Fibula

alt=3D Medical Animation still shot of Fibula structure|thumb|260x260px|3D medical animation still shot of fibula structure The fibula (: fibulae or fibulas) or calf bone is a leg bone on the lateral side of the tibia, to which it is connected above and below. It is the smaller of the two bones and, in proportion to its length, the most slender of all the long bones. Its upper extremity is small, placed toward the back of the head of the tibia, below the knee joint and excluded from the formation of this joint. Its lower extremity inclines a little forward, so as to be on a plane anterior to t

A malleolus is the bony prominence on each side of the human ankle.

traumatic or pathological injury to the tibia in which the bone is broken