X-ray

Imaging technique using X-rays, useful for assessing bones, alignment and certain joint changes.

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What a spinal x-ray can show

An x-ray produces a projection of structures exposed to ionizing radiation. It can document alignment, deformity, selected fractures and bony or joint changes. The space between vertebrae provides indirect information about disc height, but a radiograph does not directly show a disc herniation or how a nerve functions.

Positioning depends on the requested views, sometimes standing to assess alignment under load. Dynamic views are useful only for selected indications and should not be routine. Exposure should be limited to what is clinically useful, and possible pregnancy must be reported. A normal radiograph does not exclude every fracture or neurological condition. Age-related degenerative findings cannot by themselves identify the cause of each pain episode. Another imaging method may be needed when a different tissue is the focus.

Indications and interpretation

Before ordering the test, the clinician should identify the question it needs to answer and how the result could change decisions. Routine imaging for low back pain without warning signs does not necessarily improve care. A result describes structures; it does not measure all aspects of pain or a person's capacity to recover. Age, previous conditions, the affected side and the physical examination help distinguish a relevant abnormality from an incidental finding. More visible detail is useful only when interpreted appropriately.

After the results

The responsible clinician should explain which findings need action, follow-up or no particular intervention. Bringing previous studies can prevent unnecessary repetition. At TAGMED, imaging can help select or exclude particular care options; it cannot establish that traction, laser treatment or manual care will work. Decisions remain clinical and must consider contraindications. Progressive weakness, altered saddle sensation or a new inability to urinate must not wait for a routine imaging appointment: these symptoms need emergency assessment. Follow the preparation and safety instructions supplied by the imaging centre. Ask how and when results will be communicated rather than assuming that silence means everything was normal.

Frequently asked questions

Can an x-ray show a herniated disc?

Not directly. Another test may be indicated if that question would change management.

Does an abnormality necessarily explain pain?

No. Agreement with symptoms and examination findings must be checked.

Should previous results be brought?

Yes when available; comparison may prevent unnecessary repeat studies.

Who explains the report?

The responsible clinician interprets it within the whole clinical picture.

Does the test determine treatment?

It contributes to decisions but does not replace clinical assessment and discussion of options.

Educational information from The Spine Page. This entry does not replace an individual assessment. Documentary version: October 12, 2026. Sylvain Desforges, B.Sc., D.O., N.D., osteopath and naturopath.