an elderly woman holds on to the knee joint on her leg. pain and inflammation in the knee, diseases deforming arthrosis

arthrosis background bursitis cartilage chondromatosis closeup contagion deformation dislocation edema elbow elderly gap gonarthrosis grease gristle hand hyaline infection inflammation injury knee kneecap leg ligaments medic medical medicinal meniscus muscles oedema old osteoarthritis pain patella pathology periarthritis rupture synovitis tendonitis tendons trauma white