rather than immediately deciding that something is wrong, you might get up and perform a small amount of a movement that you know feels comfortable.
Then return to what you were doing.
Later, you might repeat it.
You're not trying to “fix” your spine in 30 seconds.
You're simply giving yourself a comfortable way to keep moving.
8. What You Shouldn't Do During a Flare-Up
A flare-up doesn't mean you need to completely abandon your normal life.
At the same time, it may not be the best time to prove how tough you are by forcing yourself through every activity regardless of how your body responds.
Instead, temporarily adjust what you're doing.
If something is particularly aggravating, reduce the amount, modify the movement or take a break before returning to it.
Then look for opportunities to keep moving in ways that feel comfortable.
This middle ground is important.
Because the long-term goal isn't simply to get through today's flare-up.
It's to gradually build confidence and capacity so that future flare-ups become less disruptive.
The protocol specifically aims to help you remain active while reinforcing the idea that movement is safe.
9. Your Back Pain Flare-Up Protocol
So, if your back pain suddenly increases, here's the simple version I'd want you to remember:
1. Don't panic.
A flare-up doesn't automatically mean you've damaged something.
2. Look at the bigger picture.
Consider what's been happening with your activity, sleep, stress, emotions and general load.
3. Don't push through everything.
If you're repeatedly aggravating your pain, forcing your way through isn't necessarily the answer.
4. Don't avoid all movement either.
Complete avoidance can reduce your activity and contribute to deconditioning.
5. Find a movement that feels good.
Try different comfortable positions or movements and identify what your body responds well to.
6. Use it in small amounts.
Repeat your preferred movement regularly throughout the day rather than turning it into another demanding workout.
7. Gradually return to normal activity.
As your sensitivity settles, you can progressively build your usual movements and activities back up.
The aim isn't to eliminate every sensation immediately.
It's to help you stay engaged with movement without constantly provoking your pain.
Final Thoughts
Back pain flare-ups can be incredibly frustrating.
Especially when they seem to come out of nowhere.
But a flare-up doesn't have to mean you've gone backwards or damaged your back again.
Sometimes your system has simply become more protective and sensitive. Physical load can play a role, but so can poor sleep, stress, emotions, uncertainty, fear and changes in how much you're doing.
The answer isn't necessarily more rest.
And it isn't necessarily pushing harder.
Instead, try finding the middle ground: comfortable movement, performed in small amounts and repeated often.
Find what feels good for your body.
Use it.
Keep moving.
Then gradually build back towards the things you want to do.
And if your flare-ups keep happening, are becoming increasingly difficult to manage, or you're unsure how to safely return to your normal activities, getting individual guidance can help you work out why your pain keeps flaring and what to do about it.
Because you don't need to spend every flare-up wondering, “What did I do wrong?”
You can have a plan.
By Scott Howard (Clinical Exercise Physiologist) │ 29/08/2026 │ Alignment Exercise Physiology
