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“My Back Feels Unstable” After a Fall: Why DMX Can Help When Pain Is Motion-Triggered

After a fall, people can have ongoing back pain and a feeling of instability even when X-rays show no fracture. DMX evaluates motion behavior (translation/angulation) and can help identify lumbar hinge patterns or instability that may be driving movement-triggered pain.

  • Falls can injure ligaments and alter motion control without breaking bones.
  • Static imaging can miss instability that appears during movement.
  • DMX findings can guide stabilization-focused rehab and safer progressions.

Last updated: April 14, 2026
Reviewed by: DMX Miami clinical team

Falls happen everywhere, but in active, coastal environments like Miami, Fort Lauderdale, and the Florida Keys, common causes include:

  • wet tile.
  • pool decks.
  • stairs.
  • docks and boats.

Many people are told:

  • “No fracture.”
  • “Just rest.”

But weeks later they still have:

  • back pain with bending and transitions.
  • muscle guarding.
  • a feeling that the back “gives out” or catches.

We also see visitors from the USA, Colombia, Chile, Argentina, Mexico, and the Caribbean who come to Miami for diagnosis when local workups don’t explain persistent motion-triggered pain.

Why Falls Can Cause Instability Without a Fracture

Ligaments stabilize vertebrae. A fall can:

  • force sudden twisting or bending.
  • strain ligament control.
  • create motion sensitivity that shows up during movement arcs.

Why Static Imaging May Not Explain It

Standard X-rays and MRI are valuable, but they often:

  • capture still positions.
  • miss mid-range instability.
  • under-represent movement sequencing issues.

How Digital Motion X-Ray Helps

DMX evaluates lumbar motion in real time and can document:

  • abnormal translation/angulation.
  • hinge segments.
  • motion patterns that correlate with symptom triggers.

How DMX Can Change Treatment

If abnormal motion is identified, providers may:

  • prioritize stabilization and controlled motion.
  • modify stretching and hinge training.
  • create a safer progression back to strength and activity.
  • reduce re-injury cycles caused by guessing.

FAQs

Can a fall cause lumbar instability without a fracture?

Yes. Ligament injury can alter motion control even when bones are intact.

Why does pain persist if X-rays are normal?

Because pain can be motion-driven, and static imaging may miss instability patterns.

What does DMX show in the low back?

Translation/angulation behavior and hinge patterns during movement.

Does DMX replace MRI?

No. DMX complements MRI/CT/X-ray when the key question is motion and stability.

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References

  • NCBI/PubMed: Lumbar segmental motion and instability biomechanics.
  • AAOS OrthoInfo: Back pain after injury and mechanical trigger education.

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Call 305-275-7475 orbook your appointment online

Dr. Rodolfo Alfonso, D.C.
Dr. Mark N. Berry, D.C.

Sunset Chiropractic and Wellness
8585 Sunset Dr. STE 102
Miami, Florida 33143