Is It Normal to Feel Sore After an Adjustment? (Plus: What Is That Cracking Sound?)

One of the most common messages I get the morning after a first visit goes something like this: "Is it normal that I'm a bit sore today?" Usually followed by, "And what was that crack?"

Both are great questions, and you're not being dramatic by asking them. Feeling a little sore after a chiro adjustment is common, and the cracking sound is far less mysterious than it seems. Let me explain both, and just as importantly, the signs that mean you should pick up the phone.

Is it normal to feel sore after an adjustment?

Feeling sore after a chiropractic adjustment is common, and for most people, it's mild and short-lived. In a well-known Norwegian study of more than 1,000 chiropractic patients, around half reported some kind of reaction, such as local soreness, stiffness or a mild headache. Most reactions began within a few hours and had settled within 24 hours.

That lines up with what I see in practice. The first one or two visits are the most likely to leave you feeling it, especially if you've had pain or stiffness for a long time. Research on neck pain patients has found that a longer history of neck pain is linked with a higher chance of a headache or extra neck soreness after the first visit. Once your body gets used to being adjusted, the soreness usually becomes less noticeable.

Why do you feel sore after a chiropractic adjustment?

You feel sore after a chiropractic adjustment because joints and muscles that have been stiff or guarded are suddenly asked to move differently. Muscles that were holding tight to protect an area can feel achy as they let go, and the tissues around the joint need a little time to settle into the new movement.

I often compare it to your first gym session after a long break. Nothing is damaged, but your body is letting you know it did something unfamiliar. And because my care also includes posture correction exercises and traction, there can be a bit of that "worked muscles" feeling as well.

Let's also address these three specific questions:

“Why is my neck sore after chiropractic adjustment?”

Neck soreness is the most common reaction I hear about, partly because neck muscles do so much guarding when there's an underlying problem. If you've been sitting with your head forward for years (and most of us have), the muscles at the back of your neck have adapted to that position. 

When the joints start moving more freely, those muscles need a few day to catch up. You can read more about why neck pain keeps coming back when posture is part of the picture.

“Why is my body sore after chiropractic adjustment?”

Sometimes the soreness isn't confined to the area I adjusted. You might feel generally achy or a bit tired, a little like the day after a long walk. When your spine starts moving differently, the muscles that support you through the day get used in new ways, too. This kind of whole-body ache tends to be mild and settles quickly.

Everyone responds differently, and that's completely normal

Here's something I wish every practice member knew before their first adjustment.

There's no single "correct" way to feel afterwards.

Some people walk out feeling lighter and moving better straight away. Some feel no different at all for a few days. Others feel sore, stiff, or a bit tired that evening.

All three are normal. And none of them tells you whether the adjustment worked.

What's actually happening is adaptation. Your joints are moving in ways they haven't for a long time. The muscles around them are adjusting to a new position. And your nervous system is receiving different information than it's used to.

That takes a bit of time. The soreness isn't damage. It's your body recalibrating.

Sometimes the pain moves, and that's okay too

This one catches people off guard, so I want to name it clearly.

Occasionally, pain shifts location. Your lower back settles but your hip feels achy for a few days. Or your neck eases and suddenly you notice your shoulder more.

People often worry this means something new has gone wrong. Usually it hasn't. When one area stops compensating, other areas get used differently. Things that were masked before become noticeable.

Things are changing. That's the point.

If a new symptom is severe, spreading, or doesn't settle, tell me. But a mild shift in where you feel things is often part of the process.

Three things that maximise your recovery

Whatever you feel after an adjustment, these three do the most work between visits.

Prioritise your sleep. This is when most of your repair happens. Poor sleep raises inflammation and makes pain feel worse. Protecting your sleep is the highest-value thing you can do.

Drink plenty of water. Your discs rely on fluid to hold their height and absorb load. Staying hydrated supports the exact tissues you're asking to change.

Keep moving gently. Short, regular walks beat both hard training and complete rest. Movement helps joints settle and stops muscles stiffening up.

None of this is complicated. But it's the difference between a body that adapts smoothly and one that takes longer than it needs to. 

Still sore 3 days after a chiropractic adjustment?

Being sore three days after a chiropractic adjustment is less common. Most reactions settle within a day or two.

Lingering soreness doesn't necessarily mean something is wrong. But it's a sign to let your chiropractor know. They may need to change the technique, the force, or the pace of your care.

Please don't quietly push through it and skip your next appointment. I can only change what I'm doing if I know how you responded.

What is that cracking sound during chiropractic adjustments?

The cracking sound during chiropractic adjustments comes from a small gas cavity forming in the fluid inside a joint. When the joint surfaces separate quickly, the pressure drops and a pocket of gas forms with an audible pop. It's the same thing that happens when you crack your knuckles. No bones are cracking or grinding.

We know this partly thanks to a 2015 study that filmed finger joints cracking inside an MRI scanner. The images showed the sound happening at the moment a cavity formed in the joint fluid as the surfaces pulled apart. The same research also explains why you can't crack the same joint again straight away: it needs around 20 minutes to reset.

Does a chiropractic loud crack mean the adjustment worked?

A chiropractic loud crack doesn't mean an adjustment worked better, and no crack doesn't mean it failed. A 2022 systematic review found no evidence that the audible pop improved pain outcomes after spinal manipulation, regardless of which part of the spine was treated.

I mention this because a lot of people judge an adjustment by the noise. I understand why. The sound is satisfying, and it feels like proof that something moved. But some of my most effective chiropractic adjustments are quiet ones. I'm not chasing a sound. I'm working towards a measurable change in how your spine is positioned and how it moves, which is the whole idea behind the Chiropractic BioPhysics approach I use.

When to call rather than wait

Most post-adjustment soreness settles on its own. Call us if pain is severe or getting worse rather than easing, if numbness, tingling or weakness spreads into an arm or leg, or if you get a severe headache with visual changes or dizziness. Loss of bladder or bowel control is a medical emergency. Call 000.

I take a full history, examination and X-Rays before I adjust anyone, so I'm never guessing about what your spine needs. That's a big part of what should happen at your first chiropractic visit.

If you've been adjusted recently and something doesn't feel right, or you're not sure whether what you're feeling is normal, call us on (03) 5915 9895. It's a quick conversation, and I'd much rather hear from you than have you worry at home.

Soreness after an adjustment usually means your body is adapting. Silence about it is the only thing that slows us down.

Dr. Ashley Cherrett (BAppSc(Chiro), BHlthSc) is the principal chiropractor and owner of Cherrett Chiropractic in Clyde North, Melbourne. He practises using the Chiropractic BioPhysics (CBP) technique, a structured, evidence-based approach to spinal correction. This article is educational and does not constitute medical advice. Individual results vary, and all care is based on individual assessment.