November 2012
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The Mechanics of Neck Manipulation With Special Consideration of the Vertebral Artery

Chiro.Org Blog: So, when does the vertebral artery, or for that matter, any tissue, become injured? For mechanical injury to occur, the forces (stresses) in the tissue must exceed the microstructural and macrostructural failure limits of the tissue. Therefore, we started to investigate the question: What are the forces (stresses) and elongations (strains) of the vertebral artery during normal movements, diagnostic procedures, and high-speed, low-amplitude cervical spine treatments; and what are the corresponding failure forces and elongations? […]

Lives Lived – Ronald Gitelman, DC

Chiro.Org Blog: Chiropractor, husband, father, outdoorsman, craftsman. Born Jan. 26, 1937, in Trenton, Ont., died Oct. 7, 2012, in Toronto from pancreatic cancer, aged 75. […]