Backcrackinginvolves stretching or extending thespine, which can make a popping sound.

It is generally considered safe, but there are certainconditionsunder which people should avoid cracking their backs.

This article will cover what causes the sound of back cracking.

A person having their lower back manipulated

Nastasic / Getty Images

It will also address possible benefits, risks, and how to safely crack your back.

Some common theories have included the moving of tendons and the formation of nitrogen bubbles.

Cine MRI produces moving images.

This 2015 study using this MRI found that the formation of bubbles makes a popping sound.

The study found that the bubble eventually dissipates.

Crepitus

The medical term for cracking or popping noise from joints iscrepitus.

It is not a condition or disease but can be a symptom of one.

Other terms for popping or cracking include clicking or crunching.

Is Daily Back Cracking Safe?

Back cracking once per day is generally considered safe.

However, if it causes pain or swelling, then it should be stopped.

People may crack their backs to address certain conditions or to relieve unpleasant symptoms.

More often, people may experience mild side effects like headache, stiffness, or pain.

These side effects tend to resolve within a day.

Here are a couple ofstretchesand movements.

There are several back-cracking assistive devices on the market, such as poles and wheels.

Talk to a healthcare provider before using one to ensure it is safe for you.

Can’t Crack Your Back?

The chiropractor will start by taking a health history to learn about previous injuries and conditions.

Then they will evaluate the patient and determine the best course of action.

Generally, this is considered safe and easy.

But people with certain health conditions, such as osteoporosis, should avoid cracking their backs.

Anyone who is uncertain as to how to safely crack their back should see their healthcare provider for instruction.

Kawchuk GN, Fryer J, Jaremko JL, et al.Real-time visualization of joint cavitation.

Zhang Q, ed.PLoS ONE.

2015;10(4):e0119470.

doi:10.1371/journal.pone.0119470

AICA Orthopedics.Is cracking your back bad?

National Center for Complementary and Integrative Health.Spinal manipulation: what you oughta know.

American Academy of Orthopedic Surgeons.Spine conditioning program.