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A high ankle sprain, also known as a syndesmotic ankle sprain (SAS), is a sprain of the syndesmotic ligaments that connect the tibia and fibula in the lower leg, thereby creating a mortise and tenon joint for the ankle. High ankle sprains are described as high because they are located above the ankle. They comprise approximately 15% of all ...
Ankle sprains are classified as grade 1, 2, or 3, [8] and, depending on the amount of damage or the number of ligaments that are damaged, each sprain is classified from mild to severe. A grade 1 sprain is defined as mild damage to a ligament or ligaments without instability of the affected joint.
The calcaneofibular ligament is commonly sprained ligament in ankle injuries. [2] It may be injured individually, or in combination with other ligaments such as the anterior talofibular ligament and the posterior talofibular ligament .
Grade Sequence Supination-Adduction: Talofibular ligament sprain or distal fibular avulsion fracture; Vertical medial malleolus fracture and impaction of anteromedial distal tibia; Supination-External rotation: Anterior tibiofibular ligament sprain; Lateral short oblique fibular fracture (anteroinferior to posterosuperior)
The most common ligament involved in ankle sprain is the anterior talofibular ligament. posterior talofibular ligament The posterior talofibular ligament runs horizontally between the neck of the talus and the medial side of lateral malleolus
Sinus tarsi syndrome can have a variety of causes. The most common is an inversion (rolling out) ankle sprain, which makes up 70-80% of cases, followed by pronation of the foot, which is responsible for about 20-30% of cases. [3] More rarely, excessive physical activity and other forms of foot trauma/chronic ankle injury are thought to be the ...