The Quebec Classification of Whiplash Associated Disorders

Grade Clinical Presentation
0 No complaints about the neck, no physical signs
1 Neck complaints of pain, stiffness, or tenderness only No physical signs
2 Neck complaint AND Musculoskeletal signs (decreased range of motion and point tenderness)
3 Neck complaint AND neurological signs (decreased or absent deep tendon reflexes, weakness, and sensory deficits)
4 Neck complaint AND fracture or dislocation

Symptoms and disorders that can be manifest in all grades include deafness, dizziness, tinnitus (ringing in the ears), headache, memory loss, dysphagia (difficulty swallowing), and temporomandibular joint pain.

Scientific Monograph of the Quebec Task Force on Whiplash - Associated Disorders: Redefining "Whiplash" and its Management. Walter O. Spitzer et al; Spine, Volume 20, Number 8S, 1995.

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