In 2005, the chiropractic subluxation was defined by the World Health Organization as "a lesion or dysfunction in a joint or motion segment in which alignment, movement integrity and/or physiological function are altered, although contact between joint surfaces remains intact.[46] It is essentially a functional entity, which may influence biomechanical and neural integrity."[46] This differs from the medical definition of subluxation as a significant structural displacement, which can be seen with static imaging techniques such as X-rays.[46] This exposes patients to harmful ionizing radiation for no evidentially supported reason.[47][48] The 2008 book Trick or Treatment states "X-rays can reveal neither the subluxations nor the innate intelligence associated with chiropractic philosophy, because they do not exist."[6] Attorney David Chapman-Smith, Secretary-General of the World Federation of Chiropractic, has stated that "Medical critics have asked how there can be a subluxation if it cannot be seen on X-ray. The answer is that the chiropractic subluxation is essentially a functional entity, not structural, and is therefore no more visible on static X-ray than a limp or headache or any other functional problem."[49] The General Chiropractic Council, the statutory regulatory body for chiropractors in the United Kingdom, states that the chiropractic vertebral subluxation complex "is not supported by any clinical research evidence that would allow claims to be made that it is the cause of disease."[50]


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]
Throughout its history chiropractic has been the subject of internal and external controversy and criticism.[22][224] According to Daniel D. Palmer, the founder of chiropractic, subluxation is the sole cause of disease and manipulation is the cure for all diseases of the human race.[4][42] A 2003 profession-wide survey[38] found "most chiropractors (whether 'straights' or 'mixers') still hold views of innate Intelligence and of the cause and cure of disease (not just back pain) consistent with those of the Palmers."[225] A critical evaluation stated "Chiropractic is rooted in mystical concepts. This led to an internal conflict within the chiropractic profession, which continues today."[4] Chiropractors, including D.D. Palmer, were jailed for practicing medicine without a license.[4] For most of its existence, chiropractic has battled with mainstream medicine, sustained by antiscientific and pseudoscientific ideas such as subluxation.[37] Collectively, systematic reviews have not demonstrated that spinal manipulation, the main treatment method employed by chiropractors, is effective for any medical condition, with the possible exception of treatment for back pain.[4] Chiropractic remains controversial, though to a lesser extent than in past years.[25]
The most common cause of shoulder pain and neck pain is injury to the soft tissues, including the muscles, tendons, and ligaments within these structures. There is nearly double the risk for developing neck pain for people who spend most of their day sitting at work. Neck pain is twice as likely for those sitting in poor posture with the head in a flexed forward position.

Finding a good, or even great, chiropractor doesn’t happen just by chance. It’s like anything else today–there are online options for finding user-generated reviews and recommendations to help you find the best chiropractor close to you. Add that to your network of family and friends, and peer-reviewed sites like PainDoctor.com, and you have the tools you need to make the best decision for you.
Many states also require applicants to pass a background check and state-specific law exams, called jurisprudence exams. All states require a practicing chiropractor to take continuing education classes to maintain his or her chiropractic license. Check with your state’s board of chiropractic examiners or health department for more specific information on licensure.

Chiropractors use hands-on spinal manipulation and other alternative treatments, the theory being that proper alignment of the body's musculoskeletal structure, particularly the spine, will enable the body to heal itself without surgery or medication. Manipulation is used to restore mobility to joints restricted by tissue injury caused by a traumatic event, such as falling, or repetitive stress, such as sitting without proper back support.
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