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Shin bones
Last reviewed: 23.04.2024
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The bones of the lower leg. The lower leg has two bones. The tibia is medially located , laterally - the fibula. Each bone has a body and two ends. The ends of the bones are thickened and bear the surfaces for the connection with the femur at the top (tibia) and with the bones of the foot underneath. Between the bones is the interosseous space of the shank (spatium interosseum cruris).
The shin bones are connected with the help of the interclavicular joint, as well as continuous fibrous joints - intercellular syndesmosis and the interosseous membrane of the shin.
The tibial joint (art. Tibiofibularis) is formed by the articulation of the peroneal fibular surface of the tibia and the joint surface of the fibular head. The joint surfaces are flat. The joint capsule is tightly taut, front reinforced with anterior and posterior ligament of the head of the fibula (ligg. Cipitis fibulae anterius et posterius).
Interdigital syndesmosis (syndesmosis tibiofibularis) is a fibrous continuous connection between the peroneal incision of the pubescence and the articular surface of the base of the lateral ankle of the fibula. The anterior and posterior intercostal syndesmosis is strengthened by the anterior and posterior intercellular ligaments (ligg. Tibiofibularia anterius and posterius). Sometimes the capsule of the ankle is protruded into the thickness of the syndesmosis (the so-called intercostal joint).
The interosseous membrane of the leg (membrana interossea cruris) is a continuous joint in the form of a strong connective tissue membrane stretched between the interosseous edges of the tibia and fibula.
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