Anatomical Structure of the Knee
Knee joint is formed by three bones thigh bone (called femur), shine bone (called tibia) and knee cap (platella). Three bones are covered by articular cartilage. Meniscus, a cushion like tissue located between femur and tibia, act as a shock absorber. Entire knee joint is covered by synovial membrane. Synovial membrane secretes synovial fluid, it lubricates the knee joint.