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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Applied kinesiology | 1/2 | https://en.wikipedia.org/wiki/Applied_kinesiology | reference | science, encyclopedia | 2026-05-05T09:16:57.083838+00:00 | kb-cron |
Applied kinesiology (AK), also known as muscle testing, is a pseudoscience-based technique in alternative medicine claimed to be able to diagnose illness or choose treatment by testing muscles for strength and weakness. According to their guidelines on allergy diagnostic testing, the American College of Allergy, Asthma and Immunology stated there is "no evidence of diagnostic validity" of applied kinesiology. Another study indicated that the use of applied kinesiology to evaluate nutrient status is "no more useful than random guessing." The American Cancer Society has said that "scientific evidence does not support the claim that applied kinesiology can diagnose or treat cancer or other illness".
== History and current use == George J. Goodheart, a chiropractor, originated applied kinesiology in 1964 and began teaching it to other chiropractors. An organization of Goodheart Study Group Leaders began meeting in 1973, selected the name "The International College of Applied Kinesiology" (ICAK) in 1974, adopted bylaws in 1975, elected officers in 1975, and "certified" its charter members (called "diplomates") in 1976. ICAK now considers 1976 to be the date it was founded and 1973 to be the date that its first chairman took office. AK grew in popularity among Mormon alternative medicine culture. In Educated, Tara Westover recounts her Mormon mother beginning to practice AK in the mid-to-late 1990s. In 2007, Mormon chiropractor Bradley Nelson published the AK book The Emotion Code, which further popularized the practice. While AK is primarily used by chiropractors, it is also used by many other practitioners of complementary therapy. In 2003, it was the 10th most frequently used chiropractic technique in the United States, with 37.6% of chiropractors employing this method and 12.9% of patients being treated with it. Some basic AK-based techniques have also been used by nutritional supplement distributors, including multilevel distributors.
== Claims == Applied kinesiology is presented as a system that evaluates structural, chemical, and mental aspects of health by using a method referred to as muscle response testing or manual muscle testing (MMT) alongside conventional diagnostic methods. The essential premise of applied kinesiology, which is not shared by mainstream medical theory, is that every organ dysfunction is accompanied by a weakness in a specific corresponding muscle, known as the "viscerosomatic relationship". Treatment modalities relied upon by AK practitioners include joint manipulation and mobilization, myofascial, cranial and meridian therapies, clinical nutrition, and dietary counseling.
=== Muscle testing === A manual muscle test in AK is conducted by having the patient use the target muscle or muscle group to resist while the practitioner applies a force. A smooth response is sometimes referred to as a "strong muscle," and a response that was not appropriate is sometimes called a "weak response". This is not a raw test of strength, but rather a subjective evaluation of tension in the muscle and smoothness of response, taken to be indicative of a difference in spindle cell response during contraction. These differences in muscle response are claimed to be indicative of various stresses and imbalances in the body. A weak muscle test is equated to dysfunction and chemical or structural imbalance or mental stress, indicative of suboptimal functioning. It may be suboptimal functioning of the tested target muscle, or a normally optimally functioning muscle can be used as an indicator muscle for other physiological testing. A commonly known and very basic test is the arm-pull-down test, or "Delta test," where the patient resists as the practitioner exerts a downward force on an extended arm. Proper positioning is paramount to ensure that the muscle in question is isolated or positioned as the prime mover, minimizing interference from adjacent muscle groups.
=== Nutrient testing === Nutrient testing is used to examine the response of a patient's various muscles to assorted chemicals. Gustatory and olfactory stimulation are said to alter the outcome of a manual muscle test, with previously weak muscles being strengthened by application of the correct nutritional supplement, and previously strong muscles being weakened by exposure to harmful or imbalancing substances or allergens. Though its use is deprecated by the ICAK, stimulation to test muscle response to a certain chemical is also done by contact or proximity (for instance, testing while the patient holds a bottle of pills).
=== Therapy localization === Therapy localization is another diagnostic technique using manual muscle testing, which is unique to applied kinesiology. The patient places a hand that is not being tested on the skin over an area suspected to need therapeutic attention. This fingertip contact may lead to a change in muscle response from strong to weak or vice versa when therapeutic intervention is indicated. If the area touched is not associated with a need for such intervention, the muscle response is unaffected.