The knee joint is a hinge joint located between the thigh bone (femur) and the shin bone (tibia) that plays a critical role in our ability to walk, run, and jump. It is one of the largest and most complex joints in the human body and is essential for a wide range of movements and activities.The knee joint consists of three main bones: the femur, tibia, and patella (also called as ‘knee cap’). It is held together and stabilized by several key structures, including ligaments, tendons, and muscles.