The term FOOT-LEG JOINT is referring to the ANKLE joint, which is a synovial joint that connects the foot and leg. It is a hinge joint that allows for movement in the sagittal plane, allowing for dorsiflexion and plantarflexion. The ANKLE joint is composed of three bones: the tibia, fibula, and talus. The ANKLE joint is stabilized by several ligaments, including the anterior talofibular ligament, posterior talofibular ligament, and calcaneofibular ligament. The ANKLE joint is important for balance and stability when walking, running, and jumping.