Flexion of the hip joint occurs when the femur (upper leg) moves forwards, which happens when long jumpers land or at the end of kick in football. Extension of the shoulder occurs when the humerus ...

Hinge joint. Articulating bones are femur and tibia (the patella is not classed as part of the joint, nor is the fibula). Allows bending (flexion) and straightening (extension). Muscles which move ...

One of the best things you can do to offset bone loss is weight bearing exercise ... then what you would do is lower the weight. The leg extension strengthen the front of the thighs.The leg ...