A 3D reconstruction of the lower leg focusing on the tibia and fibula, whether for the right, left, or both, offers a precise depiction of the skeletal framework between the knee and ankle. The tibia, the larger and more medial of the two bones, is showcased with its robust, triangular shaft designed to bear the majority of the body’s weight. Its proximal end features a broad plateau with medial and lateral condyles that articulate with the femur at the knee joint, while the tibial tuberosity anteriorly serves as an attachment for the patellar ligament. Distally, the tibia tapers into the medial malleolus, a bony prominence that forms the inner part of the ankle, stabilizing its articulation with the talus. Running parallel, the fibula, a thinner and more lateral bone, is illustrated with its small, rounded head near the knee, articulating with the tibia via the proximal tibiofibular joint, and its long, slender shaft providing structural support and muscle attachment sites. The fibula’s distal end forms the lateral malleolus, a flared projection that reinforces the ankle’s lateral stability. The interosseous membrane, a thin fibrous sheet connecting the tibia and fibula, is visible, highlighting their synergy in load distribution and movement. This reconstruction emphasizes the bones’ cortical thickness and trabecular patterns, with minimal soft tissue overlay, offering a clear view of their alignment and articulations. The tibia-fibula complex’s role in weight-bearing, locomotion, and ankle stability is underscored, making this 3D model essential for studying fractures, malalignments, or surgical planning in the lower leg.

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