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syndesmosis
A syndesmosis is a slightly movable fibrous joint in which bones such as the tibia and fibula are joined together by connective tissue. Examples include the distal tibiofibular joint as well as the radioulnar joint. Injuries to the ankle syndesmosis are commonly known as a "high ankle sprain". Although the syndesmosis is a joint, in the literature the term syndesmotic injury is used to describe injury of the syndesmotic ligaments. It comes from the Greek σύν, ''syn'' (meaning "with") and δεσμός, ''desmos'' (meaning "a band"). Syndesmosis sprains have received increasing recognition during recent years because of a heightened awareness of the mechanism, symptoms, and signs of injury.〔Jones, MH; Amendola, A. "Syndesmosis sprains of the ankle". Lippincott Williams & Wilkins, 2007, p.173-75.〕
==Diagnosis of a Syndesmotic Injury==
Diagnosis of syndesmosis injuries by physical examination is often straightforward. Physical examination findings that are often positive include the squeeze test and the external rotation test. Patients with high-grade syndesmosis injuries often cannot perform a single-leg heel raise. Patients report pain over the anterior and often posterior distal fibular joint.〔Johnson, Darren L, MD; Metzler, Adam V, MD. "Dynamically Unstable Syndesmosis Injuries". Slack Incorporated, 2013, p.209-11.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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