When the Neck Injury Doesn’t Fit the Standard Protocol

Most whiplash presentations after a motor vehicle collision follow a predictable clinical arc. Acute pain, restricted motion, soft tissue involvement, gradual resolution with conservative care. The majority of patients do improve with standard active management, and that’s well established.

The cases that don’t resolve cleanly are the ones worth paying attention to.

A case report published in Cureus in March 2026 (DOI: 10.7759/cureus.104584) describes a 28-year-old woman who presented with persistent neck pain, neurological deficits, and significant functional limitation following a motor vehicle collision. Her history included moderate thoracic scoliosis. cureus That detail matters more than it might initially appear.

What the initial evaluation showed

On examination she presented with forward head posture, reduced cervical extension, right-sided C8 sensory disturbance, and right C5-C8 motor weakness. Radiographic analysis demonstrated reduced cervical lordosis along with abnormal segmental angular and translational motion on flexion-extension imaging. Her baseline Functional Rating Index score was 23, indicating substantial disability. cureus

That’s a neurologically involved post-collision presentation with measurable radiographic instability indicators. Not a straightforward soft tissue case.

The C8 sensory disturbance combined with C5-C8 motor weakness across that distribution points toward segmental involvement that goes beyond myofascial injury. Reduced cervical lordosis in the sagittal plane following trauma is a finding that often gets minimized in standard post-MVC workups, particularly when imaging is read for fracture exclusion rather than alignment analysis. Flexion-extension views showing abnormal intersegmental translation add a dynamic instability component that static imaging would miss entirely.

The pre-existing scoliosis is not incidental here. A spine that already has coronal and sagittal compensatory patterns is starting from a different baseline than a structurally normal cervical spine. The compensatory mechanisms are already taxed before the collision occurs. That changes how the cervical spine absorbs and distributes the kinetic load, and it changes how recovery is likely to unfold.

The treatment approach

The patient underwent a structured course of conservative spinal rehabilitation over 17 visits, emphasizing sagittal alignment restoration, neuromuscular retraining, and segmental motion control. cureus

This is a structural rehabilitation approach, not standard symptom-management chiropractic care. The distinction matters. The protocol is built around measurable radiographic targets, specifically restoring cervical lordosis and reducing abnormal intersegmental translation, alongside the neuromuscular retraining needed to maintain those corrections under load.

What changed at three months

Follow-up evaluation at three months demonstrated normalization of dermatomal sensation and motor strength, improved cervical range of motion, and a reduction in functional disability with the Functional Rating Index dropping from 23 to 3. Repeat radiographs showed increased cervical lordosis and decreased abnormal intersegmental translation. cureus

A Functional Rating Index drop from 23 to 3 is a clinically meaningful change. The neurological normalization, specifically dermatomal sensation and motor strength returning to baseline, alongside the radiographic changes, makes this case worth examining carefully.

What this case does and doesn’t tell us

The authors are appropriately cautious. A single case report cannot establish causation. We can’t say with certainty that the structural rehabilitation protocol produced the neurological recovery rather than natural history, or some combination of both. That limitation is real and shouldn’t be papered over.

What it does document is concurrent neurological and radiographic change in a complex presentation involving pre-existing scoliosis. The timeline is three months. The functional outcome is dramatic. The radiographic changes are measurable and objective.

For clinicians managing post-MVC cases, particularly those with neurological involvement that doesn’t resolve on a standard trajectory, this case raises a clinically relevant question: are you evaluating sagittal alignment and dynamic segmental motion, or are you only looking at static imaging for acute pathology? And for patients with pre-existing spinal conditions entering a collision-related presentation, are those structural baselines being factored into the evaluation and treatment planning?

The answer to both questions in most clinical settings is no. That’s the gap this research is pointing at.

Full citation: Dick JM, Paige P. Radiographic Sagittal Alignment and Neurological Changes Following Conservative Cervical Structural Rehabilitation After Motor Vehicle Collision in a Patient With Pre-existing Scoliosis: A Case Report. Cureus. 2026 Mar 2;18(3):e104584. doi: 10.7759/cureus.104584. PMID: 41783554; PMCID: PMC12954460.Read the full article: cureus.com/articles/469308