tibia /tib′ē·ə/ [L, shin bone] , the second longest bone of the skeleton, located at the anteromedial side of the leg. It articulates with the fibula laterally, the talus distally, and the femur proximally, forming part of the knee joint. It provides insertion for the quadriceps femoris group of muscles via the patellar ligament and attaches to various muscles, including the popliteus and the flexor digitorum longus. Also called shin bone.
