Tibia
long bone of the lower leg
The tibia, also known as the shinbone, or shankbone, is the larger and stronger of the two bones in the leg below the knee in vertebrates. It connects the knee with the ankle bones and is parallel to the fibula. Additionally it is the second largest bone in the body as its supports a significantly large portion of the human bodyweight. The tibia is essential to everyday movement such as standing and walking as well as jumping and running.The tibia or shinbone is usually of same size in both boys and girls prior to puberty. And in the adolescent ages tibia is longer in boys and men than in the girls and women.