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 the knee are ...

Sixty-nine-year-old Mary Anne Laporte was diagnosed with knee arthritis 15 years ago. For years, she kept the pain under control with steroid injections and physical therapy, but when she began to ...

Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee flexes ... Flexion of the hip joint occurs ...