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Dr. Cary H. Rothenberg, D.C.

Chiropractor focused on herniated discs

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Spine

Non-surgical spinal decompression (NSSD): what it is

Dr. Cary H. Rothenberg, D.C., Chiropractor. Professional license 15265498.

Non-surgical spinal decompression is a form of computer-controlled traction that gradually and intermittently stretches the lumbar or cervical spine. It is not surgery and does not replace a surgical indication. It is considered after evaluation, based on symptoms, exam, and studies if you bring them.

Last updated: October 4, 2026.

What is non-surgical spinal decompression?

Non-surgical spinal decompression (NSSD) is a form of mechanical traction. A motorized, computer-controlled table applies a gentle stretching force to the lumbar or cervical spine and alternates it with relaxation phases. The goal is to separate the vertebrae slightly and briefly reduce the load on the discs and joints.

It differs from manual or continuous traction in that the force ramps up and down gradually on a set program. That cycle is designed to make the back muscles less likely to tighten against the stretch. It is an external procedure: no incisions, injections, or anesthesia.

What happens in the spine during decompression?

When the vertebrae separate slightly, pressure inside the disc may drop while the stretch lasts. This is thought to reduce mechanical pressure on a nerve root irritated by a disc protrusion or herniation, which is why some people notice less radiating pain, tingling, or stiffness.

Realistic expectations matter. Available studies show mixed results, and decompression has not been shown to reposition, regenerate, or lastingly rehydrate a disc. It is therefore offered as one more conservative option that may help some people, and it is usually part of a plan that includes exercise, physiotherapy, and guidance on posture and activity.

When is it considered?

It may be considered, case by case, for people with:

  • A lumbar or cervical disc herniation or protrusion.
  • Pain running into the buttock and leg (sciatica) or down the arm, without red flags.
  • Degenerative disc changes or spondylosis with persistent pain.
  • Some cases of spinal stenosis, depending on severity and symptoms.
  • Chronic low back or neck pain that has not improved with initial measures.

An MRI finding alone is not enough to decide. Many people have disc protrusions that cause no symptoms, and the same imaging diagnosis can match very different clinical pictures. What guides the decision is the combination of history, orthopedic and neurological exam, and studies.

When is it not appropriate?

It is generally avoided or postponed in case of:

  • Pregnancy.
  • Recent vertebral fracture or significant osteoporosis.
  • Spinal surgery with screws, plates, or fusion, or recent surgery.
  • Suspected infection, tumor, or active inflammatory disease of the spine.
  • Abdominal aortic aneurysm or anticoagulant treatment (reviewed at the visit).

If any of these apply, mention it when you book. If you notice worsening weakness, loss of bladder or bowel control, or numbness in the groin area, do not wait for an appointment: go to an emergency department. Evaluation also helps identify when a referral to another specialist or a surgical consultation is the better path.

What is a session like, and how many are needed?

You lie on the table fully clothed, face up or face down depending on the case, with a harness around the pelvis and chest for the low back or a neck support for the cervical spine. The force is adjusted gradually, and most people describe it as a tolerable stretch. If pain or unexpected discomfort appears, you say so and the session is adjusted or stopped.

The number and frequency of sessions are not fixed: they depend on the diagnosis, the response in the first visits, and other individual factors. They are set in evaluation and reviewed during follow-up.

When should you book an evaluation?

  • You read about decompression and want to know whether it fits your symptoms.
  • Pain or tingling down the leg or arm that lasts more than a few days.
  • Low back or neck pain that limits work, sleep, or daily activities.
  • Recent imaging you want reviewed at the visit.

Do not book here for loss of bladder or bowel control, numbness in the genital or anal area, leg weakness that is getting worse, or pain after a major injury. That is an emergency.

Frequently asked questions

Is non-surgical spinal decompression the same as traction?

It is a type of traction. The main difference is that a computer-controlled table ramps the force up and down gradually on a set program, alternating stretching and relaxation phases.

What happens when the spine is decompressed?

The vertebrae separate slightly during the stretch, and pressure on the disc and nerve roots may drop while it lasts. Some people notice less radiating pain; responses vary, and it does not mean the disc is repaired.

What does decompressing a nerve root mean?

It means reducing the pressure a disc or another structure places on a spinal nerve root. Non-surgical decompression aims for that effect mechanically and temporarily; severe compression may require another option, including surgery.

What conditions is it used for?

It is considered for disc herniations and protrusions, sciatica, degenerative changes, and some cases of stenosis. Whether it suits you is decided in evaluation, not from the imaging study alone.

Does decompression hurt?

Most people feel it as a tolerable stretch, and the force is adjusted gradually. If unexpected pain appears, you say so and the session is adjusted or stopped.

Spine evaluationLumbar decompressionCervical decompressionConservative herniation treatment

Want to know what's going on?

At the evaluation we review your case and explain your options. The plan is set in consultation.