Table 1.

QTF classification of whiplash-associated disorders¹

Grade	Classification
0	No complaint about the neck. No physical signs
I	Neck complaint of pain, stiffness or tenderness only. No physical signs
II	Neck complaint and musculoskeletal signs. Musculoskeletal signs include decreased range of motion and point tenderness
III	Neck complaint and neurological signs. Neurological signs include decreased or absent deep tendon reflexes, weakness and sensory deficits
IV	Neck complain and fracture or dislocation

¹ Adopted from Ref. [1]