Spinal Traction: Is Your Back Feeling 'Clicking' Sensations Normal? - Rehabilitation

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Lumbar issues


Hello, doctor.
I would like to ask about lumbar traction.
Although I don't feel any discomfort, I experience a sensation in my spine that feels like a stretching and returning motion (there is no actual sound) as the machine operates.
Is this considered abnormal?

Niming, 20~29 year old female. Ask Date: 2021/11/24

Dr. Li Yanheng reply Rehabilitation


You can confirm with the prescribing physician whether there is an issue of lumbar spondylolisthesis or lumbar instability.

Reply Date: 2021/11/24

More Info


When undergoing spinal traction, it is not uncommon to experience sensations that may feel like "clicking" or "popping" in the spine, even if there are no accompanying discomforts or sounds. These sensations can be attributed to several physiological mechanisms that occur during the traction process.

Firstly, spinal traction aims to relieve pressure on the spinal discs and nerve roots by gently stretching the spine. This stretching can lead to changes in the intervertebral discs, which are the cushioning structures between the vertebrae. As the discs are decompressed, they may shift slightly, leading to the sensation of movement or "clicking." This is often a normal response to the traction, as the spine is being manipulated into a more aligned position.

Secondly, the sensation you describe could also be related to the movement of synovial fluid within the facet joints of the spine. These joints are located at the back of the vertebrae and allow for movement and flexibility. When traction is applied, the joints may experience changes in pressure, which can cause the fluid within them to shift, resulting in a sensation that feels like clicking or popping. This is similar to the sounds some people hear when they crack their knuckles, which is often harmless.

It is essential to differentiate between normal sensations and those that may indicate a problem. If the clicking sensations are accompanied by pain, increased discomfort, or any neurological symptoms such as numbness, tingling, or weakness in the limbs, it would be advisable to consult with your healthcare provider. These could be signs of underlying issues such as nerve compression or joint dysfunction that may require further evaluation.

In terms of treatment and management, if the sensations are not associated with pain or other concerning symptoms, it is generally safe to continue with the traction therapy as prescribed. However, it is crucial to communicate openly with your physical therapist or healthcare provider about any sensations you experience during treatment. They can provide guidance on whether the sensations are typical for your condition and treatment plan.

Additionally, if you are experiencing discomfort or have concerns about the efficacy of the traction, it may be beneficial to explore other therapeutic options. These could include physical therapy modalities such as manual therapy, exercises to strengthen the core and back muscles, or alternative treatments like acupuncture or chiropractic adjustments, depending on your specific condition and preferences.

In conclusion, while the clicking sensations during spinal traction can be a normal part of the treatment process, it is essential to monitor your overall comfort and any accompanying symptoms. Always consult with your healthcare provider if you have any concerns or if your symptoms change, as they can provide personalized advice and adjustments to your treatment plan.

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