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Joints and ligaments of the ...

Other Terms: Ligaments of the tibia and fibula


The tibia and fibular differ from the radius and ulna in the upper limb in having much less freedom of movement between the two bones. At the proximal end of the leg skeleton, the tibia and fibula form a synovial joint that has a very subtle range of motion. It is a plane joint that allows for some sliding rotational movement between the two bones. Two ligaments surround the proximal tibiofibular joint and stabilize the joint while limiting the range motion that occurs at the joint surface. As in the antebrachium, an interosseous membrane courses the entire length of the tibial and fibular shafts and unites the two bones and increases the surface area for muscle attachment. The distal tibiofibular joint is a syndesmosis that is joined together by the anterior tibiofibular ligament and the posterior tibiofibular ligament.


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