TABLE 4.

Summary of a study evaluating manual joint manipulation for chronic whiplash-associated disorder

Reference, year, country, score	Population and methods	Outcome measures	Results
Woodward et al (29), 1996, United Kingdom, no score	Case series. 28 patients with whiplash-associated disorder for 3 months received chiropractic treatment of undefined duration, consisting of spinal manipulation, proprioceptive neuromuscular facilitation and cryotherapy	Reports of pain, analgesic use and function were used to classify patients into four categories before and after treatment	A significant proportion (93%; P<0.001) of patients showed categorical improvement following treatment. 16 patients improved by one symptom group while 10 patients improved by two symptom groups