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introductionstatpearls· Introduction· item NBK541086

The talus is the second largest bone in the hindfoot region of the human body. Responsible for transmitting body weight and forces passing between the lower leg and the foot[1] the talus is a component of many multiple joints, including the talocrural (ankle), subtalar, and transverse tarsal joints.[2] While the talus does not have any direct muscular attachments and has a tenuous and limited blood supply, it serves as the site of attachment for many ligaments including the lateral ankle ligaments and medial deltoid ligament complex.  Talus fractures comprise about 1% of all foot and ankle fractures. Additionally, nearly 70% of ankle injuries can cause varying degrees of chondral and osteochondral injuries to the talus.[3][4][5] The clinician must be aware of the occurrence of both isolated and associated talar injuries and their extent of clinical and potentially long-term implications.[6][7][8][9]