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The Missing Link in Chronic Whiplash: What MRI Shows About Alar Ligament Injury

One of the most difficult challenges for Boston personal injury attorneys is the client with persistent whiplash symptoms months after a car crash—despite “normal” imaging.

In cases throughout Boston and the Greater Boston Area, this scenario is common. Clients report ongoing neck pain, headaches, dizziness, and functional limitations, while the defense relies on unremarkable MRIs to argue “no injury.”

Emerging evidence suggests something critical is often overlooked: alar ligament injury.

A 2015 study by Chen et al. in the Journal of Central South University of Medical Science examined MRI findings in patients with chronic whiplash and suspected alar ligament injury, particularly in older adults—offering a clearer explanation for persistent symptoms and a pathway to stronger causation arguments.

What Are the Alar Ligaments?

The alar ligaments are key stabilizers of the upper cervical spine, connecting the dens (C2) to the occiput. They:

  • Limit excessive head rotation
  • Stabilize the upper cervical spine
  • Protect nearby neurological and vascular structures

Given their role, these ligaments are vulnerable during rear-end collisions, where rapid rotation and extension occur before muscular protection can engage.

Why These Injuries Are Commonly Missed

Standard MRI protocols are not designed to fully assess the alar ligaments.

Routine studies prioritize:

  • Disc pathology
  • Spinal cord findings
  • Gross structural abnormalities

Subtle upper cervical ligament injuries may be missed without targeted sequences or expert review—creating the classic litigation problem:

👉 Symptoms are real
👉 The injury exists
👉 The MRI appears “normal”

What the Study Demonstrates

Chen et al. identified alar ligament abnormalities on MRI in a subset of chronic whiplash patients. Their findings support:

  • A structural basis for persistent symptoms
  • The importance of upper cervical evaluation
  • The role of MRI—when properly applied—in identifying otherwise hidden injuries

These injuries can explain:

  • Chronic neck pain
  • Occipital headaches
  • Dizziness and imbalance
  • Reduced cervical stability

Why This Matters in Boston Personal Injury Cases

1. Explains Chronic Symptoms

Alar ligament injury provides a biomechanical explanation for ongoing complaints when other findings are limited.

2. Counters “Normal MRI” Arguments

A standard MRI is not a complete evaluation of cervical ligaments—particularly at C0–C2.

3. Strengthens Causation

The forces in a rear-end collision are consistent with stress placed on the alar ligaments, especially with head rotation.

4. Supports Advanced Imaging & Expert Review

These cases often require specialized interpretation to identify clinically relevant findings.

The Elderly Patient Factor

The study’s focus on older patients is particularly relevant in Boston demographics.

Age-related changes may:

  • Reduce ligament elasticity
  • Increase susceptibility to injury
  • Delay or impair recovery

This helps explain why seemingly minor collisions can lead to prolonged disability in older individuals.

Strengthening Documentation in Boston Cases

For attorneys handling cases in Boston, Cambridge, Newton, Brookline, Quincy, and Somerville, consider:

  • Mechanism of injury (including head position)
  • Persistence and consistency of symptoms
  • Functional limitations (work, ADLs)
  • Whether upper cervical ligaments were specifically evaluated
  • Expert review of MRI studies

Why Expert Involvement Matters

This is precisely where expert consultation becomes critical.

In complex whiplash cases involving persistent symptoms and “normal” imaging, you should consult with an experienced clinician who understands upper cervical ligament injury and advanced imaging interpretation.

👉 This is why attorneys frequently consult with car crash experts like Dr. Quigley, who specializes in correlating:

  • Clinical findings and causation
  • Biomechanics of injury
  • Advanced imaging interpretation

Comprehensive narrative reports that connect these elements can significantly strengthen causation, damages, and case clarity for insurers and juries.

The Bottom Line

Chronic whiplash cases are often misunderstood because the most important injuries—like those involving the alar ligaments—may not be visible on routine imaging.

For Boston personal injury attorneys, the key takeaway is clear:

The absence of findings on standard MRI does not rule out significant injury—especially in the upper cervical spine.

Understanding these nuances—and involving the right expert—can make the difference between a disputed claim and a well-supported case. Call Dr. Quigley today at 617-720-1992 to discuss your case. Click here to view his credentials.

Literature Citation

Chen J, Wang W, Han G, Han X, Li X, Zhan Y. MR investigation in the evaluation of chronic whiplash alar ligament injury in elderly patients. PMID: 25652377. doi:10.11817/j.issn.1672-7347.2015.01.011.

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Dr. Christopher Quigley

“I was majoring in chemistry at Villanova University when my path turned to chiropractic. I was going on interviews to be a pharmaceutical sales representative, and they always asked me what I wanted to be doing in five years. My answer was always the same: “I want to be helping people, enjoying my work, while making a difference.”

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