The understanding of whiplash biomechanics was forever changed in 1997. Researchers from Yale University School of Medicine performed a series of rear-end collisions on human cadavers while imaging their biomechanics with cineradiography (1). The results established that during the earliest phase of collision mechanics, the cervical spine forms an “S” shaped configuration, with flexion of […]
Arnold-Chiari Malformation and Chiropractic
Relevant Clinical Background A literature search of the United States National Library of Medicine using PubMed (www.pubmed.gov) with the words “Arnold Chiari Malformation” locates 2,995 citations (August 14, 1015). Chiropractic clinical practice involves the application of mechanical forces to a patient’s spinal column. Should the patient’s spinal column (spinal canal) have a space occupying entity, […]
What Really Is A Chiropractic “Adjustment”?
The June 2015 issue of the journal Scientific American has an article by primary care physician Wajahat Z. Mehal, MD, from the Department of Veterans Affairs Medical Center in Connecticut, and Yale University, titled (1): Cells on Fire In this article, Dr. Mehal notes that inflammation is set in motion by cells of the immune […]
Safety Update: Spinal Manipulation and Injury Risk
Four Recent Studies, Using Unique Assessment Approaches, Assess the Safety of Spinal Manipulation for the Treatment of Musculoskeletal Conditions BACKGROUND William H. Kirkaldy-Willis, MD, (1914-2006) was a pioneer in the understanding and treatment of spinal problems. In his life, he published 73 articles that are in the United States National Library of Medicine, and he […]
How Much Treatment is Necessary? Understanding Measurement Outcomes
The cost of healthcare is extremely high in the United States. According to the California HealthCare Foundation, these are the most recent numbers (1): United States Health Care Spending 2012 2014 (projected) Total Health Spending $2.8 Trillion $3.1 Trillion Health Care as Share of GDP 17.2% 18.3% Per CapitaSpending $8,915 $9,697 Growth in Total Spending […]
Whiplash Injury, Neck Pain, and Chiropractic
The Importance of Understanding the Relationship Between Vehicle Crush and Patient Injury The headline and front-page photographs were stunning and unbelievable. On Saturday, November 22, 2014, the front page of the San Francisco Chronicle newspaper led with this headline (1): 11-Story Plummet: What Onlookers Saw “The first inkling that office workers scurrying along Montgomery Street […]
Lumbar Spine Degenerative Disc Disease and Chiropractic Spinal Adjusting Pathophysiology, Safety, Effectiveness
Introduction A pioneering study was published in The New England Journal of Medicine in 1994 (1). Researchers from Hoag Memorial Hospital in Newport Beach, California, performed magnetic resonance imaging (MRI) examinations on 98 people who did not have back pain. Sixty-four percent of the 98 asymptomatic subjects were found to have abnormal lumber spine discs. […]
On-Site Chiropractic Services
Anheuser-Busch is the world’s leading brewing company. One of their wholesalers, Brewers Distributing, is located in Peoria, IL. Many of their employees spend most of their time moving around heavy cases and kegs of beer. “Having noticed a large number of workers compensation cases due to lifting-related injuries, the company decided to introduce several workplace […]
Cervical Artery Dissection AND Cervical Spine Manipulation
DEFINITIONS Scientific research articles use words that have important meanings in interpreting the value of a study. Such important words include: Correlation / Association Causation Reverse Causation We will use the words correlation and association as being synonymous, or as being the same. Correlation (association) (1): There is a relationship between two or more variables. […]
Migraine Headache
Pathoanatomy and Management Options Understanding the Upper Cervical Spine The strict definition of migraine headache is (8): The headache must last 4 to 72 hours. The headache must be associated with nausea and/or vomiting, or photophobia, and/or phonophobia. The headache must be characterized by 2 of the following 4 symptoms: unilateral location throbbing pulsatile quality […]
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