Objectives: To present the pros and cons of passive physical therapy modalities, on the basis of the existing body of evidence, for the management of neck disorders namely whiplash-associated disorders and all other nonspecific neck disorders and complaints. Findings: The existing body of evidence on effectiveness is extremely disappointing. Only a handful of studies have met minimal methodological standards in the field of physiotherapy, including medical and surgery. Of all passive physical therapy modalities only mobilization/manipulation have shown some evidence of effectiveness. Conclusions: The long list of passive physical therapy modalities must be drastically shortened. The impression that manual therapy and physiotherapy may be more efficacious than medicine in the management of neck disorders may be explained by the patient's desire for a more "holistic approach" which includes personal and physical contact. The cons of passive modalities are that they may lead to patient's passivity, inactivit...