Sharp neck pain is not in itself a red flag. Believe it or not there is no common worrisome cause of neck pain that is indicated by a sharp quality. In fact, oddly, sharp pains are actually a bit reassuring, despite how they feel. In isolation — with no other obvious problem — they usually indicate that you just have a temporary, minor source of irritation in the cervical spine. Serious causes of neck pain like infections, tumours, and spinal cord problems tend grind you down with throbbing pains, not “stab” you.
Holism assumes that health is affected by everything in an individual's environment; some sources also include a spiritual or existential dimension.[34] In contrast, reductionism in chiropractic reduces causes and cures of health problems to a single factor, vertebral subluxation.[32] Homeostasis emphasizes the body's inherent self-healing abilities. Chiropractic's early notion of innate intelligence can be thought of as a metaphor for homeostasis.[30]
Early chiropractors believed that all disease was caused by interruptions in the flow of innate intelligence, a vitalistic nervous energy or life force that represented God's presence in man; chiropractic leaders often invoked religious imagery and moral traditions.[23] D.D. Palmer said he "received chiropractic from the other world".[24] D.D. and B.J. both seriously considered declaring chiropractic a religion, which might have provided legal protection under the U.S. constitution, but decided against it partly to avoid confusion with Christian Science.[23][216] Early chiropractors also tapped into the Populist movement, emphasizing craft, hard work, competition, and advertisement, aligning themselves with the common man against intellectuals and trusts, among which they included the American Medical Association (AMA).[23]
A D.C. program includes classwork in anatomy, physiology, biology, and similar subjects. Chiropractic students also get supervised clinical experience in which they train in spinal assessment, adjustment techniques, and making diagnoses. D.C. programs also may include classwork in business management and in billing and finance. Most D.C. programs offer a dual-degree option, in which students may earn either a bachelor’s or a master’s degree in another field while completing their D.C.
Chiropractic has seen considerable controversy and criticism.[25][26] Although D.D. and B.J. were "straight" and disdained the use of instruments, some early chiropractors, whom B.J. scornfully called "mixers", advocated the use of instruments.[23] In 1910, B.J. changed course and endorsed X-rays as necessary for diagnosis; this resulted in a significant exodus from the Palmer School of the more conservative faculty and students.[23] The mixer camp grew until by 1924 B.J. estimated that only 3,000 of the U.S.'s 25,000 chiropractors remained straight.[23] That year, B.J.'s invention and promotion of the neurocalometer, a temperature-sensing device, was highly controversial among B.J.'s fellow straights. By the 1930s, chiropractic was the largest alternative healing profession in the U.S.[23]
Like their MD colleagues, doctors of chiropractic are subject to the boundaries established in state practice acts and are regulated by state licensing boards. Further, their education in four-year doctoral graduate school programs is nationally accredited through an agency that operates under the auspices of the U.S. Department of Education. After graduation, they must pass national board exams before obtaining a license to practice, and then must maintain their license annually by earning continuing education (CE) credits through state-approved CE programs.  
Chiropractic is well established in the United States, Canada, and Australia.[18] It overlaps with other manual-therapy professions such as osteopathy and physical therapy.[19] Most who seek chiropractic care do so for low back pain.[20] Back and neck pain are considered the specialties of chiropractic, but many chiropractors treat ailments other than musculoskeletal issues.[4] Many chiropractors describe themselves as primary care providers,[4][21] but the chiropractic clinical training does not support the requirements to be considered primary care providers,[2] so their role on primary care is limited and disputed.[2][21] Chiropractic has two main groups: "straights", now the minority, emphasize vitalism, "innate intelligence", and consider vertebral subluxations to be the cause of all disease; "mixers", the majority, are more open to mainstream views and conventional medical techniques, such as exercise, massage, and ice therapy.[22]
^ Jump up to: a b Biller, J.; Sacco, R. L.; Albuquerque, F. C.; Demaerschalk, B. M.; Fayad, P.; Long, P. H.; Noorollah, L. D.; Panagos, P. D.; Schievink, W. I.; Schwartz, N. E.; Shuaib, A.; Thaler, D. E.; Tirschwell, D. L. (2014). "Cervical Arterial Dissections and Association With Cervical Manipulative Therapy: A Statement for Healthcare Professionals From the American Heart Association/American Stroke Association". Stroke. 45 (10): 3155–74. doi:10.1161/STR.0000000000000016. ISSN 0039-2499. PMID 25104849.
Requirements vary between countries. In the U.S. chiropractors obtain a first professional degree in the field of chiropractic.[164] Chiropractic education in the U.S. have been criticized for failing to meet generally accepted standards of evidence-based medicine.[165] The curriculum content of North American chiropractic and medical colleges with regard to basic and clinical sciences has been more similar than not, both in the kinds of subjects offered and in the time assigned to each subject.[166] Accredited chiropractic programs in the U.S. require that applicants have 90 semester hours of undergraduate education with a grade point average of at least 3.0 on a 4.0 scale. Many programs require at least three years of undergraduate education, and more are requiring a bachelor's degree.[167] Canada requires a minimum three years of undergraduate education for applicants, and at least 4200 instructional hours (or the equivalent) of full‐time chiropractic education for matriculation through an accredited chiropractic program.[168] Graduates of the Canadian Memorial Chiropractic College (CMCC) are formally recognized to have at least 7–8 years of university level education.[169][170] The World Health Organization (WHO) guidelines suggest three major full-time educational paths culminating in either a DC, DCM, BSc, or MSc degree. Besides the full-time paths, they also suggest a conversion program for people with other health care education and limited training programs for regions where no legislation governs chiropractic.[46]
Most people believe that chiropractors treat back pain. That is true, but there is so much more that chiropractic care can achieve. Because chiropractors help to remove pressure from the nervous system, they can also influence many other conditions. It is common to hear chiropractic patients say that they came in for back pain and their headaches got better.

I finally met the chiropractor! We started out by talking a little about the reason for my visit, and what my goals were. Next, he performed a Selective Functional Movement Assessment, which basically helps the chiropractor find the root and cause of any symptoms—they do this by breaking down dysfunctional patterns logically rather than simply finding the obvious source of the pain.
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