For chiropractors practicing today, Dr. Warren Hammer’s legacy is particularly visible in several areas that have become familiar components of modern musculoskeletal care: his early work with the Graston Technique and instrument-assisted soft-tissue mobilization; his extensive writing and teaching on functional soft-tissue examination and treatment; his role in bringing fascial manipulation to U.S. clinicians; and his decades spent educating chiropractors and other health professionals.
Prevalence of Cervicogenic Headache
Headache is a common problem affecting 16 percent of the population at any given time. What percentage of headaches are of cervicogenic origin?
General Population -- 2.5%
Headache Sufferers (=> 5 days/mo) -- 17.8%
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Nilsson N. The prevalence of cervicogenic headache in a random population sample of 20-59 year olds. Spine 1995;20:1884-1888.