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Chiropractic is a complementary medical practice that treats problems with the musculoskeletal system. Its main focus is spine care.
The musculoskeletal system is made up of a person’s muscles, bones, joints, cartilage, and tendons. It supports a person’s body, allows them to move, and protects their organs.
Traditionally, chiropractic was based on the belief that problems with the musculoskeletal system caused disease through the central nervous system. This belief is no longer officially part of the practice.
This article explores chiropractic manipulation and the scientific evidence available to support its effectiveness. It also considers safety and what to expect at a chiropractic adjustment appointment.
What is chiropractic manipulation?
The word chiropractic comes from the Greek words cheir (hands) and praxis (practice). As the name suggests, it is a hands-on therapy.
Chiropractic manipulation is the application of pressure to a person’s spine or other parts of their body by a qualified chiropractic doctor, or chiropractor. This pressure allows a chiropractor to adjust and correct alignment.
Chiropractic manipulation aims to reduce pain and improve mechanical function, or the way a person moves.
The basis of chiropractic manipulation
Modern chiropractic is based on a spinal care model. But chiropractic manipulation has its roots in less scientific theories.
Historically, chiropractors believed that a misaligned spinal column could cause disease. This was thought to happen via the central nervous system and something called “innate knowledge”.
The theory was called “vertebral subluxation complex”. Early practitioners believed 95 percent of diseases were caused this way. They believed that chiropractic manipulation would correct problems in the musculoskeletal system and, in turn, cure disease.
Skeptics and scientists found this belief to be lacking in scientific basis. Early chiropractors also rejected the germ theory of disease and immunization. As a result, chiropractic lacked legitimacy in the eyes of the scientific community.
Chiropractic theory has since evolved. It is becoming more accepted as a treatment for musculoskeletal pain.
In 2009, a study published in the journal Chiropractic & Osteopathy explored the theory behind vertebral subluxation complex. It concluded that there was a lack of evidence to fulfill the basic criteria of causation. This meant it was unscientific for chiropractors to claim disease was caused this way.
In 2014, The International Chiropractic Education Collaboration put out a position statement making it clear that the profession no longer supported the vertebral subluxation complex theory: