After a collision, many patients have disabling symptoms headaches, dizziness, neck pain, reduced function yet MRI and standard X-rays may appear mild or “normal.” If symptoms are reproducible with movement (rotation, extension, flexion, transitions), the injury may be functional and motion dependent. DMX evaluates cervical motion in real time and can document translation/angulation patterns, asymmetry, and hinge behavior that may help explain motion-triggered impairment. (Educational only; not legal advice.)
- Many post-collision symptoms are motion triggered; static imaging may not capture the mechanism.
- DMX documents motion behavior through guided arcs and can reveal asymmetry and hinge patterns.
- Highest value comes when findings connect to functional limitations and a stabilization-focused plan.
Last updated: April 14, 2026
Reviewed by: DMX Miami clinical team
In South Florida, a consistent story is: “My MRI is normal, but I’m not.” Patients can’t tolerate driving, screens, or busy stores without headaches and neck fatigue. We serve Miami, Fort Lauderdale, Miami-Dade, Broward, the Florida Keys, and visitors from the USA, Colombia, Chile, Argentina, Mexico, and the Caribbean.
Important: This blog is educational and not legal advice. Consult an attorney for legal matters. Seek urgent care for red flags.
Why normal MRI doesn’t always match impairment
Whiplash can involve ligament strain and altered motion control, asymmetry, hinge patterns, and chronic guarding motion behaviors that may not appear on static studies.
The key clue: reproducible triggers
Common triggers: blind-spot checks, looking up at traffic lights, screen flexion, quick head turns, late-day heavy head fatigue, and dizziness in visually complex environments.
What DMX evaluates
DMX evaluates translation, angulation, symmetry, hinge patterns, and sequencing through guided arcs.
Documentation should be functional
Connect findings to function: driving tolerance, desk tolerance, sleep disruption, shopping/crowds, headache frequency.
Common pitfalls DMX helps avoid
Treating pain location as the driver, over-stretching unstable patterns, repeating the same approach despite relapse.
FAQs
Why can I feel disabled if my MRI is normal?
Because some post-collision impairment is motion dependent and not captured on static imaging.
What does DMX add?
Real-time translation/angulation behavior, asymmetry, and hinge patterns during movement arcs.
Does DMX replace MRI?
No.
References
- Cleveland Clinic: Whiplash and neck pain education.
- PubMed-indexed literature on whiplash-associated disorders and cervical biomechanics.
Learn more: Treatment
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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