Evolution of Spinal Immobilization
Spinal immobilization has undergone significant changes in recent years. The traditional practice of placing every trauma patient on a long backboard with a cervical collar has been replaced by a more evidence-based approach called spinal motion restriction (SMR). Understanding current guidelines is essential for the NREMT exam.
When Spinal Motion Restriction Is Indicated
Apply spinal motion restriction when the patient has a mechanism capable of causing spinal injury AND any of the following:
- Altered mental status (GCS less than 15, intoxication, head injury)
- Midline spinal tenderness on palpation
- Neurological deficit (numbness, tingling, weakness, paralysis)
- Distracting injury (long bone fracture, significant laceration, abdominal injury)
- Inability to communicate reliably (language barrier, age, cognitive impairment)
When Spinal Motion Restriction May Not Be Needed
A patient may be cleared of spinal precautions in the field when ALL of the following criteria are met:
- Alert and oriented with GCS of 15
- No intoxication
- No midline spinal tenderness
- No neurological deficits
- No distracting injuries
- Able to communicate reliably
Follow your local protocol for spinal clearance criteria. Some systems allow EMTs to clear spines in the field; others require ALS or physician clearance.
Current Best Practices
Cervical Collar Application
Apply a properly sized cervical collar to patients meeting SMR criteria. Measure from the top of the shoulder to the angle of the jaw. The collar should fit snugly without compressing the jugular veins or restricting breathing. Maintain manual stabilization until the patient is fully secured.
Long Backboard vs. Scoop Stretcher
The long backboard is increasingly being used only as an extrication device, not a transport device. Evidence shows that backboards cause pain, pressure injuries, and respiratory restriction without proven benefit. Many systems now use a scoop stretcher or vacuum mattress for transport, which conforms to the patient's body and causes less discomfort.
Ambulatory Patients
If a patient meeting SMR criteria is found standing or walking, do not force them to the ground for backboard application. Have them sit on the stretcher, apply a cervical collar, and lay them down. Forcing a standing patient to the ground creates more spinal movement than controlled positioning.
Special Considerations
Penetrating trauma: Current evidence does not support routine spinal immobilization for isolated penetrating trauma without neurological deficit. The time spent on immobilization delays transport to definitive care without proven benefit.
Pediatric patients: Children under 8 years may need padding under their torso (not under the head) on a backboard because their proportionally larger head causes cervical flexion when lying flat.
Elderly patients: Consider pre-existing spinal conditions (kyphosis, arthritis, spinal stenosis). Do not force an elderly patient into a position that causes pain. Pad to accommodate their normal spinal alignment.