If you've been adjusted before, you know the sound — that quick pop or crack. For some people it's deeply satisfying, almost the whole reason they go. For others, it's the exact thing that's kept them out of a chiropractor's office for years.
Here's something that surprises both camps: most of the adjustments we do at Landmark don't make that sound at all — and the care works just the same. That's not a watered-down version of an adjustment or a gentler "lite" option. It's because the pop was never the thing doing the work. Let's talk about what that sound actually is, and why it matters far less than most people assume.
So what is that "crack," exactly?
First, it's almost certainly not what you've been picturing. The sound isn't bone scraping against bone, and it isn't a vertebra "snapping back into place."
The joints in your spine — and the knuckles in your hand — are wrapped in a capsule of fluid. When a joint is stretched quickly, the pressure inside that fluid drops and a small gas bubble forms and releases. That little release is the pop. The technical name is cavitation, and it's the very same harmless thing you hear when someone cracks their knuckles.
Researchers still debate the fine print — whether the sound comes from the bubble forming or collapsing — but they agree on the part that matters here: it's gas moving in fluid, not your spine being forced into alignment. Nothing is breaking, grinding, or slamming into place.
Why the pop isn't the goal — or the proof
Because the sound is so dramatic, it's easy to assume it's the moment the adjustment "worked." It isn't. The cavitation is a side effect of moving the joint — a byproduct, not the mechanism.
In fact, research on spinal adjustments has found that whether or not you hear a pop doesn't reliably predict how much the adjustment helps. People improve with the sound and without it. The part that actually matters is the specific, controlled input delivered to the right spot — and that can happen whether the joint cavitates audibly or stays completely silent.
So the absence of a crack doesn't mean the absence of an effect. It just means we didn't have to move the joint hard enough to make a noise in order to do the job.
"The pop was always a byproduct of an adjustment — it was never the adjustment itself."
Then why does cracking feel so good?
If it isn't doing the heavy lifting, why is it so satisfying? A few reasons. Stretching a stiff joint gives a brief sense of release and a little more room to move, and there's likely a quick neurological reflex that eases the muscles around the joint for a moment. It genuinely feels good.
But satisfying and corrective aren't the same thing. Here's the tell: if you find yourself needing to crack the same spot in your neck or back over and over, the relief clearly isn't lasting. That usually means the underlying tension keeps returning — and the quick pop is treating the feeling, not the cause.
Is cracking your own back or neck bad for you?
This is probably the most common worry we hear: "Haven't I always been told cracking is bad for me?"
The old warning that cracking your knuckles causes arthritis simply isn't supported by the research — it's one of the more thoroughly debunked health myths out there. Self-adjusting your spine is a little different, though. The issue usually isn't danger so much as imprecision: when you twist to make your own back pop, you tend to move whichever segment moves most easily — not necessarily the one that actually needs attention. You get the satisfying release, the stuck spot stays stuck, and you're reaching for it again an hour later. It's a quick fix that keeps you needing the same quick fix.
How a gentle adjustment works without the pop
This is where our approach comes in. We adjust using Torque Release Technique, a low-force method that delivers a precise, measured input with a small handheld instrument instead of a forceful manual twist. Because there's no rapid gapping of the joint, there's usually nothing to cavitate — so there's no crack. Most people say it feels like the quick click of a pen.
What you give up is the dramatic sound. What you keep is the part that actually matters: a specific, controlled adjustment delivered exactly where it's needed. It's gentle enough for a newborn or an expecting mom and precise enough that we use it on every patient who walks through the door.
The crack you hear during an adjustment is just gas releasing in the joint fluid — the same thing as cracking your knuckles. It's a byproduct, not the point, and research suggests it doesn't determine whether an adjustment helps. That's why a gentle, instrument-delivered adjustment can do the job without any pop at all.
So if the sound is the reason you've been avoiding care — or the reason you've assumed a gentle adjustment "won't do anything" — you can set that worry down. The pop was never what made an adjustment work, and you don't have to brace for it to get real, careful help. When you're ready, you can book your first visit, or see exactly what your first visit looks like, step by step. No twisting, no cracking, no surprises — just a thorough look at what your body actually needs.