Popliteus muscle assists in flexing the leg upon the thigh; when the leg is flexed, it will rotate the tibia inward. It is especially called into action at the beginning of the act of bending the knee, inasmuch as it produces the slight inward rotation of the tibia, which is essential in the early stage of this movement. When the knee is in full extension, the femur slightly medially rotates on the tibia to lock the knee joint in place. Popliteus is often referred to as the "Key" to unlocking the knee since it begins knee flexion by laterally rotating the femur
Tibia (video game) "Tibia". Once a character has reached level 8 it can leave Rookgaard, through the Island of Destiny, for the mainland. Once a character leaves Rookgaard it can never return, unless it is lowered to level 5. If this happens characters are completely reset. After the summer update of 2008 two new areas were added to Rookgaard, a tutorial island, and a vocation island. When Tibia was released in 1997, there was only one city and that one city was called "Tibia". Since the addition of other cities, the city of "Tibia" was renamed "Thais", and the name "Tibia" has since