Concept

Arthrokinetic reflex

Résumé
The terms "arthrokinetic reflex" was coined by medical researchers at the University of Pittsburgh's Medical School, department of Physiology, in 1956 to refer to the way in which joint movement can reflexively cause muscle activation or inhibition. The prefix "Arthro-" means joint, "kinetic" signifies motion, and a reflex in humans refers to an involuntary movement in response to a given stimulus. Thus, the arthrokinetic reflex refers to the involuntary response that happens when a joint is moved, namely that relevant muscles fire reflexively. In 1956, Leonard Cohen and Manfred Cohen discovered that moving a decerebrate cat's knee joint resulted in muscle activation of the quadriceps or semitendinosus, depending on whether the knee joint was moved into flexion or extension. The results were published in the American Journal of Physiology (volume 184). The arthrokinetic reflex was later documented in other joints and muscle groups such as the Temporomandibular joint and mandibular mu
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