- posted: Aug. 06, 2025
Many people worry about the “crack” or popping sound during a chiropractic adjustment. Good news: research shows the crack is not needed for a treatment to work. The sound is just gas bubbles moving in the joints—it doesn’t mean your adjustment is better or worse. Some techniques don’t make any sound at all, but they’re just as safe and effective. Chiropractors pick the adjustment style that’s best for your age, body, and comfort. What matters is that your body is able to heal. It takes time; not a noise.
The Crack Debunked: It is overrated.
Many people worry about the “crack” or popping sound that can happen during a chiropractic adjustment. Some think it means the treatment is working or that it’s necessary. Good news: the truth is, the “crack” means very little, and safe, gentle chiropractic care doesn’t always make any noise at all!
What IS the “Crack”?
The crack—also called cavitation—is just the sound of gas bubbles releasing from the fluid in your joints as your chiropractor moves them. It’s sort of like the noise you hear when you crack your knuckles. Studies from medical journals show that hearing a crack doesn’t mean a better or worse result—it’s just a natural part of some adjustments.
Is a Crack Needed?
No. You don’t have to hear a crack for a chiropractic adjustment to work. Sometimes there's no sound, sometimes it's a soft pop, sometimes loud, and sometimes you hear several. There is no relationship between a loud crack, a soft crack, or even many cracks and a good result. They all mean the same thing: nothing! What matters most is how your body feels afterward. Actually what matters is that your spinal joints and surrounding tissues, including, ligaments and muscles are able to heal. This also takes time. Healing is a process not an incident.
“Crackless” Chiropractic Works Too
There are many gentle ways chiropractors adjust your joints without any cracking sounds. These “low-force” or “instrument-assisted” techniques are proven safe and effective—especially for children, older adults, or people with certain joint conditions. Lots of research—published in top chiropractic journals—shows that these methods work just as well as hands-on adjustments, with no 'crack'.
Care is Tailored to YOU
Chiropractors choose the best adjustment style based on your age, how healthy your spine is, how flexible you are, and what feels best for you. They’ll always pick the safest, most comfortable method for your body.
What Really Matters?
The real test is how you move and feel after care—less pain, better movement, and feeling good! The presence or absence of a crack makes no difference in your results. Your body need time to heal. Inflammation need to subside.
In short: Don’t worry about the noise. Effective, safe care comes in many forms—with or without the crack!
References:
Cramer et al. (2012). "Quantification of cavitation and gapping of lumbar joints during spinal manipulative therapy," JMPT.
Beffa & Mathews (2004). "Does the adjustment cavitate the targeted joint?," JMPT.
Christiansen et al. (2013). "Bilateral and multiple cavitation sounds during upper cervical thrust manipulation," BMC Musculoskeletal Disorders.
- posted: Aug. 06, 2025
Many people worry about the “crack” or popping sound during a chiropractic adjustment. Good news: research shows the crack is not needed for a treatment to work. The sound is just gas bubbles moving in the joints—it doesn’t mean your adjustment is better or worse. Some techniques don’t make any sound at all, but they’re just as safe and effective. Chiropractors pick the adjustment style that’s best for your age, body, and comfort. What matters is that your body is able to heal. It takes time; not a noise.
The Crack Debunked: It is overrated.
Many people worry about the “crack” or popping sound that can happen during a chiropractic adjustment. Some think it means the treatment is working or that it’s necessary. Good news: the truth is, the “crack” means very little, and safe, gentle chiropractic care doesn’t always make any noise at all!
What IS the “Crack”?
The crack—also called cavitation—is just the sound of gas bubbles releasing from the fluid in your joints as your chiropractor moves them. It’s sort of like the noise you hear when you crack your knuckles. Studies from medical journals show that hearing a crack doesn’t mean a better or worse result—it’s just a natural part of some adjustments.
Is a Crack Needed?
No. You don’t have to hear a crack for a chiropractic adjustment to work. Sometimes there's no sound, sometimes it's a soft pop, sometimes loud, and sometimes you hear several. There is no relationship between a loud crack, a soft crack, or even many cracks and a good result. They all mean the same thing: nothing! What matters most is how your body feels afterward. Actually what matters is that your spinal joints and surrounding tissues, including, ligaments and muscles are able to heal. This also takes time. Healing is a process not an incident.
“Crackless” Chiropractic Works Too
There are many gentle ways chiropractors adjust your joints without any cracking sounds. These “low-force” or “instrument-assisted” techniques are proven safe and effective—especially for children, older adults, or people with certain joint conditions. Lots of research—published in top chiropractic journals—shows that these methods work just as well as hands-on adjustments, with no 'crack'.
Care is Tailored to YOU
Chiropractors choose the best adjustment style based on your age, how healthy your spine is, how flexible you are, and what feels best for you. They’ll always pick the safest, most comfortable method for your body.
What Really Matters?
The real test is how you move and feel after care—less pain, better movement, and feeling good! The presence or absence of a crack makes no difference in your results. Your body need time to heal. Inflammation need to subside.
In short: Don’t worry about the noise. Effective, safe care comes in many forms—with or without the crack!
References:
Cramer et al. (2012). "Quantification of cavitation and gapping of lumbar joints during spinal manipulative therapy," JMPT.
Beffa & Mathews (2004). "Does the adjustment cavitate the targeted joint?," JMPT.
Christiansen et al. (2013). "Bilateral and multiple cavitation sounds during upper cervical thrust manipulation," BMC Musculoskeletal Disorders.
