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Patients generally do not report pain near the proximal fibula, so physical examination such as palpation along the fibula is effective for differentiating a Maisonneuve fracture from an isolated syndesmotic injury. [4] Feeling pain near the proximal fibula during palpation is a positive indication of a Maisonneuve fracture. [12]
Structures found in the posterolateral corner include the tibia, fibula, lateral femur, iliotibial band (IT band), the long and short heads of the biceps femoris tendon, the fibular (lateral) collateral ligament (FCL), the popliteus tendon, the popliteofibular ligament, the lateral gastrocnemius tendon, and the fabellofibular ligament.
The Bosworth fracture is a rare fracture of the distal fibula with an associated fixed posterior dislocation of the proximal fibular fragment which becomes trapped behind the posterior tibial tubercle. The injury is caused by severe external rotation of the ankle. [1]
A tib-fib fracture is a fracture of both the tibia and fibula of the same leg in the same incident. In 78% of cases, a fracture of the fibula is associated with a tibial fracture. [6] Since the fibula is smaller and weaker than the tibia, a force strong enough to fracture the tibia often fractures the fibula as well. Types include:
Transverse comminuted fracture of the fibula above the level of the syndesmosis; Pronation-External rotation: Medial malleolus transverse fracture or disruption of deltoid ligament; Anterior tibiofibular ligament disruption; Lateral short oblique or spiral fracture of fibula (anterosuperior to posteroinferior) above the level of the joint
In terms of fracture type, isolated malleolar fractures are most common (two-thirds of fractures); bimalleolar fractures occur in roughly 25% of patients while trimalleolar fractures occur in 5-10%. [10] Open fractures are rare, compromising 2% of all ankle fractures. [21] In children, ankle fractures occur in about 1 per 1000 per year. [3]
An avulsion fracture of the head of the fibula refers to the fracture of the fibular head because of a sudden contraction of the biceps femoris muscle that pulls its site of attachment on the bone. The attachment of the biceps femoris tendon on the fibular head is closely related to the lateral collateral ligament of the knee. Therefore, this ...
A fractured fibula in addition to detaching the medial malleolus will tear the tibiofibular syndesmosis. [2] The combined fracture of the medial malleolus, lateral malleolus, and the posterior margin of the distal end of the tibia is known as a "trimalleolar fracture". [3] An example of Pott's fracture would be in a sports tackling injury.