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
Joint Working Group between the Roman Catholic Church and the World Council of Churches its reports, and the implementation of its recommendations. Joint Working Group between the Roman Catholic Church and the World Council of Churches The Joint Working Group between the Roman Catholic Church and the World Council of Churches (JWG) is an ecumenical organization working to improve ties between the Catholic Church and its separate brethren, mainly consisting of Eastern Orthodox and Protestant Christians. In 1951, ecumenical pioneer Johannes Willebrands helped organize the Catholic Conference on Ecumenical Questions, which was in contact with the World Council of Churches. The first Joint Working Group meeting occurred in 1965 at the ecumenical institute of