The tibia is the larger, weight-bearing bone of the leg, characterized by a proximal plateau that articulates superiorly with the femoral condyles and inferiorly, via the distal tibia, with the talus at the ankle joint. Its shaft is triangular in cross-section, defined by anterior, medial, and lateral (interosseous) surfaces and borders, with the interosseous border providing attachment for the interosseous membrane connecting it to the fibula. Key osseous landmarks — the intercondylar eminence with its tubercles, the tibial tuberosity, the soleal line, the fibular notch, and the medial malleolus — define its articulations and muscular attachments within the skeletal anatomy of the lower limb.
The tibia is the larger, weight-bearing bone of the leg, characterized by a proximal plateau that articulates superiorly with the femoral condyles and inferiorly, via the distal tibia, with the talus…